Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF Australia F7 | 2018/10/02 00:00 | Matthew Romios v Hiroyasu Ehara | 1-6,6-7 |
| ITF M15 Jakarta | 2019/08/14 05:25 | Hiroyasu Ehara v Justin Barki | 6-7,6-4,6-0 |
| ITF M15 Akishima | 2019/06/13 01:00 | Yuta Kikuchi v Hiroyasu Ehara | 6-3,6-2 |
| ITF M15 Akishima | 2019/06/12 01:00 | Oh-Hee Kwon v Hiroyasu Ehara | 1-6,3-6 |
| ITF M15 Guam | 2019/06/09 00:00 | Gengo Kikuchi v Hiroyasu Ehara | 6-2,6-2 |
| ITF M15 Guam | 2019/06/08 00:00 | Ko Suzuki v Hiroyasu Ehara | 4-6,1-6 |
| ITF M15 Guam | 2019/06/07 01:35 | Sho Katayama v Hiroyasu Ehara | 3-6,4-6 |
| ITF M15 Guam | 2019/06/06 01:25 | Jake Delaney v Hiroyasu Ehara | 2-6,3-6 |
| ITF M15 Guam | 2019/06/05 05:35 | Jurence Zosimo Mendoza v Hiroyasu Ehara | 4-6,4-6 |
| ITF M15 Jakarta | 2019/08/14 02:30 | Ari Fahresi v Matthew Romios | 4-6,1-6 |
| Challenger Yokkaichi | 2019/08/07 03:55 | Hyeon Chung v Matthew Romios | 6-3,6-1 |
| Challenger Yokkaichi | 2019/08/05 03:25 | Matthew Romios v Benjamin Lock | 6-7,6-2,6-2 |
| Challenger Chengdu | 2019/08/01 06:15 | Matthew Romios v Tatsuma Ito | 2-6,1-6 |
| Challenger Chengdu | 2019/07/29 08:50 | Matthew Romios v Sidharth Rawat | 7-6,6-4 |
| ITF M25 Nonthaburi | 2019/07/25 04:25 | Blake Ellis v Matthew Romios | 6-7,6-1,7-6 |
| ITF M25 Nonthaburi | 2019/07/24 07:25 | Matthew Romios v Kelsey Stevenson | 6-1,7-6 |
| ITF M15 Cancun | 2019/06/11 15:35 | Matthew Romios v Brandon Walkin | 3-6,6-2,3-6 |