Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Santo Domingo | 2021/06/06 14:00 | Michaela Kadleckova v Elena Ecker | 6-0,6-0 |
| ITF W15 Monastir | 2021/09/01 14:00 | Ingrid Gamarra Martins v Marija Semenistaja | 6-1,6-4 |
| ITF W15 Monastir | 2021/08/23 14:30 | Tara Malik v Marija Semenistaja | 7-5,6-2 |
| ITF W15 Monastir | 2021/08/16 15:00 | Susanna Giovanardi v Marija Semenistaja | 6-4,6-0 |
| ITF W15 Monastir | 2021/08/15 14:30 | Julia Traub v Marija Semenistaja | 7-5,4-6,3-10 |
| ITF W15 L'Aquila | 2021/06/20 07:00 | Marija Semenistaja v Gaia Squarcialupi | 2-6,4-6 |
| ITF W15 Heraklion | 2021/06/07 06:30 | Emma Lella v Marija Semenistaja | 7-5,2-6,10-6 |
| ITF W15 Heraklion | 2021/06/01 06:30 | Simona Ogescu v Marija Semenistaja | 6-2,6-0 |
| ITF W15 Heraklion | 2021/05/24 08:00 | Karen Marthiens v Marija Semenistaja | 6-4,6-2 |