Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 La Nucia | 2021/03/13 09:25 | Emilio Nava v Pol Martin Tiffon | 6-4,7-5 |
| ITF M15 La Nucia | 2021/03/12 09:30 | Toledo Bague, Pol v Pol Martin Tiffon | 6-4,2-6,0-6 |
| ITF M15 La Nucia | 2021/03/09 15:45 | Pol Martin Tiffon v Timofey Skatov | 6-7,6-4,6-3 |
| Challenger Gran Canaria Qual | 2021/02/28 16:45 | Pol Martin Tiffon v Doumbia, Sadio | 6-7,6-4,6-7 |
| Challenger Gran Canaria | 2021/02/21 10:00 | Alex Molcan v Pol Martin Tiffon | 6-1,6-4 |
| ITF - M15 Antalya | 2021/02/04 11:25 | Vlad Andrei Dancu v Pol Martin Tiffon | 4-6,1-6 |
| ITF - M15 Antalya | 2021/02/03 13:25 | Mathys Erhard v Pol Martin Tiffon | 3-6,4-6 |
| ITF - M15 Antalya | 2021/02/01 13:15 | Pol Martin Tiffon v Facundo Juarez | 6-3,6-4 |
| ITF - M15 Antalya | 2021/03/26 07:00 | Georgii Kravchenko v Schmitz, Constantin | 6-2,6-3 |
| ITF - M15 Antalya | 2021/03/24 07:30 | Schmitz, Constantin v Pedro Vives Marcos | 6-3,6-3 |
| ITF - M15 Monastir | 2021/03/10 10:30 | Mertens, Yannick v Schmitz, Constantin | 6-0,6-2 |
| ITF - M15 Monastir | 2021/03/04 08:30 | Mateus Alves v Schmitz, Constantin | 6-3,6-4 |
| ITF - M15 Monastir | 2021/03/02 08:30 | Schmitz, Constantin v Christoph Negritu | 6-4,7-6 |
| ITF - M15 Monastir | 2021/02/23 08:00 | Schmitz, Constantin v Vidal Azorin, Jose Fco | 6-4,3-6,4-6 |
| ITF M15 Alkmaar | 2020/08/25 14:30 | Schmitz, Constantin v Benjamin Hassan | 4-6,6-3,3-6 |
| Exo Tennis Germany Series | 2020/08/01 09:30 | Schmitz, Constantin v Benjamin Hassan | 6-7,7-6,0-6 |