Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/04/28 05:30 | Jacob Grills v Sho Katayama | 6-1,3-6,6-4 |
| 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 F4 | 2015/04/01 01:00 | Sho Katayama v Kento Takeuchi | 3-6,3-6 |
| ITF Japan F4 | 2015/03/31 03:50 | Sho Katayama v Xin Gao | 6-2,6-1 |
| ITF Japan F3 | 2015/03/26 01:00 | Di Wu v Sho Katayama | 6-2,7-5 |
| ITF Japan F3 | 2015/03/24 01:00 | Duckhee Lee v Sho Katayama | 0-6,6-3,4-6 |
| ITF Japan F3 | 2015/03/23 01:00 | Sho Katayama v Yuki Nakamura | 6-2,6-0 |
| ITF Japan F8 | 2014/06/27 03:05 | Sho Katayama v Yuya Kibi | 3-6,6-2,1-6 |
| ITF Thailand F9 | 2015/04/29 03:00 | Jacob Grills v Raymond Sarmiento | 3-6,5-7 |
| ITF Thailand F9 | 2015/04/28 05:30 | Jacob Grills v Sho Katayama | 6-1,3-6,6-4 |
| ITF Thailand F9 | 2015/04/20 03:00 | Jacob Grills v Hiromasa Oku | 6-2,3-6,1-6 |
| ITF Australia F5 | 2015/04/01 02:45 | Alex Bolt v Jacob Grills | 6-3,7-6 |
| ITF Australia F4 | 2015/03/23 23:00 | Matthew Romios v Jacob Grills | 5-7,3-6 |
| ITF Australia F2 | 2015/03/05 02:40 | Jacob Grills v Harry Bourchier | 3-6,2-6 |
| ITF Australia F2 | 2015/03/03 01:40 | Aaron Addison v Jacob Grills | 2-6,0-6 |
| ITF Australia F1 | 2015/02/28 01:50 | Brydan Klein v Jacob Grills | 6-2,6-2 |