Stadium: Ct 6 Round: 25 Ground: Hardcourt outdoor
| ITF Vietnam F3 | 2018/05/14 03:00 | Takashi Saito v Matthew Romios | 7-6,6-1 |
| ITF Vietnam F2 | 2018/05/07 05:45 | Chun Hun Wong v Matthew Romios | 7-6,6-4 |
| ITF Vietnam F1 | 2018/05/01 06:20 | Nam Hoang Ly v Matthew Romios | 6-4,6-1 |
| ITF Australia F4 | 2018/03/29 02:15 | Matthew Barton v Matthew Romios | 6-1,6-0 |
| ITF Australia F4 | 2018/03/27 02:25 | Matthew Romios v Benard Bruno Nkomba | 6-3,6-2 |
| ITF Australia F3 | 2018/03/24 04:50 | Marc Polmans v Matthew Romios | 6-3,6-2 |
| ITF Australia F3 | 2018/03/23 01:00 | Matthew Romios v Aaron Addison | 6-4,3-6,6-0 |
| ITF Australia F3 | 2018/03/22 00:00 | Matthew Romios v Calum Puttergill | 6-4,6-2 |
| Challenger Busan Qual | 2018/05/13 03:25 | Hiroyasu Ehara v Blake Ellis | 6-7,6-3,3-6 |
| Challenger Gimcheon Qual | 2018/05/06 04:30 | Hiroyasu Ehara v Makoto Ochi | 7-6,3-6,4-6 |
| ITF Japan F6 | 2018/04/15 04:00 | Hiroyasu Ehara v Renta Tokuda | 0-6,6-7 |
| ITF Japan F6 | 2018/04/14 01:00 | Kazuki Nishiwaki v Hiroyasu Ehara | 2-6,6-7 |
| ITF Japan F6 | 2018/04/13 01:00 | Hiroyasu Ehara v Sora Fukuda | 7-6,6-2 |
| ITF Japan F6 | 2018/04/12 01:00 | Hiroyasu Ehara v Yuta Shimizu | 5-7,7-6,6-1 |
| ITF Japan F6 Qual | 2018/04/11 01:00 | Hiroyasu Ehara v Hajime Nakashima | 6-1,6-2 |
| ITF Japan F5 | 2018/04/05 02:00 | Shintaro Imai v Hiroyasu Ehara | 3-6,5-7 |