Round: 28 Ground: Hardcourt indoor
| ATP Toronto | 2018/08/06 16:30 | Joao Sousa v Marton Fucsovics | 4-6,6-7 |
| ATP Gstaad | 2018/07/24 08:30 | Facundo Bagnis v Joao Sousa | 4-6,6-3,7-5 |
| ATP Umag | 2018/07/17 18:00 | Aljaz Bedene v Joao Sousa | 7-6,4-6,6-4 |
| Wimbledon | 2018/07/02 10:30 | Sergiy Stakhovsky v Joao Sousa | 6-3,6-3,5-7,1-6,6-4 |
| ATP Antalya | 2018/06/28 13:30 | Adrian Mannarino v Joao Sousa | 7-6,6-4 |
| ATP Antalya | 2018/06/27 10:30 | Mirza Basic v Joao Sousa | 7-6,4-6,4-6 |
| ATP Antalya | 2018/06/24 13:25 | Florian Mayer v Joao Sousa | 2-6,2-6 |
| ATP Halle | 2018/06/18 10:00 | Robin Haase v Joao Sousa | 4-6,7-5,6-4 |
| ITF USA F17 | 2018/06/28 18:00 | Nicolaas Scholtz v Trevor A Johnson | 6-7,4-6 |
| ITF USA F17 | 2018/06/27 15:00 | Nicolaas Scholtz v Dusty H. Boyer | 6-3,6-2 |
| ITF USA F15 | 2018/06/20 14:00 | Alexander Lebedev v Nicolaas Scholtz | 6-4,6-3 |
| ITF USA F13 | 2018/06/13 17:30 | Ezekiel Clark v Nicolaas Scholtz | 6-3,6-7,4-6 |
| Challenger Puerto Vallarta | 2018/05/01 17:00 | Kevin King v Nicolaas Scholtz | 6-3,6-1 |
| ITF USA F10 | 2018/04/15 18:00 | Karue Sell v Nicolaas Scholtz | 7-5,6-2 |
| ITF USA F10 | 2018/04/14 16:30 | Nicolaas Scholtz v Harrison Adams | 5-7,6-2,6-4 |
| ITF USA F10 | 2018/04/12 23:00 | Nicolaas Scholtz v Strong Kirchheimer | 6-2,6-4 |