Stadium: Court 5 Round: 45 Ground: Hardcourt outdoor
| Challenger Traralgon | 2018/10/21 23:00 | Yosuke Watanuki v Colin Sinclair | 6-3,7-5 |
| Challenger Traralgon | 2018/10/21 05:00 | Moerani Bouzige v Colin Sinclair | 4-6,1-6 |
| Challenger Traralgon | 2018/10/21 01:50 | Calum Puttergill v Colin Sinclair | 4-6,1-6 |
| ITF Australia F8 | 2018/10/14 03:45 | Maverick Banes v Colin Sinclair | 6-4,6-2 |
| ITF Australia F8 | 2018/10/14 00:00 | Hiroyasu Ehara v Colin Sinclair | 6-2,1-6,3-6 |
| ITF Australia F8 | 2018/10/12 01:15 | Colin Sinclair v Kuan-Yi Lee | 6-1,6-2 |
| ITF Australia F8 | 2018/10/11 04:10 | Colin Sinclair v Gage Brymer | 7-6,6-3 |
| ITF Australia F8 | 2018/10/10 01:00 | Colin Sinclair v Kazuki Nishiwaki | 6-7,6-4,6-4 |
| Challenger Traralgon | 2018/10/23 00:30 | Yannick Mertens v Harry Bourchier | 6-3,6-7,7-6 |
| ITF Australia F8 | 2018/10/09 01:50 | Matthew Romios v Harry Bourchier | 7-5,3-6,6-2 |
| ITF Australia F8 | 2018/10/08 02:30 | Harry Bourchier v Clint Letcher | 6-4,6-1 |
| ITF Australia F8 | 2018/10/06 04:00 | Harry Bourchier v Erik Holt-Crossman | 6-2,6-2 |
| Challenger Stockton | 2018/09/30 22:50 | Harry Bourchier v Patrick Kypson | 3-6,5-7 |
| ITF USA F25 | 2018/09/17 18:00 | Harry Bourchier v Dragos Constantin Ignat | 3-6,6-3,3-6 |
| ITF USA F25 | 2018/09/16 17:30 | Harry Bourchier v Aditya Gupta | 6-1,6-1 |
| ITF USA F25 | 2018/09/15 17:30 | Harry Bourchier v Jan Soeren Hain | 6-1,6-3 |