Round: 27 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2019/03/28 01:00 | Michael Look v Gage Brymer | 1-6,1-6 |
| ITF M15 Tsukuba | 2019/03/27 02:30 | Gage Brymer v Shao-Fan Liu | 6-2,4-6,6-3 |
| ITF M15 Tsukuba | 2019/03/25 04:30 | Quentin Folliot v Gage Brymer | 3-6,2-6 |
| ITF M15 Arcadia | 2019/03/12 17:30 | Gage Brymer v Aron Hiltzik | 6-7,2-6 |
| ITF M15 Arcadia | 2019/03/11 17:00 | Gage Brymer v Jesse Ross | 6-4,6-2 |
| ITF M15 Tucson | 2019/02/14 22:50 | Isaiah Strode v Gage Brymer | 4-6,6-3,6-3 |
| ITF M15 Tucson | 2019/02/13 20:00 | Gage Brymer v Pavel Krainik | 7-5,6-2 |
| ITF M15 Tucson | 2019/02/12 16:30 | Gage Brymer v Alexander Cozbinov | 7-5,6-4 |
| ITF M15 Tsukuba | 2019/03/28 01:00 | Yunosuke Tanaka v Jumpei Yamasaki | 2-6,6-1,3-6 |
| ITF M15 Tsukuba | 2019/03/27 02:25 | Jumpei Yamasaki v Masamichi Imamura | 6-1,4-6,6-4 |
| ITF M15 Kofu | 2019/03/24 01:30 | Jumpei Yamasaki v Sho Shimabukuro | 7-6,6-3 |
| ITF M15 Kofu | 2019/03/23 02:55 | Jumpei Yamasaki v Ryota Tanuma | 6-2,6-4 |
| ITF M15 Kofu | 2019/03/22 03:50 | Yusuke Takahashi v Jumpei Yamasaki | 3-6,1-6 |
| ITF M15 Kofu | 2019/03/21 04:10 | Jumpei Yamasaki v Min-Kyu Song | 7-5,6-1 |
| ITF M15 Kofu | 2019/03/19 01:00 | Keisuke Saitoh v Jumpei Yamasaki | 2-6,3-6 |
| ITF M15 Nishi-Tokyo | 2019/03/14 01:00 | Shintaro Imai v Jumpei Yamasaki | 3-6,6-3,6-3 |