Stadium: Court 4 Round: 46 Ground: Grass
| Challenger Nottingham Qual | 2018/06/09 16:05 | Brayden Schnur v Luke Saville | 6-4,5-7,6-2 |
| Challenger Surbiton Qual | 2018/06/02 11:00 | Brayden Schnur v Evan King | 3-6,5-7 |
| Challenger Busan | 2018/05/15 02:00 | Brayden Schnur v Mackenzie McDonald | 6-2,2-6,1-6 |
| 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 Nottingham Qual | 2018/06/09 15:55 | Marcus Willis v Brydan Klein | 1-6,3-6 |
| Challenger Surbiton Qual | 2018/06/04 10:00 | Taylor Fritz v Brydan Klein | 6-3,6-2 |
| Challenger Surbiton Qual | 2018/06/03 10:00 | Brydan Klein v Evan King | 6-4,6-3 |
| Challenger Surbiton Qual | 2018/06/02 12:05 | Vishnu Vardhan v Brydan Klein | 4-6,3-6 |
| Challenger Gimcheon Qual | 2018/05/07 05:00 | Renta Tokuda v Brydan Klein | 1-6,6-3,6-4 |
| Challenger Gimcheon Qual | 2018/05/06 05:50 | Jinseok Yu v Brydan Klein | 3-6,4-6 |
| Challenger Puerto Vallarta | 2018/05/01 19:05 | Brydan Klein v Felipe Mantilla | 4-6,7-6,1-6 |
| Challenger Guadalajara Qual | 2018/04/15 20:05 | Brydan Klein v James Ward | 5-7,4-6 |