Head to Head
| Champions League Women | 2023/01/22 15:40 | Nina Mittelham v Adina Diaconu | L | 3-2 |
| Champions League Women | 2022/02/11 17:00 | Nina Mittelham v Adina Diaconu | L | 3-0 |
| European Champions League Women | 2022/02/08 20:20 | Adina Diaconu v Nina Mittelham | L | 0-3 |
Home History
| Champions League Women | 2023/01/22 15:40 | Nina Mittelham v Adina Diaconu | L | 3-2 |
| Champions League Women | 2023/01/22 13:00 | Xiaona Shan v Adina Diaconu | L | 3-2 |
| WTT Contender Doha Women | 2023/01/18 17:00 | Adina Diaconu v Siqi Fan | L | 1-3 |
| WTT Contender Doha Women Quals | 2023/01/17 11:00 | Hsing-Yin Liu v Adina Diaconu | W | 2-3 |
| WTT Contender Doha Women Quals | 2023/01/16 15:30 | Wanling Zhang v Adina Diaconu | W | 0-3 |
| Champions League Women | 2022/11/29 18:40 | Natalia Partyka v Adina Diaconu | W | 2-3 |
| Champions League Women | 2022/11/29 17:30 | Karin Grofova v Adina Diaconu | W | 0-3 |
| Champions League Women | 2022/11/10 19:35 | Aneta Maksuti v Adina Diaconu | W | 1-3 |
Away History
| Champions League Women | 2023/01/22 15:40 | Nina Mittelham v Adina Diaconu | W | 3-2 |
| Champions League Women | 2023/01/22 13:45 | Nina Mittelham v Maria Taylakova | L | 2-3 |
| WTT Contender Doha Women | 2023/01/18 08:00 | Nina Mittelham v Annett Kaufmann | L | 1-3 |
| WTT Contender Durban Women | 2023/01/13 18:00 | Nina Mittelham v Sabine Winter | W | 3-2 |
| WTT Contender Durban Women | 2023/01/12 09:45 | Nina Mittelham v Yu-Jie Huang | W | 3-1 |
| Champions League Women | 2022/12/02 18:45 | Nina Mittelham v Maria Xiao | L | 2-3 |
| Champions League Women | 2022/12/02 17:35 | Nina Mittelham v Silvia Erdelyi De Souza | W | 3-0 |
| WTT Feeder Dusseldorf Women | 2022/11/24 16:45 | Nina Mittelham v Miwa Harimoto | L | 1-4 |