Stadium: Ct 4 Round: 26 Ground: Hardcourt outdoor
| ITF Australia F7 | 2018/10/03 00:00 | Benjamin Mitchell v Edward Bourchier | 6-2,6-0 |
| ITF Australia F2 | 2018/03/07 23:00 | Nicholas S. Hu v Benjamin Mitchell | 6-3,2-6,3-6 |
| ITF Australia F2 | 2018/03/07 00:40 | Nathan Eshmade v Benjamin Mitchell | 6-7,1-6 |
| ITF Australia F1 | 2018/03/03 01:30 | Benjamin Mitchell v Luke Saville | 2-6,3-6 |
| ITF Australia F1 | 2018/03/02 00:30 | Benjamin Mitchell v Dayne Kelly | 7-6,6-3 |
| ITF Australia F1 | 2018/03/01 01:00 | Benjamin Mitchell v Scott Puodziunas | 6-3,7-6 |
| ITF Australia F1 | 2018/02/28 02:30 | Benjamin Mitchell v Calum Puttergill | 6-3,6-1 |
| Challenger Launceston | 2018/02/06 23:00 | Benjamin Mitchell v Dayne Kelly | 6-4,3-6,4-6 |
| ITF Australia F7 | 2018/10/02 00:00 | Issei Okamura v Vincent Stouff | 6-4,6-4 |
| 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 |