Round: 62 Ground: Hardcourt outdoor
| ITF Japan F5 | 2015/06/02 01:00 | Shunrou Takeshima v Gengo Kikuchi | 7-5,6-4 |
| ITF Guam F1 | 2015/05/31 01:00 | Gengo Kikuchi v Takao Suzuki | 3-6,3-6 |
| ITF Guam F1 | 2015/05/30 04:20 | Gengo Kikuchi v Ko Suzuki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/29 04:25 | Kelsey Stevenson v Gengo Kikuchi | 2-6,3-6 |
| ITF Guam F1 | 2015/05/28 01:15 | Ken Onoda v Gengo Kikuchi | 4-6,6-7 |
| ITF Guam F1 | 2015/05/26 02:15 | Atsushi Ushida v Gengo Kikuchi | 0-6,4-6 |
| ITF Thailand F9 | 2015/04/29 04:15 | Finn Tearney v Gengo Kikuchi | 6-4,7-6 |
| ITF Thailand F9 | 2015/04/27 03:00 | Gengo Kikuchi v Ji Sung Nam | 6-4,6-7,6-3 |