Head to Head
| ITF W100 Cary | 2024/08/14 17:30 | Kayla Day v Renata Zarazua | 4-6,5-7 |
| ITF W100 Granby | 2023/07/17 21:05 | Renata Zarazua v Kayla Day | 4-6,4-6 |
Home History
| US Open Women | 2025/08/25 15:30 | Madison Keys v Renata Zarazua | 7-6,6-7,5-7 |
| WTA Monterrey | 2025/08/20 01:30 | Renata Zarazua v Ajla Tomljanovic | 6-4,3-6,6-7 |
| WTA Cincinnati | 2025/08/09 20:30 | Elena Rybakina v Renata Zarazua | 4-6,6-0,7-5 |
| WTA Cincinnati | 2025/08/07 18:15 | Renata Zarazua v Yulia Putintseva | 3-6,6-4,6-2 |
| WTA Montreal | 2025/07/30 17:35 | Renata Zarazua v Jelena Ostapenko | 2-6,6-4,2-6 |
| WTA Montreal | 2025/07/28 20:25 | Katie Boulter v Renata Zarazua | 1-6,5-7 |
| Wimbledon Women | 2025/07/02 15:30 | Renata Zarazua v Amanda Anisimova | 4-6,3-6 |
| Wimbledon Women | 2025/06/30 15:35 | Yanina Wickmayer v Renata Zarazua | 0-6,3-6 |
Away History
| US Open Women | 2025/08/18 18:20 | Kayla Day v Ena Shibahara | 5-7,1-6 |
| ITF W35 Southaven | 2025/08/10 15:30 | Ana Sofia Sanchez v Kayla Day | 4-6,1-6 |
| ITF W35 Southaven | 2025/08/09 16:00 | Kayla Day v Malaika Rapolu | 6-4,6-3 |
| ITF W35 Southaven | 2025/08/08 15:00 | Kayla Day v Xiaodi You | 6-2,6-7,6-1 |
| ITF W35 Southaven | 2025/08/07 15:00 | Kayla Day v Ashley Lahey | 7-6,6-1 |
| ITF W35 Southaven | 2025/08/06 16:30 | Madison Sieg v Kayla Day | 0-6,6-7 |
| ITF W75 Lexington | 2025/08/01 22:00 | Fiona Crawley v Kayla Day | 6-4,6-2 |
| ITF W75 Lexington | 2025/07/31 14:00 | Kayla Day v Himeno Sakatsume | 6-4,7-6 |