Stadium: Central Round: 25 Ground: Hardcourt outdoor
| Challenger Gimcheon | 2018/05/08 04:25 | Brayden Schnur v Max Purcell | 7-6,1-6,3-6 |
| Challenger Seoul | 2018/05/01 03:00 | Vasek Pospisil v Brayden Schnur | 4-6,6-1,6-3 |
| Challenger Leon | 2018/04/24 16:20 | Alejandro Gonzalez v Brayden Schnur | 6-4,6-4 |
| Challenger Guadalajara | 2018/04/21 01:30 | Brayden Schnur v Mats Moraing | 6-3,7-6 |
| Challenger Guadalajara | 2018/04/19 23:00 | Brayden Schnur v Jose Hernandez-Fernandez | 7-5,4-6,7-6 |
| Challenger Guadalajara | 2018/04/17 20:55 | Kevin King v Brayden Schnur | 6-2,3-6,3-6 |
| Challenger Le Gosier | 2018/03/27 23:50 | Evan Song v Brayden Schnur | 7-5,7-6 |
| Challenger Drummondville | 2018/03/17 17:20 | Brayden Schnur v Denis Kudla | 4-6,2-6 |
| Challenger Puerto Vallarta | 2018/05/02 19:00 | Danilo Petrovic v Ugo Humbert | 6-4,3-6,6-3 |
| Challenger Puerto Vallarta | 2018/04/30 22:00 | Nicolas Barrientos v Ugo Humbert | 6-7,2-6 |
| Challenger Leon | 2018/04/27 01:40 | Roberto Cid Subervi v Ugo Humbert | 6-2,4-6,6-3 |
| Challenger Guadalajara Qual | 2018/04/16 17:00 | Ugo Humbert v Gonzalo Escobar | 4-6,6-3,5-7 |
| Challenger Guadalajara Qual | 2018/04/15 17:30 | Ugo Humbert v Viktor Durasovic | 6-4,6-7,6-3 |
| Challenger Guadalajara Qual | 2018/04/14 17:25 | Ugo Humbert v Alvaro G-Aramburu | 6-2,6-4 |
| Challenger St Brieuc | 2018/03/27 18:40 | Ugo Humbert v Maxime Janvier | 4-6,3-6 |
| Challenger Lille | 2018/03/22 10:00 | Yannick Maden v Ugo Humbert | 7-5,4-6,6-1 |