| Európa-bajnokság - nők | 2021/06/24 13:20 | Nina Mittelham v Sibel Altinkaya | W | 3-4 |
| Bajnokok Ligája - nők | 2021/11/06 13:50 | Sibel Altinkaya v Xiaona Shan | L | 1-3 |
| European Team Championships - nők | 2021/09/29 08:35 | Shuohan Men v Sibel Altinkaya | L | 3-0 |
| European Team Championships - nők | 2021/09/29 07:05 | Emine Ernst v Sibel Altinkaya | W | 1-3 |
| Euro Champs Team Women Quals | 2021/08/29 19:30 | Sibel Altinkaya v Polina Trifonova | W | 3-1 |
| Euro Champs Team Women Quals | 2021/08/29 17:30 | Sibel Altinkaya v Maria Yovkova | W | 3-2 |
| Euro Champs Team Women Quals | 2021/08/29 08:35 | Kornelija Riliskyte v Sibel Altinkaya | W | 1-3 |
| Euro Champs Team Women Quals | 2021/08/29 07:50 | Laura Abaraviciute v Sibel Altinkaya | W | 0-3 |
| Euro Champs Team Women Quals | 2021/08/28 13:00 | Sibel Altinkaya v Aikaterini Toliou | W | 3-2 |
| Bajnokok Ligája - nők | 2021/11/06 13:10 | Linda Bergstrom v Nina Mittelham | L | 3-2 |
| WTT Contender Tunis - nők | 2021/10/29 13:30 | Nina Mittelham v Hana Matelova | L | 2-3 |
| WTT Contender Tunis - nők | 2021/10/28 18:00 | Nina Mittelham v Dora Madarasz | W | 3-0 |
| WTT Contender Tunis - nők | 2021/10/27 13:30 | Nina Mittelham v Manika Batra | W | 3-1 |
| European Team Championships - nők | 2021/10/03 12:20 | Nina Mittelham v Elizabeta Samara | W | 3-2 |
| European Team Championships - nők | 2021/10/03 10:05 | Nina Mittelham v Bernadette Szocs | W | 3-2 |
| European Team Championships - nők | 2021/10/02 08:45 | Nina Mittelham v Fu Yu | W | 3-1 |
| European Team Championships - nők | 2021/10/02 07:35 | Nina Mittelham v Jieni Shao | W | 3-1 |