Stadium: Court South 5 Round: 44 Ground: Hardcourt outdoor
| ITF - W25 Austin | 2023/11/13 18:00 | Yujia Huang v Katja Wiersholm | 6-7,2-6 |
| ITF - W25 Redding | 2023/10/04 17:00 | Hanna Chang v Katja Wiersholm | 6-0,6-3 |
| ITF - W25 Redding | 2023/10/03 19:50 | Katja Wiersholm v Alyssa Ahn | 6-3,6-2 |
| ITF - W25 Redding | 2023/10/02 17:00 | Martyna Ostrzygalo v Katja Wiersholm | 5-7,3-6 |
| ITF - W60 Templeton | 2023/09/25 18:15 | Alexandra Bozovic v Katja Wiersholm | 6-1,7-5 |
| ITF - W60 Berkeley | 2023/09/18 17:00 | Ganna Poznikhirenko v Katja Wiersholm | 6-3,6-7,6-4 |
| UTR Pro - Florida - Feminin | 2023/07/02 13:00 | Victoria Hu v Katja Wiersholm | 6-3,6-2 |
| UTR Pro - Florida - Feminin | 2023/07/01 16:06 | Csilla Fodor v Katja Wiersholm | 6-2,2-6,2-6 |
| ITF - W25 Austin | 2023/11/13 18:00 | Vivian Ovrootsky v Danielle Willson | 6-3,6-2 |
| UTR Pro - San Diego - Feminin | 2023/07/29 21:00 | Daria Smetannikov v Vivian Ovrootsky | 6-0,4-3 |
| UTR Pro - San Diego - Feminin | 2023/07/27 23:30 | Vivian Ovrootsky v Rachel Lee | 6-0,6-3 |
| UTR Pro - San Diego - Feminin | 2023/07/26 22:30 | Hind Abdelouahid v Vivian Ovrootsky | 1-6,1-6 |
| UTR Pro - San Diego - Feminin | 2023/07/26 00:59 | Angela Huang v Vivian Ovrootsky | 6-4,2-6,6-0 |
| UTR Pro - California - Feminin | 2023/07/23 18:30 | Vivian Ovrootsky v Britt Pursell | 6-4,6-1 |
| UTR Pro - California - Feminin | 2023/07/22 21:39 | Vivian Ovrootsky v Midori Castillo Meza | 6-3,6-3 |
| UTR Pro - California - Feminin | 2023/07/20 20:00 | Vivian Ovrootsky v Sloane Morra | 6-0,6-2 |