Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tay Ninh | 2019/10/09 07:35 | Daniel Nguyen v Hiroyasu Ehara | 6-4,6-2 |
| ITF M15 Hua Hin | 2019/08/29 03:00 | Yuttana Charoenphon v Hiroyasu Ehara | 1-6,0-6 |
| ITF M15 Hua Hin | 2019/08/28 03:00 | Seon Yong Han v Hiroyasu Ehara | 1-6,5-7 |
| ITF M15 Jakarta | 2019/08/21 02:30 | Haadin Bava v Hiroyasu Ehara | 7-5,6-4 |
| ITF M15 Jakarta | 2019/08/15 02:30 | Hiroyasu Ehara v Matthew Romios | 2-6,1-6 |
| 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 |
| Wimbledon | 2019/06/24 10:00 | Arthur De Greef v Marcos Giron | 2-6,3-6 |
| Challenger Lyon | 2019/06/12 10:00 | Arthur De Greef v Uladzimir Ignatik | 6-7,6-0,6-7 |
| Challenger Prostejov | 2019/06/03 12:20 | Arthur De Greef v Johannes Haerteis | 4-6,4-6 |
| French Open | 2019/05/22 15:20 | Enzo Couacaud v Arthur De Greef | 6-0,6-3 |
| French Open | 2019/05/21 09:40 | Arthur De Greef v Illya Marchenko | 5-7,6-3,6-2 |
| Challenger Heilbronn | 2019/05/19 13:00 | Filip Krajinovic v Arthur De Greef | 6-3,6-1 |
| Challenger Heilbronn | 2019/05/18 15:25 | Arthur De Greef v Dennis Novak | 6-3,7-5 |
| Challenger Heilbronn | 2019/05/17 15:35 | Arthur De Greef v Matthias Bachinger | 3-6,6-1,6-2 |