[240] Carol Zhao 4-6,6-1,6-1 Kayla Day [139] 2017-09-20 20:55
Round: 25 Ground: Hardcourt outdoor
Home History
| WTA Quebec City | 2017/09/12 18:55 | Alison Van Uytvanck v Carol Zhao | 4-6,6-2,7-6 |
| ITF Women Nanao | 2017/09/03 02:00 | Carol Zhao v Junri Namigata | 6-3,6-2 |
| ITF Women Nanao | 2017/09/02 02:00 | Carol Zhao v Miharu Imanishi | 5-7,6-3,6-2 |
| ITF Women Nanao | 2017/09/01 01:00 | Ayano Shimizu v Carol Zhao | 4-6,4-6 |
| ITF Women Nanao | 2017/08/31 01:00 | Aiko Yoshitomi v Carol Zhao | 0-6,2-6 |
| ITF Women Nanao | 2017/08/30 02:55 | Maria F Herazo Gonzalez v Carol Zhao | 4-6,2-6 |
| ITF Women Tsukuba | 2017/08/27 02:00 | Carol Zhao v Ling Zhang | 5-7,6-7 |
| ITF Women Tsukuba | 2017/08/26 01:00 | Carol Zhao v Yuuki Tanaka | 6-1,6-1 |
Away History
| US Open Women | 2017/08/30 17:50 | Shelby Rogers v Kayla Day | 6-2,4-6,6-4 |
| WTA New Haven Qual | 2017/08/18 21:35 | Kayla Day v Natalia Vikhlyantseva | 3-6,2-6 |
| WTA Cincinnati Qual | 2017/08/12 22:20 | Kayla Day v Varvara Lepchenko | 4-6,4-6 |
| WTA Stanford | 2017/08/03 02:00 | Garbine Muguruza v Kayla Day | 6-2,6-0 |
| WTA Stanford | 2017/07/31 18:30 | Misaki Doi v Kayla Day | 4-6,2-6 |
| ITF Women Sacramento | 2017/07/25 22:40 | Amanda Anisimova v Kayla Day | 6-3,7-5 |
| Wimbledon Women Qual | 2017/06/28 11:30 | Kayla Day v Bianca Andreescu | 3-6,3-6 |
| ITF Women Marseille | 2017/06/10 11:05 | Tatjana Maria v Kayla Day | 6-1,6-3 |