Stadium: Court 1 Round: 46
| ITF Japan F1 | 2018/03/07 06:00 | Soichiro Moritani v Brydan Klein | 7-6,7-5 |
| Challenger Yokohama Qual | 2018/02/24 05:00 | Brydan Klein v Makoto Ochi | 4-6,6-7 |
| Challenger Kyoto | 2018/02/21 01:30 | John Millman v Brydan Klein | 7-6,6-7,6-3 |
| Challenger Kyoto | 2018/02/20 01:30 | Brydan Klein v Ze Zhang | 6-3,3-6,7-6 |
| Challenger Launceston | 2018/02/06 02:25 | Brydan Klein v Marinko Matosevic | 4-6,6-4,6-7 |
| Challenger Burnie | 2018/01/29 01:05 | Andrew Whittington v Brydan Klein | 6-7,7-6,6-2 |
| ATP Auckland Qual | 2018/01/05 21:00 | Radu Albot v Brydan Klein | 7-5,6-4 |
| Challenger Playford Qual | 2017/12/31 00:30 | Brydan Klein v Christopher O'Connell | 6-3,6-7,2-6 |
| 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 |