Ground: Clay
| ITF Japan F8 | 2015/06/25 01:00 | Sho Katayama v Masaki Sasai | 6-3,6-1 |
| ITF Japan F8 | 2015/06/24 01:10 | Hiromasa Oku v Sho Katayama | 6-7,0-6 |
| ITF Japan F6 | 2015/06/10 02:20 | Sho Katayama v Toshihide Matsui | 7-5,3-6,4-6 |
| ITF Guam F1 | 2015/05/29 05:10 | Ko Suzuki v Sho Katayama | 6-3,4-6,6-2 |
| ITF Guam F1 | 2015/05/28 00:00 | Thomas Fancutt v Sho Katayama | 6-3,2-6,4-6 |
| ITF Thailand F9 | 2015/05/04 03:00 | Sho Katayama v Jacob Grills | 5-7,4-6 |
| ITF Thailand F9 | 2015/04/28 05:30 | Jacob Grills v Sho Katayama | 6-1,3-6,6-4 |
| ITF Thailand F9 | 2015/04/21 05:25 | Sho Katayama v Yong-Kyu Lim | 4-6,3-6 |
| ITF Japan F8 | 2015/06/25 02:00 | Shunrou Takeshima v Ko Suzuki | 6-3,6-2 |
| ITF Japan F8 | 2015/06/24 02:50 | Shunrou Takeshima v Leo Julien Sebaoun | 6-3,6-2 |
| ITF Japan F7 | 2015/06/17 01:00 | Shunrou Takeshima v Katsuki Nagao | 6-7,3-6 |
| ITF Japan F6 | 2015/06/09 05:00 | Shunrou Takeshima v Ryota Tanuma | 3-6,1-6 |
| ITF Japan F5 | 2015/06/04 01:00 | Takashi Saito v Shunrou Takeshima | 7-5,6-1 |
| ITF Japan F5 | 2015/06/02 01:00 | Shunrou Takeshima v Gengo Kikuchi | 7-5,6-4 |
| ITF Thailand F9 | 2015/04/25 06:30 | Soravich Kaewwongwattana v Shunrou Takeshima | 1-6,2-6 |
| ITF Thailand F9 | 2015/04/23 04:00 | Shunrou Takeshima v Pol Wattanakul | 1-6,4-6 |