Stadium: Court 2 Round: 45 Ground: Hardcourt outdoor
| ITF M15 Faro | 2019/02/25 12:15 | Schmitz, Constantin v Giacalone, Omar | 6-1,6-3 |
| ITF M15 Vale Do Lobo | 2019/02/18 15:30 | Schmitz, Constantin v Tashi, Vullnet | 4-6,6-4,11-13 |
| ITF M15 Kaarst | 2019/02/08 16:05 | Stanek, Robin v Schmitz, Constantin | 6-0,6-4 |
| ITF M15 Kaarst | 2019/02/07 13:00 | Petr Nouza v Schmitz, Constantin | 4-6,6-1,3-6 |
| ITF - M15 Monastir | 2019/01/16 09:00 | Schmitz, Constantin v Tikhomirov, Maksim | 6-3,6-2 |
| ITF - M15 Monastir | 2019/01/14 12:00 | Schmitz, Constantin v Mattia Bellucci | 6-2,6-0 |
| ITF - M15 Monastir | 2019/01/14 08:00 | Schmitz, Constantin v Garcia, Mathieu | 6-1,6-2 |
| ITF Qatar F6 | 2018/12/20 12:00 | Schmitz, Constantin v Frigerio, Lorenzo | 3-6,1-6 |
| ITF M15 Faro | 2019/02/25 13:20 | Goncalo Falcao v Gray, Jonathan | 2-6,1-6 |
| ITF M25 Glasgow | 2019/02/18 10:45 | Gray, Jonathan v Jakub Paul | 3-6,2-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2019/02/11 13:45 | Gray, Jonathan v Mark Whitehouse | 5-7,6-7 |
| ITF - M15 Monastir | 2019/01/24 11:25 | Gray, Jonathan v Avidzba, Alen | 6-4,3-6,3-6 |
| ITF - M15 Monastir | 2019/01/22 12:25 | Boris Fassbender v Gray, Jonathan | 5-7,4-6 |
| ITF - M15 Monastir | 2019/01/15 08:00 | Ratniuk, Maxim v Gray, Jonathan | 6-1,6-3 |
| ITF - M15 Monastir | 2019/01/11 10:00 | Gray, Jonathan v Luca Giacomini | 1-6,2-6 |
| ITF - M15 Monastir | 2019/01/10 08:00 | Gray, Jonathan v Ratniuk, Maxim | 6-0,6-0 |