Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/04/21 08:30 | Kento Takeuchi v Gengo Kikuchi | 6-2,6-4 |
| ITF Japan F4 | 2015/03/30 05:00 | Yuichi Ito v Gengo Kikuchi | 1-6,6-3,6-3 |
| ITF Japan F3 | 2015/03/25 02:10 | Ryota Tanuma v Gengo Kikuchi | 6-3,7-5 |
| ITF Japan F2 | 2015/03/17 01:00 | Duckhee Lee v Gengo Kikuchi | 6-2,3-6,6-3 |
| ITF Japan F1 | 2015/03/13 03:55 | Gengo Kikuchi v Duckhee Lee | 6-7,0-6 |
| ITF Japan F1 | 2015/03/12 02:45 | Yunseong Chung v Gengo Kikuchi | 6-1,6-7,5-7 |
| ITF Turkey F32 | 2014/09/17 10:55 | Gengo Kikuchi v Timur Kiyamov | 2-6,1-6 |
| ITF Hong Kong F2 | 2014/07/16 02:00 | Gengo Kikuchi v Ruan Roelofse | 4-6,1-6 |
| ITF Thailand F9 | 2015/04/21 06:50 | Akira Santillan v Ji Sung Nam | 7-6,6-1 |
| Davis Cup | 2015/03/08 05:15 | Warit Sornbutnark v Ji Sung Nam | 6-4,6-3 |
| ITF USA F4 | 2015/01/15 18:00 | Alexander Sarkissian v Ji Sung Nam | 6-4,6-2 |
| ITF USA F4 | 2015/01/14 18:00 | Ji Sung Nam v Marcos Giron | 6-4,6-2 |
| ITF USA F2 | 2015/01/07 19:20 | Ji Sung Nam v Alexander Sarkissian | 7-6,7-5 |
| ITF China F9 | 2014/07/25 03:30 | Ji Sung Nam v Nikola Milojevic | 2-6,7-6,5-7 |
| ITF China F9 | 2014/07/24 02:00 | Takuto Niki v Ji Sung Nam | 5-7,4-6 |
| ITF China F9 | 2014/07/23 03:40 | Weiqiang Zheng v Ji Sung Nam | 2-6,2-6 |