Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF W15 Sharm El Sheikh | 2021/11/08 08:00 | Gabriela Duca v Shiran Arol Wiegand | 6-4,6-2 |
| ITF W15 Sharm El Sheikh | 2021/11/04 13:20 | Ho Ching Wu v Gabriela Duca | 6-3,6-3 |
| ITF W15 Sharm El Sheikh | 2021/11/03 14:30 | Gabriela Duca v Vera Deepoem | 6-2,6-3 |
| ITF W15 Sharm El Sheikh | 2021/10/27 08:00 | Hong Yi Cody Wong v Gabriela Duca | 6-3,6-4 |
| ITF W15 Sharm El Sheikh | 2021/10/21 11:05 | Gabriela Duca v Zongyu Li | 0-6,2-6 |
| ITF W15 Sharm El Sheikh | 2021/10/20 16:25 | Gabriela Duca v Diana Maria Mihail | 6-1,6-4 |
| ITF W15 Sharm El Sheikh | 2021/10/13 08:00 | Gabriela Duca v Emilie L Gallagher | 1-6,2-6 |
| ITF W15 Sharm El Sheikh | 2021/10/12 07:55 | Gabriela Duca v Rebeka Stolmar | 1-6,1-6 |
| ITF W15 Sharm El Sheikh | 2021/11/07 11:00 | Lena Greiner v Sofiya Chursina | 7-5,2-6,10-8 |
| ITF W15 Sharm El Sheikh | 2021/11/01 08:00 | Lena Greiner v Daianne Hayashida | 3-6,3-6 |
| ITF W25 Hamburg | 2021/10/20 08:00 | Alice Robbe v Lena Greiner | 6-0,6-1 |
| ITF W25 Braunschweig | 2021/08/23 08:30 | Oana Gavrila v Lena Greiner | 4-6,6-4,10-3 |
| ITF W15 Heraklion | 2021/05/26 10:45 | Lena Greiner v Tamara Malesevic | 0-6,6-2,3-6 |
| ITF W15 Heraklion | 2021/05/17 07:00 | Simona Ogescu v Lena Greiner | 6-0,6-4 |
| ITF W15 Heraklion | 2021/05/16 09:00 | Lena Greiner v Maria Georgiadou | 7-5,6-1 |
| German Championship Women | 2020/12/07 08:00 | Lena Greiner v Steffi Bachofer | 1-6,1-6 |