Stadion: Center Court Round: 54 Ground: Hardcourt outdoor
| ITF - W100 - Contrexeville | 2021/07/04 08:00 | Pauline Wuarin v Leolia Jeanjean | 0-6,0-6 |
| Swiss Tennis Masters - Damen | 2020/07/04 15:00 | Pauline Wuarin v Arlinda Rushiti | 3-6,2-6 |
| Swiss Tennis Masters - Damen | 2020/07/03 08:30 | Lulu Sun v Pauline Wuarin | 6-2,7-5 |
| ITF Damen - W25 - Antalya | 2020/03/01 07:00 | Pauline Wuarin v Ekaterina Shalimova | 6-7,3-6 |
| ITF Frauen - W15 - Antalya | 2020/02/25 10:00 | Pauline Wuarin v Anna Gabric | 2-6,6-2,6-10 |
| ITF Damen - W25 - Grenoble | 2020/02/09 09:00 | Pauline Wuarin v Carole Monnet | 2-6,1-6 |
| ITF Damen - W15 - Palmanova | 2020/02/06 10:05 | Lucia Cortez Llorca v Pauline Wuarin | 6-1,6-2 |
| ITF Frauen - W15 - Manacor | 2020/01/28 11:00 | Pauline Wuarin v Suzan Lamens | 4-6,2-6 |
| ITF - W100 - Contrexeville | 2021/07/04 09:05 | Mariia Kostiuk v Tina Nadine Smith | 0-6,0-6 |
| ITF Damen - W60 - Montpellier | 2021/06/27 15:10 | Mariia Kostiuk v Camilla Rosatello | 0-6,0-6 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/06/13 09:30 | Mariia Kostiuk v Eleanor Baglow | 1-6,2-6 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/06/10 08:00 | Mariia Kostiuk v Romy Kolzer | 0-6,1-6 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/06/09 12:00 | Mariia Kostiuk v Valentyna Ivakhnenko | 1-6,1-5 |
| ITF Damen - W25 - Madrid | 2021/06/06 09:00 | Mariia Kostiuk v Maria Garcia Cid | 1-6,1-6 |
| ITF Damen - W25 - Calvi | 2021/04/11 12:10 | Rebecca Amerio v Mariia Kostiuk | 6-4,6-1 |
| ITF Damen - W25 - Manacor | 2021/03/09 09:00 | Olga Parres Azcoitia v Mariia Kostiuk | 6-2,6-1 |