| WTT Star Contender Doha - Femmes | 2021/03/09 11:00 | Nina Mittelham v Ishikawa, Kasumi | L | 1-3 |
| WTT Star Contender Doha - Femmes | 2021/03/08 11:40 | Nina Mittelham v Debora Vivarelli | W | 3-1 |
| WTT Contender - Doha - Femmes | 2021/03/04 07:40 | Mima Ito v Nina Mittelham | L | 3-0 |
| WTT Contender - Doha - Femmes | 2021/03/03 07:15 | Jia Nan Yuan v Nina Mittelham | W | 2-3 |
| Ligue des Champions - Femmes | 2020/12/08 21:30 | Nina Mittelham v Margaryta Pesotska | W | 3-2 |
| Ligue des Champions - Femmes | 2020/12/08 19:35 | Nina Mittelham v Sofia Polcanova | L | 0-3 |
| Ligue des Champions - Femmes | 2020/12/07 17:00 | Nina Mittelham v Monteiro-Dodean, D. | W | 3-2 |
| Ligue des Champions - Femmes | 2020/12/05 19:05 | Nina Mittelham v Andrade, Raquel | W | 3-0 |
| European Championships Women | 2021/06/22 13:40 | Sibel Altinkaya v Solomiya Brateyko | L | 1-3 |
| Olympic Qualification Women | 2021/04/25 09:00 | Noskova, Yana v Sibel Altinkaya | L | 4-1 |
| Olympic Qualification Women | 2021/04/24 17:15 | Hana Matelova v Sibel Altinkaya | W | 1-4 |
| Olympic Qualification Women | 2021/04/23 10:00 | Sibel Altinkaya v Christina Kallberg | L | 0-4 |
| Olympic Qualification Women | 2021/04/22 10:00 | Aikaterini Toliou v Sibel Altinkaya | W | 2-4 |
| Olympic Qualification Women | 2021/04/21 09:00 | Sarah De Nutte v Sibel Altinkaya | W | 2-4 |
| Olympic Qualification Women | 2021/03/14 17:30 | Maria Xiao v Sibel Altinkaya | L | 4-2 |
| Qatar Open 2019, MS | 2020/03/04 08:40 | Sibel Altinkaya v Gu, Yuting | L | 0-4 |