Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| UTR Pro Tennis Series Dallas Women | 2021/07/11 13:00 | Marcela Zacarias v Catherine Harrison | 7-6,5-1 |
| ITF Women Orlando | 2017/01/14 23:00 | Catherine Harrison v Marcela Zacarias | 6-0,5-7,5-7 |
| ITF W80 Tyler | 2021/10/30 17:00 | Marcela Zacarias v Misaki Doi | 5-7,0-6 |
| ITF W80 Tyler | 2021/10/29 19:15 | Madison Brengle v Marcela Zacarias | 4-6,3-6 |
| ITF W80 Tyler | 2021/10/28 20:40 | Whitney Osuigwe v Marcela Zacarias | 3-6,6-1,5-7 |
| ITF W80 Tyler | 2021/10/27 22:45 | Marcela Zacarias v Xiyu Wang | 6-4,7-5 |
| UTR Pro Tennis Series California Women | 2021/10/24 15:00 | Marcela Zacarias v Rebecca Lynn | 6-1,6-1 |
| UTR Pro Tennis Series California Women | 2021/10/23 23:30 | Marcela Zacarias v Aspen Schuman | 6-2,5-1 |
| UTR Pro Tennis Series California Women | 2021/10/21 18:00 | Marcela Zacarias v Nazari Urbina | 6-0,5-1 |
| UTR Pro Tennis Series California Women | 2021/10/20 18:00 | Marcela Zacarias v Maren Urata | 6-1,6-1 |
| WTA Midland | 2021/11/01 16:20 | Catherine Harrison v Aldila Sutjiadi | 7-6,6-3 |
| WTA Midland | 2021/10/31 18:35 | Catherine Harrison v Alexandra Riley | 6-0,6-0 |
| ITF W80 Tyler | 2021/10/28 15:55 | Caty McNally v Catherine Harrison | 7-5,6-3 |
| ITF W80 Tyler | 2021/10/27 21:10 | Catherine Harrison v Alana Smith | 6-4,6-2 |
| ITF W80 Macon | 2021/10/22 15:00 | Catherine Harrison v Xiyu Wang | 4-6,6-3,6-7 |
| ITF W80 Macon | 2021/10/21 15:30 | Catherine Harrison v Caroline Dolehide | 7-5,6-1 |
| ITF W25 Redding | 2021/10/10 20:00 | Catherine Harrison v Dalila Jakupovic | 6-1,6-1 |
| ITF W25 Redding | 2021/10/09 20:00 | Catherine Harrison v Katie Swan | 3-6,6-4,7-5 |