| ITF W25 Lagos | 2021/10/14 15:20 | 루직, 안토니아 v Schunk, Nastasja Mariana | 6-2,6-3 |
| ITF W25 Lagos | 2021/10/13 13:25 | 푸라티, 비안카 v Schunk, Nastasja Mariana | 7-5,4-6,3-6 |
| ITF W25 Loule | 2021/10/07 12:50 | 탄, 하르모니 v Schunk, Nastasja Mariana | 6-1,6-4 |
| ITF W25 Loule | 2021/10/06 12:40 | 디 기우세프, 마르티나 v Schunk, Nastasja Mariana | 2-6,1-6 |
| ITF W80 Wiesbaden | 2021/09/20 10:45 | Schunk, Nastasja Mariana v 발톤, 카밀라 | 3-6,6-4,7-10 |
| WTA Karlsruhe | 2021/09/10 14:15 | 크리스티안, 자쿠에린 아디나 v Schunk, Nastasja Mariana | 6-1,6-1 |
| WTA Karlsruhe | 2021/09/09 15:25 | Schunk, Nastasja Mariana v 살마, 아스트라 | 6-2,6-4 |
| WTA Karlsruhe | 2021/09/08 08:00 | Schunk, Nastasja Mariana v 호브갈스키, 카타리나 | 6-0,3-6,7-5 |
| ITF W15 Sharm El Sheikh | 2021/11/09 09:55 | Ulyashchenko, Anna v Greiner, Sophie | 6-2,6-4 |
| ITF W15 Sharm El Sheikh | 2021/11/08 08:00 | Greiner, Sophie v 미칼리트츠, 알리나 | 7-6,6-3 |
| ITF W15 Sharm El Sheikh | 2021/11/02 08:00 | Greiner, Sophie v Zongyu Li | 0-6,2-6 |
| ITF W15 Sharm El Sheikh | 2021/11/01 10:30 | 파이지, 리타지 v Greiner, Sophie | 0-6,0-6 |
| ITF W25 Braunschweig | 2021/08/23 16:35 | 루에퍼, 레나 v Greiner, Sophie | 6-4,6-4 |
| ITF W15 Warmbad-Villach | 2021/08/16 12:30 | Greiner, Sophie v 마르티노브, 디아나 | 1-6,5-7 |
| ITF W15 Warmbad-Villach | 2021/08/15 07:00 | Krznaric, Noa v Greiner, Sophie | 6-1,0-6,7-10 |
| ITF W15 Heraklion | 2021/05/24 08:00 | Greiner, Sophie v Stevic, Helena | 4-6,1-6 |