[53] Katerina Siniakova 4-6,2-6 Maria Sakkari [18] 2021-09-02 16:00
Stadium: Grandstand Round: 24 Ground: Hardcourt outdoor
Head to Head
| French Open Women | 2019/05/30 09:00 | Katerina Siniakova v Maria Sakkari | 7-6,6-7,6-3 |
| Australian Open Women | 2018/01/15 02:25 | Maria Sakkari v Katerina Siniakova | 2-6,7-6,4-6 |
| Wimbledon Women | 2017/07/03 14:45 | Katerina Siniakova v Maria Sakkari | 3-6,4-6 |
Home History
| US Open Women | 2021/08/31 15:00 | Anastasija Sevastova v Katerina Siniakova | 6-7,3-6 |
| WTA Cleveland | 2021/08/26 22:00 | Katerina Siniakova v Anett Kontaveit | 3-6,7-5,2-6 |
| WTA Cleveland | 2021/08/25 15:30 | Katerina Siniakova v Nagi Hanatani | 6-0,6-0 |
| WTA Cleveland | 2021/08/23 23:50 | Shelby Rogers v Katerina Siniakova | 5-7,1-6 |
| WTA Montreal | 2021/08/12 16:00 | Sara Sorribes Tormo v Katerina Siniakova | 6-7,6-0,6-3 |
| WTA Montreal | 2021/08/10 16:25 | Katerina Siniakova v Garbine Muguruza | 6-2,0-6,6-3 |
| WTA Montreal | 2021/08/09 15:00 | Jelena Ostapenko v Katerina Siniakova | 1-6,3-6 |
| WTA Prague | 2021/07/16 12:35 | Katerina Siniakova v Barbora Krejcikova | 3-6,0-6 |
Away History
| US Open Women | 2021/08/31 15:00 | Marta Kostyuk v Maria Sakkari | 4-6,3-6 |
| WTA Cincinnati | 2021/08/17 03:00 | Maria Sakkari v Angelique Kerber | 2-6,2-6 |
| WTA Montreal | 2021/08/12 16:15 | Maria Sakkari v Victoria Azarenka | 4-6,6-3,6-7 |
| WTA Montreal | 2021/08/11 15:00 | Maria Sakkari v Veronika Kudermetova | 6-4,5-7,6-4 |
| Olympics 2020 - Women | 2021/07/27 05:05 | Maria Sakkari v Elina Svitolina | 7-5,3-6,4-6 |
| Olympics 2020 - Women | 2021/07/26 02:00 | Maria Sakkari v Nina Stojanovic | 6-1,6-2 |
| Olympics 2020 - Women | 2021/07/24 03:30 | Maria Sakkari v Anett Kontaveit | 7-5,6-2 |
| Wimbledon Women | 2021/06/30 18:35 | Maria Sakkari v Shelby Rogers | 5-7,4-6 |