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Kateřina Siniaková
Siniakova WM19 (8) (48521752006).jpg
Siniaková at the 2019 Wimbledon Championships
Country  Czech Republic
Residence Hradec Králové, Czech Republic
Born 10 May 1996 (1996-05-10) (age 25)
Hradec Králové
Height 1.74 m
Plays Right-handed (two-handed backhand)
Prize money US$ 7,038,766
Official website
Career record 273–193 (58.58%)
Career titles 2
Highest ranking No. 31 (22 October 2018)
Current ranking No. 55 (9 August 2021)
Grand Slam Singles results
Australian Open 2R (2015, 2018)
French Open 4R (2019)
Wimbledon 3R (2016, 2018, 2021)
US Open 3R (2018)
Career record 227–116 (66.18%)
Career titles 11
Highest ranking No. 1 (22 October 2018)
Current ranking No. 6 (9 August 2021)
Grand Slam Doubles results
Australian Open F (2021)
French Open W (2018, 2021)
Wimbledon W (2018)
US Open F (2017)
Other Doubles tournaments
Championships F (2018)
Olympic Games Gold medal olympic.svg (2020)
Grand Slam Mixed Doubles results
Australian Open 2R (2017)
French Open 1R (2018)
Wimbledon 2R (2016)
Team Competitions
Fed Cup W (2018), record 5–5
Last updated on: 11 August 2021.

Kateřina Siniaková (born 10 May 1996) is a Czech professional tennis player who is a former world No. 1 in doubles.

She is a three-time Grand Slam champion, having won the 2018 French Open, 2018 Wimbledon Championships and 2021 French Open in women's doubles, alongside compatriot Barbora Krejčíková. Siniaková also finished runner-up in doubles at the 2017 US Open with Lucie Hradecká, and at the 2021 Australian Open and 2018 WTA Finals with Krejčíková. In singles, her best Grand Slam result was at the 2019 French Open, where she upset world No. 1 Naomi Osaka en route to the fourth round. She has also reached the third round at a further five Grand Slam events.

Siniaková became world No. 1 in doubles on 22 October 2018 and held the top ranking for the next 33 weeks. She has won 11 doubles titles on the WTA Tour, including 2 at WTA 1000 level. Siniaková reached her career-high singles ranking of world No. 31 in October 2018, and has won 2 WTA titles in singles, at the Shenzhen Open and Swedish Open in 2017. She was part of the Czech team which won the 2018 Fed Cup, and won an Olympic gold medal in women's doubles alongside Krejčíková at the 2020 Tokyo Olympics.

Personal life and background

Siniaková was born to a Czech mother Hana, an accountant, and Russian father Dmitry, a former boxer and her coach.

Junior career

She was ranked the world No. 2 junior tennis player in December 2012. With fellow Czech Barbora Krejčíková, she won the girls' doubles titles at the French Open, at Wimbledon and the US Open in 2013.

Professional career

2012–14: Debut, and first WTA doubles title

Siniakova et Voracova, Open de Limoges 2014 (cropped)
Siniaková at the 2014 Limoges, where she won the doubles title with Renata Voracova

She began playing on the ITF Women's Circuit in the Czech Republic in June 2012. There in a doubles competition, she won her first ITF title. She then made big progress in 2013. She started outside top 1000 in both singles and doubles, but finished year inside top 200 in singles and top 300 in doubles. In March 2013, she won her first ITF singles title at the $10K Frauenfeld, after defeating Kathinka von Deichmann in the three sets. Two weeks later, Siniaková made her debut on the WTA Tour in the qualifying draw of Miami Open. She passed qualifications after she defeated Mandy Minella and Alexa Glatch, but then lost a three-set encounter with Garbiñe Muguruza in the first round of the main draw. In November 2013, she reached her first major ITF final at the $75K Sharm El Sheikh in doubles event, but lost alongside Anna Morgina.

At the 2014 Australian Open she made her Grand Slam debut after passing qualifications, but then lost to Zarina Diyas in the first round of the main-draw. In July 2014, she won her first match on the WTA Tour at the Istanbul Cup after defeating Julia Glushko in the first round. Nearly after that, she reached her first WTA doubles final at the Silicon Valley Classic alongside Paula Kania, but they lost to Garbiñe Muguruza and Carla Suárez Navarro. She then went one step further, winning her first WTA doubles title at the Tashkent Open alongside Aleksandra Krunić. Right after that she debut in the top 100 in doubles. She then made big progress in singles in October 2014, when she reached semifinal of the Premier-level Kremlin Cup. In the semifinal match she lost to Anastasia Pavlyuchenkova. This helped her debut in the top 100 in singles and then week later she won $50K Nantes, after defeating Ons Jabeur. She then finished year with title at the 2014 Open de Limoges, alongside Renata Voráčová.

2015–16: Top 50 in both singles and doubles, progress

Siniakova BM16 (2) (27772835415)
Siniaková at Birmingham, 2016

At the Australian Open she made her first singles Grand Slam win, defeating Elena Vesnina in the first round. In the following round she lost to Irina-Camelia Begu. She then in March 2015, won her first WTA 1000 match at the Premier Mandatory-level Indian Wells Open, after defeating another russian player, Evgeniya Rodina. In May 2015, she made good performances, reaching singles semifinal and doubles title of the Prague Open. After the third-round loss at the French Open in doubles, the following week she reached the top 50. In June 2015, she reached the quarterfinal of the Premier-level Birmingham Classic. By the end of the year, she stand out more in doubles, reaching final of the Tashkent Open and semifinal of the Premier-level Kremlin Cup.

Siniakova started slow season of 2016, but then shined at the French Open, where she reached semifinal in doubles alongside Barbora Krejčíková. Then at 2016 Wimbledon, she done better in singles, reaching her first singles Grand Slam third round, after defeating Pauline Parmentier and 30th seed Caroline Garcia. She then was defeated by former world No. 2, Agnieszka Radwańska. Things then get even better. In July 2016, she reached her first singles WTA final at the Swedish Open in Båstad. In the final she lost to Laura Siegemund. She then reached doubles quarterfinal of the US Open, alongside Krejčíková. She followed this with another WTA final at the Japan Open in Tokyo, but lost to Christina McHale. In late October, after a first-round loss at the Kremlin Cup, she had her top-50 debut in singles.

2017: First WTA singles titles, US Open doubles final

2017 Fed Cup R1 - Czech Republic vs Spain PPP 0610 (32205137423) (cropped) (cropped)
Siniaková at the 2017 Fed Cup

Siniaková had a strong season start, winning her first WTA singles title at Shenzhen Open. Siniaková began the tournament by defeating Peng Shuai in the first round in two sets, followed with victory over world No. 4, Simona Halep in three sets, claiming her first win over a top-10 player. Her run continued by beating qualifier Nina Stojanović and world No. 9, Johanna Konta, in three sets. In the final, she defeated Alison Riske. She then struggled with results, not even reaching a quarterfinal until May 2017. However, during that period, she had success in doubles where she reached the final of the Premier-Mandatory Indian Wells Open and Premier-level Charleston Open. Then in May 2017, she reached the quarterfinal of the Prague Open in singles, as well as the final in doubles. She continued with good results in doubles, reaching the quarterfinals of the Premier Mandatory Madrid Open and Premier 5 Italian Open. She then reached doubles semifinal of the French Open for the second year-in-a-row, this time alongside Lucie Hradecká.

However, in singles, things still were not good until Swedish Open, where she reached her second final there. Unlike year before, when she lost, this time she succeeded in winning the title, after she defeated world No. 6 Caroline Wozniacki in the final. On her way to the title, she also defeated two top-20 players, Anastasija Sevastova and Caroline Garcia. She then continued struggling with results in singles, but made did make progress in doubles. At the US Open, she reached her first Grand Slam doubles final. Alongside Lucie Hradecká, they did not drop a singles set on their way to the final, but then lost to Latisha Chan and Martina Hingis. Later she reached the quarterfinal of the Premier-Mandatory China Open and semifinal of the Premier-level Kremlin Cup, both in doubles. As a result of that, she achieved No. 11 ranking in doubles and finished year as world No. 13 , while in singles she ended as world No. 49.

2018: World No. 1 in doubles, French Open and Wimbledon trophies in doubles

2018 Birmingham - Wednesday Katerina Siniakova & Barbora Krejcikova (42026367935)
Siniaková and Krejcikova won the French and Wimbledon titles in 2018.

Siniaková started year playing at the Shenzhen Open, where she reached final, but lost to Simona Halep. There she also defeated Maria Sharapova in the semifinals. She also played in the doubles final alongside Barbora Krejčíková, but they lost to Halep and Irina-Camelia Begu. She then lost to Elina Svitolina in the first round match at the Australian Open, and in doubles reached third round. Until June, in singles, she reached the quarterfinals at the Premier-level St. Petersburg Trophy right after Australian Open, and then in May, she reached quarterfinal of the Prague Open and semifinal of the Nuremberg Cup. During that period, things got better in doubles where she first reached the semifinals of the Premier 5 Qatar Open and then the final of the Premier Mandatory Miami Open.

Since June, she made a big step further in doubles. Alongside Barbora Krejčíková, she won two Grand Slam titles at the French Open and Wimbledon, while in singles at both tournaments, she reached third rounds. At US Open, she also reached third round in singles, but made into the semifinals in doubles, alongside Krejčíková. During the Asian hardcourt tour, Siniaková alsö improved her singles results. First, she reached quarterfinal of the Premier 5 Wuhan Open, where she also defeated world No. 4 Caroline Garcia and former No. 1, Garbiñe Muguruza. She followed this with another quarterfinal, but this time at the Premier Mandatory China Open, where she defeated world No. 11, Kiki Bertens, but later lost to world No. 2, Caroline Wozniacki. At the end of the year, she reached the final of the Tour Championships in doubles, alongside Krejčíková, but they lost to Tímea Babos and Kristina Mladenovic. On 22 October 2018, she made her then-highest singles ranking of place 31, while on the same day, she became world No. 1 in doubles, along with Krejčíková. She finished year with the same positions, in singles and in doubles.

2019–20: Struggle in singles & success in doubles

Barbora Strýcová (48260012092)
Siniaková after losing to Strycová (left) in the quarterfinals of the 2019 Prague Open

During the first four months of 2019, Siniaková did not make any significant result in singles, but in doubles done much better. She started year with the semifinal of the Premier-level Brisbane International, followed with title at the another Premier-level tournament, Sydney International. Then, at the Australian Open, alongside Krejčíková, she reached quarterfinal and completed quarterfinals at all four Grand Slam tournaments. She did not stop there, reaching quarterfinal of the Premier 5 Dubai Championships and soon after that the final of the Premier Mandatory Indian Wells Open. Then, on clay court, she started with better results in singles, first reaching quarterfinal of the Prague Open, followed by semifinal at Nuremberg. At the Madrid Open and Italian Open, she lost early in singles, but reached quarterfinal and semifinal, respectively, in doubles. Siniaková then made progress at the French Open, reaching her first Grand Slam singles round of 16, after defeating world No. 1, Naomi Osaka. She then lost to Madison Keys in the quarterfinal-match. The following month, she continued to struggle with results in singles, but reached semifinal of Wimbledon in doubles, alongside Krejčíková. In late August, she reached another WTA Tour singles semifinal at the Bronx Open. However, by the end of the year, she continued with struggle in singles again, but in doubles she won the Canadian Open and Linz Open. At the WTA Finals, alongside Krejčíková, she ended in the round-robin group, after winning one match and losing two others. She finished year as world No. 58 in singles and No. 7 in doubles, after spending whole year inside top 60 in singles and top 10 in doubles.

During the 2020 season, Siniaková continued to struggle with results in singles. Her first stand out when she defeated former world No. 1, Angelique Kerber, in the first round of the Premier 5 Italian Open, in straight sets. In the following round, she lost to Daria Kasatkina. After that, she reached quarterfinal of the Internationaux de Strasbourg and then third round of the French Open. In doubles, she had strong start, winning title at the Shenzhen Open in the opening week. She followed this with the strong performance at the Australian Open, where alongside Krejčíková, she reached semifinal with which she completed that stage at the all four Grand Slam tournaments. After four weeks, she reached semifinal of the Premier 5 Qatar Open. Then, after six months absence of the WTA Tour due to COVID-19 outbreak, Siniaková started slow with the semifinal of the Prague Open, first round of Cincinnati Open, second round at the US Open, but then reached the quarterfinals of the Italian Open and semifinal of the French Open. But the end of the year, she reached final of the Linz Open, alongside Lucie Hradecká. Despite being not constant, Siniaková spent the whole year inside top 70 in singles, while in doubles inside top 10. She finished the season as the world No. 64 in singles, and No. 8 in doubles.

2021: Second French Open doubles title, world No. 2 in doubles

Siniaková and Krejčíková made it to the doubles final at the Australian Open before losing to No. seeded pair and eventual champions Mertens/Sabalenka.

At the Mutua Madrid Open 2021, Siniaková and Krejčíková were seeded No. 2 but won the title, defeating Schuurs and Dabrowski in the final, their biggest title since Wimbledon 2018.

At the French Open in doubles, also seeded No. 2 with Krejčíková, she reached the final by defeating the Plíšková twins in an all Czech quarterfinal and Bernarda Pera & Magda Linette in the semifinal to reach her second French Open final. They beat Bethanie Mattek-Sands and Iga Świątek in straight sets to claim their second title at Roland Garros. As a result, Krejčíková and Siniaková reclaimed the No. 1 and No. 2 spots in the doubles rankings, respectively.

National representation

In February 2017, she was nominated to the Fed Cup team for the first time by the captain Petr Pála as she was the third best ranked woman Czech tennis player (considering Petra Kvitová's injury) after Karolína Plíšková and Barbora Strýcová. Anyway, the captain announced eventually that Siniaková will first of all collect experience.

Siniakova along with Barbora Krejcikova made history for Czech Republic as they won the gold medal in the women's tennis double at the 2020 Summer Olympics.

Career statistics

Grand Slam tournament performance timelines

(W) Won; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (F-S) silver or (SF-B) bronze Olympic medal; a (NMS) downgraded Masters Series/1000 tournament; (NH) not held. SR=strike rate (events won/competed)
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.


Tournament 2014 2015 2016 2017 2018 2019 2020 2021 SR W–L Win %
Australian Open 1R 2R 1R 1R 2R 1R 1R 1R 0 / 8 2–8 20%
French Open Q2 1R 1R 1R 3R 4R 3R 3R 0 / 7 9–7 56%
Wimbledon Q1 1R 3R 1R 3R 2R NH 3R 0 / 6 7–6 54%
US Open Q3 1R 2R 1R 3R 1R 1R 0 / 6 3–6 33%
Win–Loss 0–1 1–4 3–4 0–4 7–4 4–4 2–3 4–3 0 / 27 21–27 44%


Tournament 2014 2015 2016 2017 2018 2019 2020 2021 SR W–L Win%
Australian Open A 1R 1R 1R 3R QF SF F 0 / 7 14–7 67%
French Open A 3R SF SF W 1R SF W 2 / 7 26–5 84%
Wimbledon A 2R 1R 3R W SF NH QF 1 / 6 14–5 74%
US Open A 1R QF F SF 1R 2R 0 / 6 13–6 68%
Win–Loss 0–0 3–4 7–4 11–4 18–2 7–4 9–3 12–2 3 / 26 67–23 74%
Career statistics
Titles 1 1 0 0 2 3 1 4 Career total: 12
Finals 2 2 0 5 5 4 2 5 Career total: 25
Year-end ranking 86 58 35 13 1 7 8 $6,531,904

Grand Slam tournament finals

Doubles: 5 (3 titles, 2 runner-ups)

Result Year Tournament Surface Partner Opponents Score
Loss 2017 US Open Hard Czech Republic Lucie Hradecká Chinese Taipei Chan Yung-jan
Switzerland Martina Hingis
3–6, 2–6
Win 2018 French Open Clay Czech Republic Barbora Krejčíková Japan Eri Hozumi
Japan Makoto Ninomiya
6–3, 6–3
Win 2018 Wimbledon Grass Czech Republic Barbora Krejčíková United States Nicole Melichar
Czech Republic Květa Peschke
6–4, 4–6, 6–0
Loss 2021 Australian Open Hard Czech Republic Barbora Krejčíková Belgium Elise Mertens
Belarus Aryna Sabalenka
2–6, 3–6
Win 2021 French Open (2) Clay Czech Republic Barbora Krejčíková United States Bethanie Mattek-Sands
Poland Iga Świątek
6–4, 6–2

Olympic Finals

Doubles: 1 (1 gold medal)

Result Year Tournament Surface Partner Opponents Score
Gold 2021 Tokyo 2020 Hard Czech Republic Barbora Krejčíková Switzerland Belinda Bencic
Switzerland Viktorija Golubic
7–5, 6–1

Year-end championships finals

Doubles: 1 (1 runner-up)

Result Year Tournament Surface Partner Opponents Score
Loss 2018 WTA Finals, Singapore Hard (i) Czech Republic Barbora Krejčíková Hungary Tímea Babos
France Kristina Mladenovic
4–6, 5–7
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