Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| 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 Bangalore | 2017/11/22 07:00 | Sumit Nagal v Brydan Klein | 6-4,4-6,7-5 |
| Challenger Pune | 2017/11/15 11:45 | Ramkumar Ramanathan v Brydan Klein | 7-6,6-3 |
| Challenger Pune | 2017/11/14 08:00 | Brydan Klein v Pedro Martinez | 6-2,6-3 |
| Challenger Canberra 2 | 2017/10/31 04:05 | Matthew Ebden v Brydan Klein | 6-3,6-4 |
| Challenger Traralgon | 2017/10/26 02:15 | Alexander Sarkissian v Brydan Klein | 6-3,6-4 |
| Challenger Launceston Qual | 2018/02/05 01:05 | Marinko Matosevic v Renta Tokuda | 6-1,4-6,6-4 |
| Challenger Launceston Qual | 2018/02/04 00:25 | Marinko Matosevic v Ken Onishi | 6-4,6-0 |
| Challenger Burnie Qual | 2018/01/26 23:00 | Marinko Matosevic v Alexander Zhurbin | 2-6,4-6 |
| Australian Open Qual | 2018/01/10 00:55 | Marinko Matosevic v Dennis Novikov | 3-6,6-7 |
| Challenger Playford | 2018/01/04 23:30 | Marinko Matosevic v Brayden Schnur | 7-6,5-7,6-7 |
| Challenger Playford | 2018/01/03 01:55 | Marinko Matosevic v Tobias Kamke | 6-2,6-0 |
| Challenger Playford | 2018/01/02 02:55 | Daniil Medvedev v Marinko Matosevic | 7-5,4-6,4-6 |
| Challenger Playford Qual | 2018/01/01 01:00 | Christopher O'Connell v Marinko Matosevic | 4-6,0-6 |