Stadium: Court 1 Round: 54
| Challenger Taipei Qual | 2018/04/07 02:00 | Chen Chang v Ruan Roelofse | 0-6,3-6 |
| ITF USA F8 | 2018/03/23 17:30 | Mathias Bourgue v Ruan Roelofse | 6-3,6-4 |
| ITF USA F8 | 2018/03/20 20:00 | Ruan Roelofse v Isaiah Strode | 6-2,6-4 |
| ITF USA F8 Qual | 2018/03/19 20:20 | Ruan Roelofse v Jake Sands | 1-6,6-4,6-2 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Ruan Roelofse v Alessandro-D Ventre | 6-1,6-2 |
| Challenger Drummondville | 2018/03/14 16:05 | Samuel Monette v Ruan Roelofse | 6-3,6-4 |
| Challenger Drummondville Qual | 2018/03/12 22:30 | Jared Hiltzik v Ruan Roelofse | 2-6,2-6 |
| Challenger Drummondville Qual | 2018/03/12 17:05 | Washi Gervais v Ruan Roelofse | 6-7,2-6 |
| Challenger Taipei Qual | 2018/04/08 03:00 | Cheng-Yu Yu v Jacob Grills | 6-4,5-7,3-6 |
| Challenger Taipei Qual | 2018/04/07 02:00 | Jacob Grills v Yunseong Chung | 6-3,2-6,6-2 |
| ITF Japan F5 | 2018/04/02 03:10 | Shintaro Imai v Jacob Grills | 6-1,6-1 |
| ITF Japan F4 | 2018/03/30 01:00 | Renta Tokuda v Jacob Grills | 6-3,6-2 |
| ITF Japan F4 | 2018/03/29 01:00 | Chuhan Wang v Jacob Grills | 6-2,3-6,4-6 |
| ITF Japan F4 | 2018/03/27 01:00 | Jacob Grills v Shuichi Sekiguchi | 7-6,4-6,6-3 |
| Challenger Qujing Qual | 2018/03/17 02:00 | Rui-Xuan Wang v Jacob Grills | 3-6,7-6,6-2 |
| Challenger Shenzhen Qual | 2018/03/11 02:45 | Jacob Grills v Yusuke Takahashi | 4-6,6-4,2-6 |