| Polish International - Damen - Qualifikation | 2021/09/23 16:30 | Anastasiia Kosenchuk v Mariia Stoliarenko | W | 0-2 |
| Ukraine International - Damen | 2021/09/10 06:40 | Mariia Stoliarenko v Dounia Pelupessy | L | 1-2 |
| Ukraine International - Damen | 2021/09/09 14:00 | Milena Schnider v Mariia Stoliarenko | W | 1-2 |
| Lettland - Latvia International - Damen | 2021/08/29 07:20 | Mariia Stoliarenko v Daniella Gonda | W | 2-1 |
| Lettland - Latvia International - Damen | 2021/08/28 15:20 | Mariia Stoliarenko v Melsya Nur Fitriani | W | 2-0 |
| Lettland - Latvia International - Damen | 2021/08/28 08:20 | Mariia Stoliarenko v Clara Lassaux | W | 2-0 |
| Lettland - Latvia International - Damen | 2021/08/27 11:40 | Mariia Stoliarenko v Samanta Golubickaite | W | 2-1 |
| Dänemark - Denmark Masters - Damen | 2021/08/06 10:40 | Gayle Mahulette v Mariia Stoliarenko | L | 2-0 |