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Kateřina Siniaková

Siniaková in 2023

Country (sports)

Czech Republic

Residence

Hradec Králové, Czech Republic

Born

10 May 1996 (age 29)
Hradec Králové, Czech Republic

Height

1.74 m (5 ft 9 in)

Plays

Right-handed (two-handed backhand)

Coach

Dmitri Siniakov

Prize money

US$12,629,881

Singles

Career record

366–263 (58.19%)

Career titles

Highest ranking

No. 27 (24 June 2024)

Current ranking

No. 46 (11 November 2024)

Grand Slam singles results

Australian Open

2R (2015, 2018, 2024)

French Open

4R (2019)

Wimbledon

3R (2016, 2018, 2021)

US Open

3R (2018)

Other tournaments

Olympic Games

1R (2024)

Doubles

Career record

360–149 (70.73%)

Career titles

Highest ranking

No. 1 (22 October 2018)

Current ranking

No. 1 (11 November 2024)

Grand Slam doubles results

W (2022, 2023)

W (2018, 2021, 2024)

W (2018, 2022, 2024)

W (2022)

Other doubles tournaments

Tour Finals

W (2021)

Olympic Games

W (2021)

Grand Slam mixed doubles results

2R (2017)

1R (2018, 2024)

2R (2016)

2R (2024)

Other mixed doubles tournaments

Olympic Games

W (2024)

Team competitions

Fed Cup

W (2018), record 10–8

Medal record

Olympic Games

Representing Czech Republic
Gold	2020 Tokyo	Women's doubles
Gold	2024 Paris	Mixed doubles

Kateřina Siniaková (born May 10, 1996) is a professional tennis player from the Czech Republic. She is currently ranked as the world No. 1 in doubles. She has also reached a high singles ranking of No. 27.

Kateřina is a nine-time Grand Slam champion in women's doubles. She won seven of these big titles with her longtime partner, Barbora Krejčíková. Together, they achieved a "career slam," meaning they won all four major Grand Slam tournaments. She also won two other major titles with different partners: Coco Gauff and Taylor Townsend. Kateřina first became world No. 1 in doubles in October 2018. She has held this top spot for a total of 115 weeks, which is one of the longest times ever. She has won 27 doubles titles on the WTA Tour, including the WTA Finals in 2021.

In singles, Kateřina has won five career titles. These include tournaments in Shenzhen and Sweden in 2017, Slovenia in 2022, and Bad Homburg and Jiangxi in 2023. Her best Grand Slam singles result was reaching the fourth round at the 2019 French Open. On her way, she beat the world No. 1 player, Naomi Osaka.

Kateřina was part of the Czech team that won the 2018 Fed Cup in 2018. She also won a gold medal in women's doubles at the 2020 Tokyo Olympics with Barbora Krejčíková. In 2024, she won another gold medal in mixed doubles at the Paris Olympics with Tomáš Macháč.

About Kateřina Siniaková

Kateřina Siniaková was born to Hana, her Czech mother who is an accountant, and Dmitry Siniakov, her Russian father who used to be a boxer and is also her coach. Her younger brother, Daniel, born in 2003, also plays professional tennis.

Kateřina's Tennis Journey

Junior Years and Early Success

Kateřina was a very talented junior player. In December 2012, she was ranked the world No. 2 junior tennis player. With her friend and fellow Czech player, Barbora Krejčíková, she won three major junior doubles titles in 2013. They won at the French Open, Wimbledon, and the US Open.

Starting Her Professional Career (2012–2014)

Kateřina began playing on the professional ITF Women's Circuit in June 2012. She quickly won her first doubles title there. In 2013, she made great progress, moving up hundreds of spots in the rankings. She won her first singles title in March 2013. Soon after, she played in her first WTA Tour event at the Miami Open.

Siniaková at the 2014 Open de Limoges, where she won the doubles title.

In 2014, Kateřina made her first appearance in a major tournament at the 2014 Australian Open. She won her first WTA Tour match at the İstanbul Cup. Later that year, she reached her first WTA doubles final and then won her first WTA doubles title at the Tashkent Open. This helped her enter the top 100 in doubles. She also reached the semifinals of a big tournament, the Kremlin Cup, which brought her into the top 100 in singles.

Climbing the Rankings (2015–2016)

At the 2015 Australian Open, Kateřina won her first singles match at a Grand Slam. She continued to do well in doubles, reaching the top 50 in the world. In 2016, she reached the semifinals of the French Open in doubles with Barbora Krejčíková. At Wimbledon, she made it to the third round in singles for the first time. She also reached two WTA singles finals in 2016, in Sweden and Japan. By the end of 2016, she was in the top 50 for singles.

Siniaková at Birmingham, 2016

First Singles Titles and Major Doubles Final (2017)

Kateřina had a fantastic start to 2017. She won her first WTA singles title at the Shenzhen Open. On her way to the title, she beat world No. 4, Simona Halep, which was her first win against a top-10 player. She then won her second singles title at the Swedish Open, beating world No. 6, Caroline Wozniacki, in the final.

In doubles, she also had great success. She reached the finals of big tournaments in Indian Wells and Charleston. At the US Open, she made it to her first major doubles final with Lucie Hradecká. She finished 2017 ranked No. 13 in doubles and No. 49 in singles.

Becoming World No. 1 in Doubles (2018)

Siniaková (left) and Krejčíková won the French and Wimbledon titles in 2018.

The year 2018 was huge for Kateřina in doubles. With her partner Barbora Krejčíková, she won two major titles: the French Open and Wimbledon. This was a massive achievement!

In October 2018, Kateřina officially became the world No. 1 in doubles, along with Krejčíková. She also helped the Czech Republic win the 2018 Fed Cup final, winning two important matches.

Continued Doubles Success (2019–2020)

Siniaková (right) after a match at the 2019 Prague Open.

In 2019, Kateřina continued to shine in doubles. She and Krejčíková won titles in Sydney and Canada. They also reached the quarterfinals of the Australian Open, meaning they had reached the quarterfinals at all four Grand Slams. In singles, she reached her first Grand Slam fourth round at the French Open, where she famously beat world No. 1, Naomi Osaka.

In 2020, she won another doubles title in Shenzhen. She and Krejčíková reached the semifinals of the Australian Open in doubles. Even with the challenges of the COVID-19 pandemic, she continued to perform well, reaching the semifinals of the French Open in doubles.

Grand Slam and Olympic Gold (2021)

Siniaková at the 2021 Bad Homburg Open.

The year 2021 was another amazing one for Kateřina and Barbora Krejčíková. They reached the doubles final at the Australian Open. Then, they won their second French Open doubles title. After this win, Kateřina became the world No. 2 in doubles, and Krejčíková became No. 1.

A huge highlight was winning the gold medal in women's doubles at the Tokyo Olympics. They finished the year by winning the WTA Finals, which is a tournament for the best doubles teams. Kateřina ended 2021 as the world No. 1 doubles player.

Career Golden Slam in Doubles (2022)

Kateřina started 2022 by winning the doubles title at the Melbourne Summer Set. As the top team, she and Krejčíková won their first Australian Open women's doubles title.

Later in the year, at Wimbledon, she won the doubles title for the second time with Krejčíková. At the US Open, they won the doubles title again, completing the "career Golden Slam." This means they won all four Grand Slams and the Olympic gold medal!

In singles, Kateřina won her third career title at the Portorož Open, beating the Wimbledon champion Elena Rybakina in the final.

More Titles and a New Chapter (2023)

Siniaková at the 2023 French Open.

Kateřina and Krejčíková continued their winning streak in 2023. They won the Australian Open women's doubles title for the second year in a row. They also won the Indian Wells Open doubles title.

In singles, Kateřina won her fourth title at the Bad Homburg Open. She then won her fifth WTA Tour singles title at the Jiangxi Open. In November, it was announced that Kateřina and Krejčíková would no longer play doubles together.

New Partners and Olympic Mixed Doubles Gold (2024)

In 2024, Kateřina started playing with new doubles partners. She won her fourth WTA 1000 title with Storm Hunter at the Dubai Championships.

At the French Open, with her new partner Coco Gauff, she won her third title at Roland Garros. She then reached her 11th Grand Slam doubles final at Wimbledon with Taylor Townsend, and they won the title.

Kateřina reunited with Barbora Krejčíková for the Prague Open and they won the title together. A major highlight of the year was winning the gold medal in mixed doubles at the Paris Olympics with Tomáš Macháč.

Kateřina secured the year-end No. 1 doubles ranking for the fourth time in her career in November.

Playing for Her Country

Siniaková (right) with Lucie Šafářová in a 2017 Fed Cup match against Spain.

Kateřina has proudly represented the Czech Republic many times. In 2017, she was chosen for the Fed Cup team for the first time. In 2018, she played a key role in helping the Czech Republic win the Fed Cup final against the USA.

At the 2020 Tokyo Olympics, Kateřina and Barbora Krejčíková won the gold medal in women's doubles. She also played for the Czech team in the 2020-21 Billie Jean King Cup Finals and the 2022 Billie Jean King Cup Finals. In 2022, she won a doubles match and a singles match against Coco Gauff, helping her team win.

Major Tournament Finals

Doubles: 12 (9 titles, 2 runner-ups, 1 pending)

Kateřina has played in many Grand Slam doubles finals, winning nine of them!

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2017	US Open	Hard	Lucie Hradecká	Chan Yung-jan Martina Hingis	3–6, 2–6
Win	2018	French Open	Clay	Barbora Krejčíková	Eri Hozumi Makoto Ninomiya	6–3, 6–3
Win	2018	Wimbledon	Grass	Barbora Krejčíková	Nicole Melichar Květa Peschke	6–4, 4–6, 6–0
Loss	2021	Australian Open	Hard	Barbora Krejčíková	Elise Mertens Aryna Sabalenka	2–6, 3–6
Win	2021	French Open (2)	Clay	Barbora Krejčíková	Bethanie Mattek-Sands Iga Świątek	6–4, 6–2
Win	2022	Australian Open	Hard	Barbora Krejčíková	Anna Danilina Beatriz Haddad Maia	6–7^(3–7), 6–4, 6–4
Win	2022	Wimbledon (2)	Grass	Barbora Krejčíková	Elise Mertens Zhang Shuai	6–2, 6–4
Win	2022	US Open	Hard	Barbora Krejčíková	Caty McNally Taylor Townsend	3–6, 7–5, 6–1
Win	2023	Australian Open (2)	Hard	Barbora Krejčíková	Shuko Aoyama Ena Shibahara	6–4, 6–3
Win	2024	French Open (3)	Clay	Coco Gauff	Sara Errani Jasmine Paolini	7–6^(7–5), 6–3
Win	2024	Wimbledon (3)	Grass	Taylor Townsend	Gabriela Dabrowski Erin Routliffe	7–6^(7–5), 7–6^(7–1)
Pending	2025	Australian Open	Hard	Taylor Townsend	Hsieh Su-wei Jeļena Ostapenko	TBD

Olympic Medal Matches

Women's Doubles: 1 (gold)

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

Mixed Doubles: 1 (gold)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Gold	2024	Summer Olympics, Paris	Clay	Tomáš Macháč	Wang Xinyu Zhang Zhizhen	6–2, 5–7, [10–8]

Year-End Championships

Doubles: 4 (1 title, 3 runner-ups)

These are tournaments for the best players at the end of the year.

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2018	WTA Finals, Singapore	Hard (i)	Barbora Krejčíková	Tímea Babos Kristina Mladenovic	4–6, 5–7
Win	2021	WTA Finals, Guadalajara	Hard	Barbora Krejčíková	Hsieh Su-wei Elise Mertens	6–3, 6–4
Loss	2022	WTA Finals, Fort Worth	Hard (i)	Barbora Krejčíková	Veronika Kudermetova Elise Mertens	2–6, 6–4, [9–11]
Loss	2024	WTA Finals, Riyadh	Hard (i)	Taylor Townsend	Erin Routliffe Gabriela Dabrowski	5–7, 3–6