Round: 46 Ground: Hardcourt outdoor
| ITF - Tailândia F9 | 2015/06/14 04:25 | Issei Okamura v Zach Itzstein | 6-3,5-7,5-7 |
| Challenger - Burnie - Qualificação | 2017/01/28 04:10 | Dane Propoggia v Issei Okamura | 6-4,6-2 |
| Challenger - Burnie - Qualificação | 2017/01/27 23:00 | Jeremy Beale v Issei Okamura | 6-1,3-6,2-6 |
| ITF - Tailândia F5 | 2016/12/20 03:00 | Wishaya Trongcharoenchaikul v Issei Okamura | 6-2,7-6 |
| ITF - Tailândia F4 | 2016/12/13 03:00 | Kittiphong Wachiramanowong v Issei Okamura | 6-0,6-0 |
| ITF - Indonésia F5 | 2016/12/07 07:10 | David Agung Susanto v Issei Okamura | 6-1,6-4 |
| Billie Jean King Cup | 2016/11/12 07:00 | Issei Okamura v Sergey Betov | 6-4,5-7,3-6 |
| Billie Jean King Cup | 2016/11/12 04:30 | Issei Okamura v Soichiro Moritani | 7-5,6-2 |
| Billie Jean King Cup | 2016/11/05 02:00 | Issei Okamura v Masato Shiga | 3-6,1-6 |
| Challenger - Launceston - Qualificação | 2017/02/03 23:00 | Danut Cuc v Zach Itzstein | 1-6,2-6 |
| Challenger - Burnie - Qualificação | 2017/01/28 01:55 | Zach Itzstein v Jacob Grills | 1-6,7-6,3-6 |
| ITF - Indonésia F6 | 2016/12/15 05:35 | Zach Itzstein v Jake Delaney | 6-4,3-6,4-6 |
| ITF - Indonésia F6 | 2016/12/13 05:00 | Anthony Susanto v Zach Itzstein | 7-6,2-6,0-6 |
| ITF - Indonésia F6 | 2016/12/11 05:00 | Zach Itzstein v Cheong Hwi Kim | 6-3,6-3 |
| ITF - Indonésia F5 | 2016/12/05 09:00 | Francis Casey Alcantara v Zach Itzstein | 6-2,6-4 |
| ITF - Indonésia F5 | 2016/12/05 03:30 | Daniel Kossek v Zach Itzstein | 4-6,6-7 |
| ITF - Taipé Chinesa F2 | 2016/10/19 03:35 | Zach Itzstein v Shao-Fan Liu | 6-4,4-6,3-6 |