Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| US Open - Feminin | 2023/08/24 14:00 | Laura Siegemund v Simona Waltert | 6-2,7-6 |
| US Open - Feminin | 2023/08/22 19:50 | Mona Barthel v Simona Waltert | 2-6,4-6 |
| WTA - Barranquilla | 2023/08/14 20:55 | Sabine Lisicki v Simona Waltert | 7-5,7-6 |
| ITF - W100 Landisville | 2023/08/09 21:35 | Simona Waltert v Mary Stoiana | 3-6,3-6 |
| WTA - Lausanne | 2023/07/26 12:30 | Ana Bogdan v Simona Waltert | 2-6,6-3,6-3 |
| WTA - Iasi | 2023/07/21 13:00 | Simona Waltert v Ana Bogdan | 0-6,4-6 |
| WTA - Iasi | 2023/07/19 15:00 | Simona Waltert v Petra Marcinko | 7-6,6-3 |
| WTA - Iasi | 2023/07/17 14:55 | Simona Waltert v Carol Zhao | 6-4,6-2 |
| ITF - W25 Valladolid | 2023/08/29 14:55 | Nahia Berecoechea v Sarah Beth Grey | 3-6,3-6 |
| ITF - W25 Vigo | 2023/08/21 11:20 | Nahia Berecoechea v Bianca Jolie Fernandez | 6-7,2-6 |
| ITF - W25 Vigo | 2023/08/20 14:00 | Nahia Berecoechea v Carolina Gomez | 6-2,6-4 |
| ITF - W25 Ourense | 2023/08/16 09:45 | Nahia Berecoechea v Nefisa Berberovic | 1-6,4-6 |
| ITF - W60 Barcelona | 2023/08/02 17:30 | Nahia Berecoechea v Despina Papamichail | 3-6,3-6 |
| ITF - W60 Barcelona | 2023/07/31 08:00 | Momoko Kobori v Nahia Berecoechea | 3-6,6-7 |
| ITF - W60 Barcelona | 2023/07/30 08:00 | Rinko Matsuda v Nahia Berecoechea | 2-6,3-6 |
| ITF - W100 Vitoria-Gasteiz | 2023/07/20 08:50 | Nahia Berecoechea v Jessika Ponchet | 6-7,2-6 |