| European Youth Champs Singles Women | 07/22 16:43 | - | Bianca Mei Rosu v Mia Griesel | L | 3-2 | |
| Ungdoms-EM - Lag - Damer | 07/18 16:30 | - | Elena Zaharia v Mia Griesel | L | 3-0 | |
| Ungdoms-EM - Lag - Damer | 07/18 15:30 | - | Ioana Singeorzan v Mia Griesel | W | 1-3 | |
| Ungdoms-EM - Lag - Damer | 07/17 16:40 | - | Zuzanna Wielgos v Mia Griesel | L | 3-0 | |
| Ungdoms-EM - Lag - Damer | 07/17 16:00 | - | Wiktoria Wrobel v Mia Griesel | W | 0-3 | |
| Ungdoms-EM - Lag - Damer | 07/14 15:29 | - | Mia Griesel v Adriana Illasova | W | 3-0 | |
| U21-EM - Damer | 04/09 08:50 | - | Mia Griesel v Hana Arapovic | L | 0-4 | |
| U21-EM - Damer | 04/08 11:30 | - | Mia Griesel v Matilde Pinto | W | 4-0 | |
| U21-EM - Damer | 04/06 16:35 | - | Mia Griesel v Isa Cok | L | 2-4 | |
| U21-EM - Damer | 04/06 13:15 | - | Mia Griesel v Valentina Roncallo | W | 4-1 | |
| WTT Feeder Dusseldorf II Women | 02/22 10:10 | - | Sofia Xuan Zhang v Mia Griesel | L | 3-0 | |
| U21-EM - Damer | 09/15 14:45 | - | Nicole Arlia v Mia Griesel | W | 1-4 |