Round: 46 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/06/14 04:25 | Issei Okamura v Zach Itzstein | 6-3,5-7,5-7 |
| ITF Indonesia F5 | 2016/12/07 07:10 | David Agung Susanto v Issei Okamura | 6-1,6-4 |
| Others | 2016/11/12 07:00 | Issei Okamura v Sergey Betov | 6-4,5-7,3-6 |
| Others | 2016/11/12 04:30 | Issei Okamura v Soichiro Moritani | 7-5,6-2 |
| Others | 2016/11/05 02:00 | Issei Okamura v Masato Shiga | 3-6,1-6 |
| ITF Chinese Taipei F1 | 2016/10/11 02:00 | Tung-Lin Wu v Issei Okamura | 6-2,3-6,6-2 |
| ITF Vietnam F5 | 2016/09/22 03:00 | Issei Okamura v Shinta Fujii | 3-6,6-7 |
| ITF Vietnam F5 | 2016/09/20 03:00 | Issei Okamura v Ren Nakamura | 6-2,6-3 |
| ITF Vietnam F4 | 2016/09/16 03:00 | Yuichi Ito v Issei Okamura | 6-2,4-6,6-4 |
| ITF Indonesia F5 | 2016/12/05 09:00 | Francis Casey Alcantara v Zach Itzstein | 6-2,6-4 |
| ITF Indonesia F5 | 2016/12/05 03:30 | Daniel Kossek v Zach Itzstein | 4-6,6-7 |
| ITF Chinese Taipei F2 | 2016/10/19 03:35 | Zach Itzstein v Shao-Fan Liu | 6-4,4-6,3-6 |
| ITF Chinese Taipei F2 | 2016/10/16 02:00 | Zach Itzstein v Michael Commings | 6-3,6-4 |
| ITF Chinese Taipei F1 | 2016/10/11 02:00 | Ti Chen v Zach Itzstein | 6-2,6-3 |
| ITF Hong Kong F3 | 2016/06/18 22:00 | Jumpei Yamasaki v Zach Itzstein | 7-6,6-1 |
| ITF Hong Kong F3 | 2016/06/17 22:00 | Cing-Yang Meng v Zach Itzstein | 4-6,5-7 |
| ITF Hong Kong F2 Qual | 2016/06/10 22:00 | Zach Itzstein v Jake Delaney | 5-7,3-6 |