Stadium: Center Round: 25 Ground: Hardcourt indoor
| Challenger Lille Qual | 2018/03/19 09:30 | David Guez v Sadio Doumbia | 6-3,6-3 |
| Challenger Lille Qual | 2018/03/18 10:00 | David Guez v Nikola Cacic | 6-1,6-7,6-3 |
| Challenger Lille Qual | 2018/03/17 10:45 | David Guez v Quentin Gueydan | 6-1,6-4 |
| ITF France F4 | 2018/03/10 15:50 | Botic Van De Zandschulp v David Guez | 2-6,7-6,6-3 |
| ITF France F4 | 2018/03/09 14:25 | Laurent Rochette v David Guez | 3-6,3-6 |
| ITF France F4 | 2018/03/08 11:00 | Enzo Couacaud v David Guez | 4-6,2-6 |
| ITF France F4 | 2018/03/07 11:00 | Gabriel Petit v David Guez | 5-7,1-6 |
| ITF Portugal F2 | 2018/03/05 22:15 | Evan Furness v David Guez | 6-1,6-1 |
| ATP Indian Wells Qual | 2018/03/06 19:00 | Nicolas Mahut v Goncalo Oliveira | 6-3,6-3 |
| Challenger Cherbourg | 2018/02/14 09:00 | Goncalo Oliveira v Mats Moraing | 5-7,6-7 |
| Challenger San Francisco | 2018/02/06 23:00 | Mitchell Krueger v Goncalo Oliveira | 6-3,6-4 |
| Challenger Dallas | 2018/01/31 18:20 | Dominik Koepfer v Goncalo Oliveira | 6-0,7-5 |
| Challenger Dallas | 2018/01/30 00:05 | Goncalo Oliveira v Yannick Hanfmann | 7-6,7-6 |
| Challenger Newport Beach | 2018/01/22 21:25 | Mitchell Krueger v Goncalo Oliveira | 7-6,6-2 |
| Australian Open Qual | 2018/01/09 23:00 | Alexander Bublik v Goncalo Oliveira | 6-3,1-6,6-3 |
| Challenger Bangkok | 2018/01/04 04:55 | Goncalo Oliveira v Aleksandr Nedovyesov | 4-6,3-6 |