Stadium: Match Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF - Granby W100 | 2023/07/16 17:15 | Martyna Ostrzygalo v Rhea Verma | 6-7,3-6 |
| ITF - Saskatoon W60 | 2023/07/10 19:10 | Martyna Ostrzygalo v McCartney Kessler | 6-3,0-6,0-6 |
| ITF - Huntsville W15 | 2023/05/24 17:00 | Adeline Flach v Martyna Ostrzygalo | 6-3,6-4 |
| ITF - Bethany Beach W25 | 2023/05/17 17:15 | Fanny Stollar v Martyna Ostrzygalo | 6-0,6-2 |
| ITF - Fredericton M25 | 2023/03/10 16:00 | Martyna Ostrzygalo v Viktoria Morvayova | 2-6,3-6 |
| ITF - Fredericton M25 | 2023/03/09 15:00 | Martyna Ostrzygalo v Alexia Jacobs | 6-2,6-1 |
| ITF - Fredericton M25 | 2023/03/08 16:25 | Miriam Bulgaru v Martyna Ostrzygalo | 3-6,4-6 |
| ITF - Fredericton M25 | 2023/03/06 17:50 | Martyna Ostrzygalo v Orly Ogilvy | 4-6,4-6 |
| ITF -Templeton W60 | 2023/09/25 18:15 | Alexandra Bozovic v Katja Wiersholm | 6-1,7-5 |
| ITF - Berkeley W60 | 2023/09/18 17:00 | Ganna Poznikhirenko v Katja Wiersholm | 6-3,6-7,6-4 |
| UTR Pro - Floryda - Kobiety | 2023/07/02 13:00 | Victoria Hu v Katja Wiersholm | 6-3,6-2 |
| UTR Pro - Floryda - Kobiety | 2023/07/01 16:06 | Csilla Fodor v Katja Wiersholm | 6-2,2-6,2-6 |
| UTR Pro - Floryda - Kobiety | 2023/06/29 16:26 | Kate Sharabura v Katja Wiersholm | 3-6,6-7 |
| UTR Pro - Floryda - Kobiety | 2023/06/26 21:26 | Amber McGinnis v Katja Wiersholm | 0-6,0-6 |
| UTR Pro - Floryda - Kobiety | 2023/06/25 21:41 | Katja Wiersholm v Sankavi Gownder | 6-1,6-3 |
| ITF - Santo Domingo W25 | 2023/06/21 15:15 | Katja Wiersholm v Karola Patricia Bejenaru | 6-4,6-0 |