Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF W25 Waco | 2019/10/18 18:40 | Catherine Harrison v Katie Swan | 4-6,7-5,6-2 |
| ITF W25 Redding | 2021/10/08 21:30 | Victoria Duval v Catherine Harrison | 1-6,3-6 |
| ITF W25 Redding | 2021/10/07 18:25 | Ma, Connie v Catherine Harrison | 3-6,6-2,2-6 |
| ITF W25 Redding | 2021/10/06 19:55 | Catherine Harrison v Kyoka Okamura | 6-2,6-1 |
| WTA Chicago | 2021/09/25 19:35 | Catherine Harrison v Rebecca Marino | 6-3,3-6,2-6 |
| ITF W25 Fort Worth | 2021/09/23 17:15 | Alexandra Bozovic v Catherine Harrison | 7-6,7-6 |
| ITF W25 Fort Worth | 2021/09/21 17:20 | Jessie Aney v Catherine Harrison | 5-7,3-6 |
| WTA Cleveland | 2021/08/23 16:00 | Catherine Harrison v Caroline Garcia | 1-6,2-6 |
| WTA Cleveland | 2021/08/22 14:00 | Catherine Harrison v Moore, Tara | 6-4,5-7,6-1 |
| ITF W25 Redding | 2021/10/08 16:55 | Katie Swan v Yadlapalli, Pranjala | 6-4,7-6 |
| ITF W25 Redding | 2021/10/07 17:55 | Katie Swan v Alexandra Bozovic | 6-3,6-1 |
| ITF W25 Redding | 2021/10/06 19:15 | Katie Swan v Abdelouahid, Hind | 6-1,6-1 |
| ITF W60 San Bartolome De Tirajana | 2021/08/18 08:30 | Katie Swan v Seone Mendez | 2-6,3-6 |
| ITF W60 San Bartolome De Tirajana | 2021/08/11 10:35 | Guiomar Maristany Zuleta De Reales v Katie Swan | 6-3,6-3 |
| ITF W25 Lisbon | 2021/07/05 15:35 | Katie Swan v Ma, Shuyue | 6-0,6-3 |
| Wimbledon Women | 2021/06/28 14:30 | Katie Swan v Madison Keys | 3-6,4-6 |
| Wimbledon Women | 2021/06/25 10:30 | Katie Swan v Arina Rodionova | 6-0,6-4 |