Stadion: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF Damen - W60 - Berkeley | 2022/09/19 20:15 | Ganna Poznikhirenko v Katja Wiersholm | 4-6,6-2,1-10 |
| WTA - Cleveland | 2023/08/19 20:00 | Aliaksandra Sasnovich v Ganna Poznikhirenko | 6-4,6-2 |
| ITF Damen - W100 - Landisville | 2023/08/10 19:00 | Ganna Poznikhirenko v Madison Brengle | 5-7,1-6 |
| ITF Damen - W100 - Landisville | 2023/08/09 17:30 | Ganna Poznikhirenko v Moyuka Uchijima | 6-3,7-6 |
| ITF Damen - W100 - Landisville | 2023/08/08 14:00 | Ava Markham v Ganna Poznikhirenko | 4-6,5-7 |
| ITF Damen - W100 - Landisville | 2023/08/07 13:55 | Samantha Crawford v Ganna Poznikhirenko | 4-6,3-6 |
| ITF Damen - W60 Dallas | 2023/07/25 18:05 | Madison Sieg v Ganna Poznikhirenko | 6-0,6-3 |
| ITF Damen - W60 Dallas | 2023/07/24 19:10 | Ava Markham v Ganna Poznikhirenko | 4-6,4-6 |
| ITF Damen - W60 - Evansville | 2023/07/18 13:50 | Ganna Poznikhirenko v Varvara Lepchenko | 4-6,1-6 |
| UTR Pro - Florida - Frauen | 2023/07/02 13:00 | Victoria Hu v Katja Wiersholm | 6-3,6-2 |
| UTR Pro - Florida - Frauen | 2023/07/01 16:06 | Csilla Fodor v Katja Wiersholm | 6-2,2-6,2-6 |
| UTR Pro - Florida - Frauen | 2023/06/29 16:26 | Kate Sharabura v Katja Wiersholm | 3-6,6-7 |
| UTR Pro - Florida - Frauen | 2023/06/26 21:26 | Amber McGinnis v Katja Wiersholm | 0-6,0-6 |
| UTR Pro - Florida - Frauen | 2023/06/25 21:41 | Katja Wiersholm v Sankavi Gownder | 6-1,6-3 |
| ITF Frauen - W25 - Santo Domingo | 2023/06/21 15:15 | Katja Wiersholm v Karola Patricia Bejenaru | 6-4,6-0 |
| ITF Frauen - W25 - Santo Domingo | 2023/06/20 18:15 | Katja Wiersholm v Lucia De Santa Ana | 7-5,6-3 |
| ITF Frauen - W25 - Santo Domingo | 2023/06/19 17:50 | Matea Roki v Katja Wiersholm | 3-6,6-2,5-10 |