Stadium: Court 12 Round: 25 Ground: Hardcourt outdoor
| ITF W80 Valencia | 2021/09/12 15:30 | Darja Semenistaja v Guiomar Maristany Zuleta De Reales | 2-6,7-5,8-10 |
| ITF W15 Chornomorsk | 2021/08/29 07:00 | Darja Semenistaja v Nicole Fossa Huergo | 6-3,6-2 |
| ITF W15 Chornomorsk | 2021/08/28 07:00 | Anastasiya Lopata v Darja Semenistaja | 2-6,6-4,0-6 |
| ITF W15 Chornomorsk | 2021/08/27 10:00 | Darja Semenistaja v Anastasiya Komar | 6-4,6-4 |
| ITF W15 Chornomorsk | 2021/08/27 07:00 | Darja Semenistaja v Elena Milovanovic | 6-4,6-3 |
| ITF W15 Chornomorsk | 2021/08/25 12:10 | Darja Semenistaja v Viktoriya Petrenko | 7-6,6-3 |
| ITF W15 Erwitte | 2021/08/18 09:00 | Darja Semenistaja v Emily Seibold | 5-7,6-3,4-6 |
| ITF W15 Bratislava | 2021/08/15 08:00 | Darja Semenistaja v Pia Lovric | 6-4,6-3 |
| ITF W15 Monastir | 2021/08/30 14:45 | Brittany Collens v Selina Atay | 3-6,2-6 |
| ITF W15 Monastir | 2021/08/25 16:40 | Aliona Falei v Brittany Collens | 6-2,6-2 |
| ITF W15 Monastir | 2021/08/24 08:30 | Brittany Collens v Milana Zhabrailova | 3-6,1-6 |
| ITF W15 Monastir | 2021/08/16 16:00 | Brittany Collens v Kariann Pierre-Louis | 4-6,2-6 |
| WTA Concord | 2021/08/01 18:20 | Brittany Collens v Samantha Murray | 5-7,0-6 |
| ITF W25 Evansville | 2021/07/12 15:00 | Katarina Jokic v Brittany Collens | 6-3,6-1 |
| ITF W15 Cancun | 2020/03/09 17:00 | Brittany Collens v Bo Luttikhuis | 6-2,0-6,4-10 |
| ITF W15 Cancun | 2020/02/13 18:05 | Thaisa Grana Pedretti v Brittany Collens | 6-2,6-0 |