Round: 26 Ground: Hardcourt outdoor
| ITF Australia F10 | 2015/11/18 23:00 | Dayne Kelly v Issei Okamura | 6-4,6-0 |
| ITF China F6 | 2017/05/09 03:30 | Dayne Kelly v Harry Bourchier | 7-6,7-6 |
| ITF Australia F3 | 2017/03/21 23:30 | Bradley Mousley v Dayne Kelly | 6-7,7-6,6-1 |
| ITF Australia F2 | 2017/03/16 01:25 | Dayne Kelly v Greg Jones | 3-6,6-2,2-6 |
| ITF Australia F2 | 2017/03/15 01:00 | Dayne Kelly v Jeremy Beale | 6-4,6-2 |
| ITF Australia F1 | 2017/03/12 02:25 | Bradley Mousley v Dayne Kelly | 6-4,4-6,6-7 |
| ITF Australia F1 | 2017/03/11 04:30 | Finn Tearney v Dayne Kelly | 1-6,0-6 |
| ITF Australia F1 | 2017/03/10 01:40 | Alex Bolt v Dayne Kelly | 7-6,6-7,6-7 |
| ITF Australia F1 | 2017/03/09 01:40 | Dane Propoggia v Dayne Kelly | 4-6,6-7 |
| ITF China F6 | 2017/05/08 05:30 | Ruikai Wang v Issei Okamura | 3-6,1-6 |
| Challenger Anning Qual | 2017/04/22 03:35 | Issei Okamura v Denys Molchanov | 6-4,3-6,4-6 |
| Challenger Taipei Qual | 2017/04/17 04:35 | Ruan Roelofse v Issei Okamura | 6-4,6-2 |
| Challenger Taipei Qual | 2017/04/16 05:55 | Shao-Fan Liu v Issei Okamura | 6-7,6-4,3-6 |
| ITF Japan F5 | 2017/04/04 00:30 | Issei Okamura v Takao Suzuki | 6-7,3-6 |
| ITF Japan F4 | 2017/03/28 03:00 | Kaito Uesugi v Issei Okamura | 6-3,6-3 |
| ITF Japan F3 | 2017/03/22 06:00 | Shane Vinsant v Issei Okamura | 6-2,6-3 |
| ITF Japan F3 | 2017/03/20 02:35 | Daisuke Sumizawa v Issei Okamura | 2-6,2-6 |