Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Vancouver | 2018/08/11 18:20 | Ruan Roelofse v Jacob Grills | 1-6,2-6 |
| Challenger Aptos | 2018/08/04 17:20 | Ruan Roelofse v Alex Rybakov | 3-6,6-7 |
| Challenger Lexington Qual | 2018/07/30 16:00 | Alex Rybakov v Ruan Roelofse | 7-5,7-6 |
| Challenger Lexington Qual | 2018/07/29 16:45 | Austin Hussey v Ruan Roelofse | 1-6,1-6 |
| Challenger Lexington Qual | 2018/07/28 18:55 | Ruan Roelofse v Kento Takeuchi | 6-4,6-4 |
| Challenger Binghamton Qual | 2018/07/21 17:20 | Ruan Roelofse v Jared Hiltzik | 5-7,4-6 |
| Challenger Puerto Vallarta Qual | 2018/04/28 19:25 | Jose Olivares v Ruan Roelofse | 6-3,7-5 |
| Challenger Taipei | 2018/04/10 06:50 | Ti Chen v Ruan Roelofse | 7-6,6-3 |
| ITF Indonesia F3 | 2018/08/07 02:00 | Kaito Uesugi v Christian Langmo | 6-1,6-2 |
| ITF Indonesia F2 | 2018/08/04 02:30 | Kaito Uesugi v Christian Langmo | 7-6,7-5 |
| ITF Indonesia F2 | 2018/08/03 02:00 | Hady Habib v Christian Langmo | 4-6,6-3,3-6 |
| ITF Indonesia F2 | 2018/08/02 03:00 | Christian Langmo v Justin Barki | 6-3,7-6 |
| ITF Indonesia F2 | 2018/08/01 02:30 | Lance-Pierre Du Toit v Christian Langmo | 2-6,6-4,3-6 |
| ITF Indonesia F2 Qual | 2018/07/30 04:30 | Naru Shirafuji v Christian Langmo | 6-2,6-7,3-6 |
| ITF Indonesia F2 Qual | 2018/07/29 04:30 | Christian Langmo v Sahil Gaware | 6-4,6-3 |
| ITF Indonesia F2 Qual | 2018/07/28 04:30 | Christian Langmo v James Ibrahim | 6-4,6-0 |