WTA Beijing 09/30 07:20 25 [47] Katerina Siniakova v Jelena Ostapenko [73] 6-2,6-1
WTA Beijing 09/28 06:10 24 [41] Katerina Siniakova v Xiyu Wang [136] 6-2,6-2
WTA Wuhan 09/23 08:55 24 [41] Katerina Siniakova v Elise Mertens [24] 4-6,0-6
WTA Guangzhou 09/18 08:55 26 [38] Katerina Siniakova v Viktorija Golubic [73] 6-4,5-7,0-6
WTA Guangzhou 09/17 09:15 25 [38] Katerina Siniakova v Elena Rybakina [49] Retired
US Open - Kvinner 08/27 23:00 23 [106] Sorana Cirstea v Katerina Siniakova [37] 7-5,6-2
WTA New York 08/23 17:00 28 [80] Magda Linette v Katerina Siniakova [38] 7-6,6-2
WTA New York 08/22 15:00 27 [38] Katerina Siniakova v Bernarda Pera [69] 4-6,7-6,6-3
WTA New York 08/20 21:25 26 [38] Katerina Siniakova v Anastasia Potapova [76] Retired
WTA New York 08/19 14:00 25 [38] Katerina Siniakova v Yafan Wang [50] 6-3,6-2
WTA Cincinnati 08/13 15:00 24 [38] Katerina Siniakova v Donna Vekic [26] 4-6,3-6
WTA Toronto 08/07 17:10 25 [41] Katerina Siniakova v Elina Svitolina [7] 3-6,6-3,3-6
WTA Toronto 08/06 15:00 24 [36] Danielle Collins v Katerina Siniakova [41] 6-4,6-7,2-6
WTA Washington 07/30 00:35 25 [41] Katerina Siniakova v Jessica Pegula [79] 4-6,3-6
WTA Jurmala 07/22 16:10 25 [41] Katerina Siniakova v Anhelina Kalinina [139] 6-4,4-6,1-6
Wimbledon - Kvinner 07/04 14:05 24 [38] Katerina Siniakova v Johanna Konta [18] 3-6,4-6
Wimbledon - Kvinner 07/02 10:00 23 [45] Ekaterina Alexandrova v Katerina Siniakova [38] 6-2,1-6,1-6
WTA Eastbourne 06/23 12:50 24 [62] Margarita Gasparyan v Katerina Siniakova [38] 6-3,6-3
WTA Mallorca 06/17 12:40 25 [38] Katerina Siniakova v Alison Van Uytvanck [57] 2-6,6-3,3-6
French Open - Kvinner 06/03 09:00 26 [42] Katerina Siniakova v Madison Keys [14] 2-6,4-6
French Open - Kvinner 06/01 12:25 25 [1] Naomi Osaka v Katerina Siniakova [42] 4-6,2-6
French Open - Kvinner 05/30 09:00 24 [42] Katerina Siniakova v Maria Sakkari [30] 7-6,6-7,6-3
French Open - Kvinner 05/28 16:25 23 [141] Elena Rybakina v Katerina Siniakova [42] 6-7,1-6
WTA Nurnberg 05/24 13:45 28 [68] Tamara Zidansek v Katerina Siniakova [43] 7-6,6-2
WTA Nurnberg 05/23 14:45 27 [97] Madison Brengle v Katerina Siniakova [43] 6-1,4-6,0-6
WTA Nurnberg 05/22 15:10 26 [111] Johanna Larsson v Katerina Siniakova [43] 6-4,0-6,3-6
WTA Nurnberg 05/22 08:30 25 [98] Mandy Minella v Katerina Siniakova [43] 6-1,3-6,2-6
WTA Roma 05/16 11:00 25 [21] Daria Kasatkina v Katerina Siniakova [45] 2-6,6-4,6-1
WTA Roma 05/13 09:00 24 [45] Katerina Siniakova v Qiang Wang [17] 1-6,7-5,6-4
WTA Madrid 05/04 18:40 24 [7] Kiki Bertens v Katerina Siniakova [44] 6-3,6-2

Wikipedia - Kateřina Siniaková

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.