Stadium: Tourlaville Round: 25 Ground: Hardcourt indoor
| ITF Belgium F9 | 2015/08/06 14:00 | Oscar Otte v Michael Geerts | 6-3,6-2 |
| Challenger Danderyd | 2023/11/13 18:00 | Oscar Otte v Maximilian Marterer | 3-6,0-6 |
| Challenger Ismaning | 2023/11/02 11:50 | Antoine Bellier v Oscar Otte | 6-4,7-6 |
| Challenger Ismaning | 2023/11/01 14:05 | Marko Topo v Oscar Otte | 7-6,3-6,6-7 |
| ATP Antwerp | 2023/10/15 13:45 | Benjamin Bonzi v Oscar Otte | 6-1,6-2 |
| Wimbledon | 2023/07/06 13:50 | Daniel Elahi Galan v Oscar Otte | 6-3,3-6,6-3,7-6 |
| Wimbledon | 2023/07/03 16:20 | Dominik Koepfer v Oscar Otte | 5-7,3-6,6-7 |
| Wimbledon | 2023/06/29 10:30 | Oscar Otte v Marc Polmans | 6-3,7-6,4-6,7-5 |
| Wimbledon | 2023/06/28 13:10 | Leandro Riedi v Oscar Otte | 3-6,6-3,3-6 |
| Challenger Valencia | 2023/11/19 13:30 | Michael Geerts v Miguel Damas | 3-6,3-6 |
| ITF M25 Vale Do Lobo | 2023/11/18 10:30 | Hynek Barton v Michael Geerts | 5-7,6-2,7-6 |
| ITF M25 Vale Do Lobo | 2023/11/17 10:30 | Michael Geerts v Francisco Rocha | 6-3,6-4 |
| ITF M25 Vale Do Lobo | 2023/11/16 10:00 | Michael Geerts v Paul Jubb | 4-6,6-1,7-6 |
| ITF M25 Vale Do Lobo | 2023/11/15 11:35 | Michael Geerts v Stijn Slump | 6-4,6-4 |
| ATP Metz | 2023/11/04 12:35 | Michael Geerts v Calvin Hemery | 6-7,4-6 |
| Challenger Ismaning | 2023/10/31 14:00 | Michael Geerts v Maximilian Marterer | 3-6,4-6 |
| Challenger Ortisei | 2023/10/25 09:30 | Michael Geerts v Maks Kasnikowski | 7-5,3-6,6-7 |