Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Portugal F7 | 2018/04/12 17:40 | Gigounon, Germain v Igor Sijsling | 6-4,6-3 |
| ITF Portugal F7 | 2018/04/13 12:00 | Pedro Cachin v Gigounon, Germain | 7-5,6-1 |
| ITF Portugal F7 | 2018/04/12 17:40 | Gigounon, Germain v Igor Sijsling | 6-4,6-3 |
| ITF Portugal F7 Qual | 2018/04/12 10:45 | Okala, Jules v Gigounon, Germain | 3-6,1-6 |
| ITF Portugal F7 Qual | 2018/04/09 15:35 | Gigounon, Germain v Avidzba, Alen | 6-3,4-6,6-3 |
| ITF Tunisia F11 | 2018/03/22 14:30 | Oriol Roca Batalla v Gigounon, Germain | 6-3,6-4 |
| ITF Tunisia F11 | 2018/03/22 08:30 | Louis Tessa v Gigounon, Germain | 5-7,2-6 |
| Spain F6, Singles | 2018/03/18 10:30 | Gigounon, Germain v Marco Trungelliti | 6-4,6-3 |
| Spain F6, Singles | 2018/03/17 11:50 | Guttierrez-Ferrol, Sergio v Gigounon, Germain | 6-7,5-7 |
| ITF Portugal F7 | 2018/04/12 17:40 | Gigounon, Germain v Igor Sijsling | 6-4,6-3 |
| ITF Portugal F7 | 2018/04/12 11:00 | Igor Sijsling v Monteiro, Joao | 6-2,6-1 |
| Challenger St Brieuc Qual | 2018/03/26 11:05 | Constant Lestienne v Igor Sijsling | 6-2,5-7,7-6 |
| Challenger St Brieuc Qual | 2018/03/25 11:55 | Igor Sijsling v Zizou Bergs | 7-5,7-5 |
| Challenger St Brieuc Qual | 2018/03/24 17:05 | Igor Sijsling v Faivre, Pierre | 6-4,6-2 |
| France F5, Singles | 2018/03/18 14:00 | Antoine Hoang v Igor Sijsling | 3-6,6-1,6-4 |
| France F5, Singles | 2018/03/17 15:15 | Igor Sijsling v Wang, Tak Khunn | 6-1,3-6,6-3 |
| France F5, Singles | 2018/03/16 14:50 | Igor Sijsling v Voljacques, Hugo | 6-2,7-5 |