Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger - Burnie | 2018/01/29 01:05 | Whittington, Andrew v Klein, Brydan | 6-7,7-6,6-2 |
| Auckland, New Zealand, Qualifying | 2018/01/05 21:00 | Radu Albot v Klein, Brydan | 7-5,6-4 |
| Challenger Playford Qual | 2017/12/31 00:30 | Klein, Brydan v Christopher O'Connell | 6-3,6-7,2-6 |
| Challenger Bangalore | 2017/11/22 07:00 | Sumit Nagal v Klein, Brydan | 6-4,4-6,7-5 |
| Challenger - Pune | 2017/11/15 11:45 | Ramkumar Ramanathan v Klein, Brydan | 7-6,6-3 |
| Challenger - Pune | 2017/11/14 08:00 | Klein, Brydan v Pedro Martinez | 6-2,6-3 |
| Challenger Canberra 2 | 2017/10/31 04:05 | Ebden, Matthew v Klein, Brydan | 6-3,6-4 |
| Challenger Traralgon | 2017/10/26 02:15 | Sarkissian, Alexander v Klein, Brydan | 6-3,6-4 |
| Launceston, Australia | 2018/02/05 01:05 | Matosevic, Marinko v Renta Tokuda | 6-1,4-6,6-4 |
| Launceston, Australia | 2018/02/04 00:25 | Matosevic, Marinko v Onishi, Ken | 6-4,6-0 |
| Challenger - Burnie - Qualifications | 2018/01/26 23:00 | Matosevic, Marinko v Zhurbin, Alexander | 2-6,4-6 |
| Australian Open Qual | 2018/01/10 00:55 | Matosevic, Marinko v Novikov, Dennis | 3-6,6-7 |
| Challenger Playford | 2018/01/04 23:30 | Matosevic, Marinko v Schnur, Brayden | 7-6,5-7,6-7 |
| Challenger Playford | 2018/01/03 01:55 | Matosevic, Marinko v Kamke, Tobias | 6-2,6-0 |
| Challenger Playford | 2018/01/02 02:55 | Daniil Medvedev v Matosevic, Marinko | 7-5,4-6,4-6 |
| Challenger Playford Qual | 2018/01/01 01:00 | Christopher O'Connell v Matosevic, Marinko | 4-6,0-6 |