Stadium: Ct 3 Round: 28 Ground: Hardcourt outdoor
| ITF Australia F7 | 2018/10/05 00:00 | Colin Sinclair v Hiroyasu Ehara | 6-3,6-4 |
| ITF Australia F8 | 2018/10/12 00:00 | Calum Puttergill v Hiroyasu Ehara | 2-6,6-3,1-6 |
| ITF Australia F8 | 2018/10/11 00:30 | Moerani Bouzige v Hiroyasu Ehara | 2-6,2-6 |
| ITF Australia F8 | 2018/10/09 00:00 | Aoran Wang v Hiroyasu Ehara | 1-6,3-6 |
| ITF Australia F7 | 2018/10/05 00:00 | Colin Sinclair v Hiroyasu Ehara | 6-3,6-4 |
| ITF Australia F7 | 2018/10/04 00:00 | Rhett Purcell v Hiroyasu Ehara | 3-6,4-6 |
| ITF Australia F7 | 2018/10/02 00:00 | Matthew Romios v Hiroyasu Ehara | 1-6,6-7 |
| ITF Canada F7 | 2018/09/11 18:05 | Hiroyasu Ehara v Felix Corwin | 3-6,3-6 |
| ITF Canada F6 | 2018/09/07 15:00 | Felix Corwin v Hiroyasu Ehara | 6-3,6-4 |
| 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 |
| ITF Australia F7 | 2018/10/07 01:00 | Evan Hoyt v Colin Sinclair | 6-4,7-6 |
| ITF Australia F7 | 2018/10/06 02:25 | Colin Sinclair v Michael Look | 6-2,3-6,7-5 |
| ITF Australia F7 | 2018/10/05 00:00 | Colin Sinclair v Hiroyasu Ehara | 6-3,6-4 |
| ITF Australia F7 | 2018/10/04 00:00 | Colin Sinclair v Kazuki Nishiwaki | 6-3,6-3 |
| ITF Australia F7 | 2018/10/02 00:00 | Colin Sinclair v Dane Sweeny | 6-4,6-4 |