Stadium: Court 1 Round: 46
| Challenger Lyon Qual | 2018/06/09 12:40 | Johan Sebastien Tatlot v Etienne Donnet | 6-1,6-2 |
| French Open Qual | 2018/05/21 15:10 | Oscar Otte v Johan Sebastien Tatlot | 6-2,6-2 |
| Challenger Aix en Provence | 2018/05/10 10:50 | Johan Sebastien Tatlot v Bernard Tomic | 4-6,1-6 |
| Challenger Aix en Provence | 2018/05/08 08:30 | Peter Polansky v Johan Sebastien Tatlot | 5-7,7-5,3-6 |
| ITF France F9 | 2018/05/06 13:00 | Alen Avidzba v Johan Sebastien Tatlot | 4-6,1-6 |
| ITF France F9 | 2018/05/05 14:55 | Johan Sebastien Tatlot v Maxime Tabatruong | 7-6,7-6 |
| ITF France F9 | 2018/05/04 14:05 | Laurent Lokoli v Johan Sebastien Tatlot | 6-7,3-6 |
| ITF France F9 | 2018/05/03 13:20 | Antoine Cornut-Chauvinc v Johan Sebastien Tatlot | 1-6,2-6 |
| Challenger Lyon Qual | 2018/06/09 12:10 | Germain Gigounon v Aleksandar Vukic | 6-0,7-6 |
| ITF Italy F12 | 2018/05/30 14:45 | Marco Bortolotti v Germain Gigounon | 6-3,6-4 |
| ITF Italy F12 | 2018/05/28 11:00 | Sebastian Korda v Germain Gigounon | 5-7,3-6 |
| Challenger Braga | 2018/05/08 15:30 | Gastao Elias v Germain Gigounon | 6-4,6-4 |
| Challenger Braga Qual | 2018/05/06 10:00 | Juan Pablo Ficovich v Germain Gigounon | 4-6,6-4,6-7 |
| Challenger Braga Qual | 2018/05/05 11:55 | Germain Gigounon v Yannick Vandenbulcke | 6-4,6-4 |
| Challenger Ostrava Qual | 2018/04/28 13:20 | Germain Gigounon v David Pichler | 3-6,6-7 |
| ITF Portugal F8 | 2018/04/19 16:00 | Frederico Ferreira Silva v Germain Gigounon | 7-6,6-1 |