Stadium: Court 1 Round: 26 Ground: Clay
| ITF Germany F14 | 2018/10/05 11:45 | Paul Cayre v Constantin Schmitz | 6-3,6-2 |
| ITF M15 Wetzlar | 2019/08/06 09:05 | Paul Cayre v Adrian Oetzbach | 6-4,6-4 |
| ITF M25 Roehampton | 2019/07/31 08:30 | Daniel Cukierman v Paul Cayre | 6-3,6-4 |
| ITF M15 Uriage | 2019/07/16 09:00 | Paul Cayre v Alexis Gautier | 4-6,3-6 |
| ITF M25 Ajaccio | 2019/07/10 21:15 | Antoine Cornut-Chauvinc v Paul Cayre | 6-1,5-7,6-2 |
| ITF M25 Ajaccio | 2019/07/08 16:00 | Paul Cayre v Mathieu Scaglia | 6-0,1-6,10-8 |
| ITF M25 Montauban | 2019/06/26 09:35 | Paul Cayre v Alexander Zhurbin | 2-6,7-6,4-6 |
| ITF M25 Montauban | 2019/06/25 07:00 | Paul Cayre v Amaury Delmas | 6-4,1-6,10-7 |
| ITF M25 Montauban | 2019/06/24 09:00 | Paul Cayre v Alexandre Aubriot | 6-2,6-2 |
| ITF M15 Wetzlar | 2019/08/06 08:00 | Maikel Borg v Constantin Schmitz | 1-6,1-6 |
| ITF M15 Bad Schussenried | 2019/07/23 08:30 | Henri Squire v Constantin Schmitz | 7-5,6-3 |
| ITF M25 Karlsruhe | 2019/06/03 09:00 | Adrian Oetzbach v Constantin Schmitz | 6-4,7-5 |
| ITF M15 Tabarka | 2019/05/17 09:00 | Mohamed Aziz Dougaz v Constantin Schmitz | 7-6,6-1 |
| ITF M15 Tabarka | 2019/05/16 12:45 | Alessandro Ingarao v Constantin Schmitz | 2-6,1-6 |
| ITF M15 Tabarka | 2019/05/15 08:00 | Hugo Schott v Constantin Schmitz | 1-6,4-6 |
| ITF M15 Troisdorf | 2019/05/10 10:00 | Constantin Schmitz v Kacper Zuk | 4-6,2-6 |
| ITF M15 Troisdorf | 2019/05/09 11:20 | Daniel De Jonge v Constantin Schmitz | 3-6,1-6 |