Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF - M25 Trimbach | 2023/03/13 11:20 | Jonas Schaer v Jacob Kahoun | 6-4,6-1 |
| ITF - M15 Manacor | 2024/01/07 09:45 | Jacob Kahoun v Martins Rocens | 0-6,1-6 |
| ITF - M15 Héraklion | 2023/10/18 08:20 | Stuart Parker v Jacob Kahoun | 6-3,6-1 |
| ITF - M15 Héraklion | 2023/10/17 06:30 | Sebastian Gima v Jacob Kahoun | 4-6,6-1,5-10 |
| ITF - M15 Héraklion | 2023/10/16 07:00 | Jacob Kahoun v Tarik Bajrovic | 6-4,6-4 |
| ITF - M15 Antalya | 2023/04/02 07:00 | Jacob Kahoun v Kawahashi, Yuta | 3-6,1-6 |
| ITF - M25 Trimbach | 2023/03/13 11:20 | Jonas Schaer v Jacob Kahoun | 6-4,6-1 |
| Czech Extraliga, Men | 2022/12/11 12:00 | Vojtech Vlkovsky v Jacob Kahoun | 2-6,6-3,3-5 |
| ITF - M25 Trimbach | 2022/03/14 10:55 | Jacob Kahoun v Hendrik Jebens | 6-4,3-6,3-10 |
| ITF - M15 Oberhaching | 2024/02/12 10:00 | Fabien Salle v Jonas Schaer | 3-6,6-3,10-7 |
| ITF - M15 Oberhaching | 2024/02/11 13:00 | Jonas Schaer v Ryan James Storrie | 6-4,3-6,10-6 |
| ITF - M15 Oberhaching | 2024/02/11 09:00 | Yvo Panak v Jonas Schaer | 6-7,4-6 |
| Mulhouse, Singles M-ITF-FRA-16A | 2023/10/30 13:25 | Pierre Delage v Jonas Schaer | 6-3,6-3 |
| Mulhouse, Singles M-ITF-FRA-16A | 2023/10/29 14:20 | Max Cunat v Jonas Schaer | 3-6,4-6 |
| ITF M15 Caslano | 2023/08/23 15:00 | Jonas Schaer v Biagio Gramaticopolo | 3-6,3-6 |
| ITF M25 Muttenz | 2023/08/17 10:20 | Jonas Schaer v Mora, Maxime | 3-6,6-2,6-7 |
| ITF M25 Muttenz | 2023/08/16 11:00 | Jonas Schaer v Mika Brunold | 6-3,3-6,6-4 |