Stadium: Center Court Round: 25
| ITF Thailand F6 | 2017/08/17 08:30 | Sho Katayama v Blake Ellis | 3-6,2-6 |
| ITF Thailand F6 | 2017/08/16 02:30 | Sho Katayama v Tung-Lin Wu | 6-3,6-1 |
| ITF Thailand F6 | 2017/08/15 03:50 | Dayne Kelly v Sho Katayama | 5-7,3-6 |
| ITF Thailand F5 | 2017/08/12 02:30 | Kuan-Yi Lee v Sho Katayama | 6-7,6-4,3-6 |
| ITF Thailand F5 | 2017/08/11 02:30 | Pruchya Isarow v Sho Katayama | 4-6,3-6 |
| ITF Thailand F5 | 2017/08/10 02:30 | Jacob Grills v Sho Katayama | 2-6,3-6 |
| ITF Thailand F5 | 2017/08/08 08:50 | Sho Katayama v Sora Fukuda | 6-2,6-0 |
| ITF China F14 | 2017/07/27 02:00 | Sho Katayama v Aoran Wang | 4-6,2-6 |
| ITF Malaysia F2 | 2017/10/22 01:00 | Tyler Lu v Keisuke Numajiri | 6-3,5-7,6-4 |
| ITF Malaysia F2 | 2017/10/21 04:30 | Keisuke Numajiri v Daniel-Andrea R. Redondo | 6-4,6-3 |
| ITF Malaysia F1 | 2017/10/18 02:25 | Keisuke Numajiri v Martins Podzus | 2-6,3-6 |
| ITF Malaysia F1 | 2017/10/16 01:00 | Keisuke Numajiri v Daniel Du Toit | 6-2,6-3 |
| ITF Malaysia F1 | 2017/10/15 01:00 | Keisuke Numajiri v Sebastian Zapata | 6-1,6-1 |
| ITF Turkey F34 | 2017/09/11 10:00 | Sandro Kopp v Keisuke Numajiri | 6-2,6-2 |
| ITF Turkey F32 | 2017/08/27 12:30 | Keisuke Numajiri v Sandro Kopp | 2-6,6-7 |
| ITF Latvia F1 | 2017/07/31 07:00 | Keisuke Numajiri v Alexander Lebedyn | 3-6,6-1,3-6 |