[19] Caroline Wozniacki 7-5,6-4 Marcel Fortuna [47] 2019-09-21 22:30
Stadium: Capital Group Diamond Round: 26 Ground: Hardcourt outdoor
Head to Head
| WTA Beijing | 2018/10/05 08:50 | Katerina Siniakova v Caroline Wozniacki | 2-6,2-6 |
| WTA Bastad | 2017/07/30 14:45 | Caroline Wozniacki v Katerina Siniakova | 3-6,4-6 |
| WTA Indian Wells | 2017/03/14 02:45 | Katerina Siniakova v Caroline Wozniacki | 3-6,1-6 |
| WTA Wuhan | 2016/09/27 09:30 | Caroline Wozniacki v Katerina Siniakova | 6-4,6-4 |
Home History
| US Open Women | 2019/08/31 16:00 | Caroline Wozniacki v Bianca Andreescu | 4-6,4-6 |
| US Open Women | 2019/08/29 23:00 | Caroline Wozniacki v Danielle Rose Collins | 4-6,6-3,6-4 |
| US Open Women | 2019/08/27 19:45 | Caroline Wozniacki v Yafan Wang | 1-6,7-5,6-3 |
| WTA Cincinnati | 2019/08/13 00:35 | Dayana Yastremska v Caroline Wozniacki | 6-4,6-4 |
| WTA Toronto | 2019/08/08 00:55 | Caroline Wozniacki v Iga Swiatek | 6-1,3-6,4-6 |
| WTA Toronto | 2019/08/05 18:00 | Caroline Wozniacki v Yulia Putintseva | 6-4,6-2 |
| Wimbledon Women | 2019/07/05 10:00 | Caroline Wozniacki v Shuai Zhang | 4-6,2-6 |
| Wimbledon Women | 2019/07/03 16:40 | Caroline Wozniacki v Veronika Kudermetova | 7-6,6-3 |
Away History
| WTA Guangzhou | 2019/09/18 08:55 | Katerina Siniakova v Viktorija Golubic | 6-4,5-7,0-6 |
| US Open Women | 2019/08/27 23:00 | Sorana Cirstea v Katerina Siniakova | 7-5,6-2 |
| WTA New York | 2019/08/23 17:00 | Magda Linette v Katerina Siniakova | 7-6,6-2 |
| WTA New York | 2019/08/22 15:00 | Katerina Siniakova v Bernarda Pera | 4-6,7-6,6-3 |
| WTA New York | 2019/08/19 14:00 | Katerina Siniakova v Yafan Wang | 6-3,6-2 |
| WTA Cincinnati | 2019/08/13 15:00 | Katerina Siniakova v Donna Vekic | 4-6,3-6 |
| WTA Toronto | 2019/08/07 17:10 | Katerina Siniakova v Elina Svitolina | 3-6,6-3,3-6 |
| WTA Toronto | 2019/08/06 15:00 | Danielle Rose Collins v Katerina Siniakova | 6-4,6-7,2-6 |