Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| 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 - Damer | 2023/07/02 13:00 | Victoria Hu v Katja Wiersholm | 6-3,6-2 |
| UTR Pro - Florida - Damer | 2023/07/01 16:06 | Csilla Fodor v Katja Wiersholm | 6-2,2-6,2-6 |
| UTR Pro - Florida - Damer | 2023/06/29 16:26 | Kate Sharabura v Katja Wiersholm | 3-6,6-7 |
| UTR Pro - Florida - Damer | 2023/06/26 21:26 | Amber McGinnis v Katja Wiersholm | 0-6,0-6 |
| UTR Pro - Florida - Damer | 2023/06/25 21:41 | Katja Wiersholm v Sankavi Gownder | 6-1,6-3 |
| WTA San Diego | 2023/09/09 22:35 | Claire Liu v Alyssa Ahn | 4-6,6-1,6-2 |
| UTR Pro - San Diego - Damer | 2023/07/30 16:30 | Tanvi Narendran v Alyssa Ahn | 1-6,1-6 |
| UTR Pro - San Diego - Damer | 2023/07/29 23:30 | Rachel Lee v Alyssa Ahn | 4-6,2-6 |
| UTR Pro - San Diego - Damer | 2023/07/27 22:30 | Alyssa Ahn v Midori Castillo Meza | 6-0,6-7,7-5 |
| UTR Pro - San Diego - Damer | 2023/07/26 22:30 | Alyssa Ahn v Mia Horvit | 0-6,6-7 |
| UTR Pro - San Diego - Damer | 2023/07/25 23:30 | Alyssa Ahn v Kaila Barksdale | 3-6,6-7 |
| UTR Pro - San Diego - Damer | 2023/07/24 22:30 | Alyssa Ahn v Caroline Driscoll | 6-4,6-3 |
| ITF W15 - Lakewood | 2023/07/13 16:50 | Malkia Ngounoue v Alyssa Ahn | 6-3,6-1 |