Stadium: Center Court Round: 46 Ground: Hardcourt outdoor
| 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 |
| Challenger Playford Qual | 2017/12/30 23:30 | Harry Bourchier v Marinko Matosevic | 3-6,1-6 |
| Challenger Playford Qual | 2017/12/29 23:30 | Nathan Eshmade v Marinko Matosevic | 2-6,2-6 |
| Challenger Launceston Qual | 2018/02/03 04:20 | Ken Onishi v Shinta Fujii | 6-0,4-6,6-3 |
| Challenger Burnie Qual | 2018/01/27 04:00 | Ken Onishi v Gavin Van Peperzeel | 5-7,7-6,4-6 |
| Challenger Burnie Qual | 2018/01/27 01:10 | Ken Onishi v Calum Puttergill | 6-0,6-1 |
| Challenger Kobe | 2017/11/07 03:10 | Ken Onishi v Peter Polansky | 1-6,4-6 |
| ITF Malaysia F3 | 2017/10/31 03:10 | Ken Onishi v Arjun Kadhe | 7-6,0-6,6-7 |
| ITF Malaysia F2 | 2017/10/28 01:00 | Ken Onishi v Jurabek Karimov | 1-6,3-6 |
| ITF Malaysia F2 | 2017/10/27 01:00 | Ken Onishi v Francesco Vilardo | 4-6,7-6,6-2 |
| ITF Malaysia F2 | 2017/10/26 01:00 | Ken Onishi v Marc Dijkhuizen | 3-6,6-4,6-2 |