WTA Nanchang | 10/21 09:00 | 28 | [60] Katerina Siniakova v Leylah Fernandez [43] | 7-5,6-4 | |
WTA Nanchang | 10/20 09:25 | 27 | Katerina Siniakova v Laura Siegemund | Walkover | |
WTA Nanchang | 10/20 03:00 | 26 | [45] Varvara Gracheva v Katerina Siniakova [60] | 4-6,3-6 | |
WTA Nanchang | 10/17 12:00 | 25 | Yuhan Wang v Katerina Siniakova | 3-6,3-6 | |
WTA Hongkong | 10/15 08:00 | 29 | [60] Leylah Fernandez v Katerina Siniakova [85] | 3-6,6-4,6-4 | |
WTA Hongkong | 10/14 08:00 | 28 | [42] Martina Trevisan v Katerina Siniakova [85] | 4-6,2-6 | |
WTA Hongkong | 10/13 11:55 | 27 | [85] Katerina Siniakova v Anastasia Pavlyuchenkova [61] | 7-6,6-4 | |
WTA Hongkong | 10/11 12:50 | 26 | [81] Kamilla Rakhimova v Katerina Siniakova [85] | 7-6,3-6,1-6 | |
WTA Hongkong | 10/10 07:00 | 25 | [58] Xiyu Wang v Katerina Siniakova [85] | 4-6,6-7 | |
WTA Peking | 10/01 04:30 | 24 | [248] Daria Saville v Katerina Siniakova [90] | 6-2,6-2 | |
WTA Ningbo | 09/28 14:15 | 27 | [90] Katerina Siniakova v Nadia Podoroska [87] | 1-6,1-6 | |
WTA Ningbo | 09/27 09:20 | 26 | [26] Sorana Cirstea v Katerina Siniakova [90] | 3-6,5-7 | |
WTA Ningbo | 09/26 12:00 | 25 | [90] Katerina Siniakova v Elizabeth Mandlik [142] | 6-0,6-4 | |
WTA San Diego | 09/09 17:00 | 14 | [49] Katerina Siniakova v Renata Zarazua [179] | 2-6,6-4,4-6 | |
USA lahtised meistrivõistlused - naised | 08/28 22:50 | 23 | [89] Anna Kalinskaya v Katerina Siniakova [49] | 6-4,6-2 | |
WTA Cleveland | 08/21 18:35 | 25 | [47] Katerina Siniakova v Sara Sorribes Tormo [95] | Retired | |
WTA Cincinnati | 08/15 20:20 | 24 | [10] Marketa Vondrousova v Katerina Siniakova [46] | 7-5,6-4 | |
WTA Montreal | 08/08 15:00 | 24 | [18] Liudmila Samsonova v Katerina Siniakova [46] | 4-6,6-2,6-3 | |
WTA Varssavi | 07/25 15:30 | 25 | [36] Katerina Siniakova v Heather Watson [146] | 5-7,2-6 | |
Wimbledon - naised | 07/06 10:00 | 24 | [32] Katerina Siniakova v Lesia Tsurenko [60] | 4-6,1-6 | |
Wimbledon - naised | 07/03 17:15 | 23 | [25] Qinwen Zheng v Katerina Siniakova [32] | 3-6,5-7 | |
WTA Bad Homburg | 07/01 12:30 | 29 | [65] Lucia Bronzetti v Katerina Siniakova [52] | 2-6,6-7 | |
WTA Bad Homburg | 06/30 16:30 | 28 | [60] Emma Navarro v Katerina Siniakova [52] | 2-6,2-6 | |
WTA Bad Homburg | 06/30 12:30 | 27 | [52] Katerina Siniakova v Liudmila Samsonova [15] | 7-5,4-6,6-2 | |
WTA Bad Homburg | 06/28 10:00 | 26 | [52] Katerina Siniakova v Evgeniya Rodina [314] | 6-2,6-4 | |
WTA Bad Homburg | 06/26 15:20 | 25 | [41] Elisabetta Cocciaretto v Katerina Siniakova [52] | 3-6,4-6 | |
WTA Berliin | 06/20 16:55 | 25 | [54] Katerina Siniakova v Coco Gauff [7] | 3-6,4-6 | |
Prantsusmaa lahtised - naised | 05/29 14:10 | 23 | [69] Peyton Stearns v Katerina Siniakova [48] | 7-6,6-2 | |
WTA Miami | 03/21 18:15 | 23 | [46] Katerina Siniakova v Claire Liu [59] | Retired | |
WTA Indian Wells | 03/11 20:30 | 24 | [45] Katerina Siniakova v Beatriz Haddad Maia [13] | 7-5,6-7,3-6 |
Kateřina Siniaková (Czech pronunciation: [ˈkatɛr̝ɪna ˈsɪɲakovaː]; born 10 May 1996) is a Czech professional tennis player. She is a former world No. 1 in doubles.
Siniaková is a seven-time Grand Slam champion in women's doubles, partnering fellow Czech Barbora Krejčíková, having completed the career Super Slam in the discipline. The pairing also finished runners-up at the 2021 Australian Open, and Siniaková reached the final at the 2017 US Open with Lucie Hradecká. She became world No. 1 for the first time in October 2018, and has held the top ranking in doubles for a total of 115 weeks, the sixhth highest total since the beginning of the WTA rankings. Siniaková has won 24 doubles titles on the WTA Tour, including the 2021 WTA Finals and three at WTA 1000 level.
In singles, Siniaková reached her career-high ranking of world No. 31 in October 2018, and has won five WTA titles, at the Shenzhen Open and Swedish Open in 2017, the Slovenia Open in 2022, and the Bad Homburg Open and Jiangxi Open in 2023. Her best major result was at the 2019 French Open, upsetting world No. 1 and reigning US and Australian Open champion Naomi Osaka en route to the fourth round; she has also reached the third round at seven other major tournaments.
Siniaková was part of the Czech team which won the 2018 Fed Cup, and also won doubles gold at the 2020 Tokyo Olympics alongside Krejčíková.