Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Matsuyama | 2019/04/09 04:55 | Ji Sung Nam v Mark Whitehouse | 7-6,6-2 |
| ITF M15 - Kashiwa | 2019/04/03 06:15 | Jumpei Yamasaki v Ji Sung Nam | 6-3,2-6,7-6 |
| ITF M15 - Nishi-Tokyo | 2019/03/15 02:20 | Hiroyasu Ehara v Ji Sung Nam | 6-3,3-6,7-6 |
| ITF M15 - Nishi-Tokyo | 2019/03/14 01:00 | Min-Kyu Song v Ji Sung Nam | 4-6,3-6 |
| ITF M15 - Nishi-Tokyo | 2019/03/13 03:50 | Yunosuke Tanaka v Ji Sung Nam | 6-4,1-6,5-7 |
| ITF M15 Nishi-Tama | 2019/03/10 01:00 | Shintaro Imai v Ji Sung Nam | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/09 01:00 | Jumpei Yamasaki v Ji Sung Nam | 2-6,1-6 |
| ITF M15 Nishi-Tama | 2019/03/08 06:25 | Hiroyasu Ehara v Ji Sung Nam | 4-6,2-6 |
| ITF M25 Matsuyama | 2019/04/10 03:30 | Gage Brymer v Kazuki Shimizu | 7-6,5-7,6-0 |
| ITF M25 Matsuyama | 2019/04/09 02:50 | Gage Brymer v Ken Onishi | 7-6,6-2 |
| ITF M15 - Kashiwa | 2019/04/01 00:00 | Kuan-Yi Lee v Gage Brymer | 6-7,7-5,10-5 |
| ITF M15 - Tsukuba | 2019/03/29 01:00 | Gage Brymer v Jumpei Yamasaki | 3-6,7-6,5-7 |
| 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 |