Stadium: Ct 10 Round: 25 Ground: Hardcourt outdoor
| ITF Australia F6 | 2018/09/25 00:30 | Connor Farren v Issei Okamura | 3-6,7-6,6-2 |
| ITF Australia F5 | 2018/09/21 01:00 | Brydan Klein v Issei Okamura | 6-3,6-2 |
| ITF Australia F5 | 2018/09/20 03:55 | Aaron Addison v Issei Okamura | 2-6,7-6,2-6 |
| ITF Australia F5 | 2018/09/18 00:00 | Scott Puodziunas v Issei Okamura | 6-7,7-5,4-6 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Issei Okamura v Jung-Woong Na | 3-6,6-1,1-6 |
| Challenger Jinan | 2018/08/06 02:00 | Tak Khunn Wang v Issei Okamura | 6-1,6-2 |
| Challenger Jinan | 2018/08/05 02:00 | Chien Hsun Lo v Issei Okamura | 6-7,1-6 |
| Challenger Chengdu Qual | 2018/07/28 03:35 | Issei Okamura v Blake Ellis | 6-4,1-6,5-7 |
| ITF Australia F7 | 2018/10/01 00:00 | Vincent Stouff v Gage Brymer | 6-2,6-4 |
| ITF Australia F7 | 2018/09/29 00:00 | James Frawley v Vincent Stouff | 7-6,2-6,1-6 |
| ITF Australia F6 | 2018/09/27 01:00 | Vincent Stouff v Lucas Vuradin | 6-3,4-6,6-7 |
| ITF Australia F6 | 2018/09/26 02:40 | Scott Puodziunas v Vincent Stouff | 2-6,4-6 |
| ITF Australia F6 | 2018/09/24 02:15 | Vincent Stouff v Patrick Luke | 6-4,6-2 |
| ITF Australia F6 | 2018/09/23 03:30 | Jesse Flores v Vincent Stouff | 1-6,3-6 |
| ITF Australia F5 | 2018/09/20 00:00 | Ryan James Storrie v Vincent Stouff | 6-4,7-6 |
| ITF Australia F5 | 2018/09/18 00:00 | Matthew Mendez v Vincent Stouff | 4-6,3-6 |