Stadium: Ct A Round: 62 Ground: Hardcourt outdoor
| ITF Australia F6 | 2018/09/24 02:05 | Masayoshi Ono v Zac Osborne | 6-2,6-1 |
| ITF Australia F7 | 2018/09/29 00:00 | Zac Osborne v John Hu | 7-6,6-1 |
| ITF Australia F6 | 2018/09/24 02:05 | Masayoshi Ono v Zac Osborne | 6-2,6-1 |
| ITF Australia F6 | 2018/09/23 00:30 | Zac Osborne v Patrick Kotan | 4-6,6-3,7-5 |
| ITF Australia F5 | 2018/09/14 23:00 | Zac Osborne v Mason Naumovski | 4-6,6-3,6-7 |
| ITF Australia F4 | 2018/03/27 03:20 | Blake Ellis v Zac Osborne | 6-4,6-4 |
| ITF Australia F4 Qual | 2018/03/26 00:00 | Zac Osborne v Jackson B-Tennant | 6-1,6-0 |
| ITF Australia F4 Qual | 2018/03/25 00:30 | Zac Osborne v Marlino Pascual | 6-3,6-4 |
| ITF Australia F4 Qual | 2018/03/24 03:30 | Yasutaka Suzuki v Zac Osborne | 3-6,6-3,3-6 |
| ITF Australia F6 | 2018/09/26 03:45 | Matthew Romios v Masayoshi Ono | 3-6,7-6,6-0 |
| ITF Australia F6 | 2018/09/24 02:05 | Masayoshi Ono v Zac Osborne | 6-2,6-1 |
| ITF Australia F6 | 2018/09/23 00:30 | Masayoshi Ono v Beauregard Treyz | 6-2,6-0 |
| ITF Australia F5 | 2018/09/19 00:00 | Ken Cavrak v Masayoshi Ono | 4-6,6-3,6-4 |
| ITF Australia F5 | 2018/09/16 02:35 | Masayoshi Ono v Winter Meagher | 7-6,6-1 |
| ITF Australia F5 | 2018/09/15 03:30 | Masayoshi Ono v Brenton Chambers | 6-3,6-1 |
| ITF Thailand F3 | 2018/09/04 04:20 | Yuichi Ito v Masayoshi Ono | 7-6,6-3 |
| ITF Thailand F3 | 2018/09/03 02:00 | Roy Hobbs v Masayoshi Ono | 2-6,2-6 |