Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
| ITF M15 Guam | 2019/06/08 00:00 | Gengo Kikuchi v Kento Takeuchi | 6-2,7-5 |
| ITF M15 Guam | 2019/06/07 01:50 | Jordi Samper-Montana v Gengo Kikuchi | 2-6,0-6 |
| ITF M15 Guam | 2019/06/06 02:55 | Kento Tagashira v Gengo Kikuchi | 2-6,2-6 |
| ITF M15 Guam | 2019/06/05 00:00 | Kyler Jirasook v Gengo Kikuchi | 2-6,2-6 |
| ITF - M15 Karuizawa | 2019/05/31 02:40 | Gengo Kikuchi v Sora Fukuda | 6-4,4-6,0-6 |
| ITF - M15 Karuizawa | 2019/05/30 06:15 | Gengo Kikuchi v Ren Nakamura | 6-2,6-2 |
| ITF - M15 Karuizawa | 2019/05/29 02:30 | Gengo Kikuchi v Taketo Takamisawa | 6-0,6-1 |
| ITF M25 Matsuyama | 2019/04/09 05:05 | Masamichi Imamura v Gengo Kikuchi | 7-6,6-1 |
| 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 - M25 Nonthaburi | 2019/05/23 06:05 | Rio Noguchi v Hiroyasu Ehara | 7-5,6-2 |
| ITF - M25 Nonthaburi | 2019/05/22 08:05 | Hiroyasu Ehara v Alexander Crnokrak | 7-5,6-2 |
| ITF - M25 Luan | 2019/05/14 05:15 | Hiroyasu Ehara v Issei Okamura | 4-6,2-6 |
| ITF M25 Wuhan | 2019/05/09 02:00 | Wishaya Trongcharoenchaikul v Hiroyasu Ehara | 7-6,6-7,7-5 |