Stadium: Court 3 Round: 44 Ground: Carpet indoor
| ITF M15 Cadolzburg | 2024/01/16 11:45 | Vit Kalina v Opitz, Jannik | 6-1,5-7,6-4 |
| ITF M15 Cadolzburg | 2024/01/14 09:00 | Opitz, Jannik v Lukas Janousek | 6-2,7-5 |
| ITF M25 Sarreguemines | 2023/10/26 08:00 | Opitz, Jannik v 술타노브, 쿠모윤 | 5-7,2-6 |
| ITF M25 Sarreguemines | 2023/10/25 08:00 | 빌레그자닌, 니콜라이 v Opitz, Jannik | 6-7,6-4,2-6 |
| ITF M25 Sarreguemines | 2023/10/23 12:05 | Opitz, Jannik v Yanis Ghazouani Durand | 7-6,6-3 |
| ITF M15 Villers Les Nancy | 2023/10/18 10:45 | 카우티엘, 알렉시스 v Opitz, Jannik | 1-6,6-3,6-2 |
| ITF M15 Trier | 2023/08/24 10:55 | Stepan Baum v Opitz, Jannik | 6-2,6-2 |
| ITF M15 Trier | 2023/08/23 11:00 | David Eichenseher v Opitz, Jannik | 6-4,6-7,4-6 |
| Nussloch, Singles M-ITF-GER-01A | 2024/01/21 11:00 | Vincent Vohl v Henri Haupt | 3-6,3-6 |
| ITF M15 Cadolzburg | 2024/01/16 10:00 | Henri Haupt v 폴자크, 다비드 | 5-7,1-6 |
| ITF M15 Doha | 2024/01/09 12:00 | Genier, Tanguy v Henri Haupt | 6-2,6-4 |
| ITF M15 Doha | 2024/01/08 15:25 | Henri Haupt v 아미로브, 다부드 | 6-3,6-4 |
| ITF M15 Danderyd | 2023/09/18 10:55 | Karol, Milos v Henri Haupt | 6-2,6-1 |