Round: 62 Ground: Clay
| ITF Australia F3 Qual | 2018/03/16 23:00 | Zac Osborne v Mason Naumovski | 6-3,6-3 |
| 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 F3 Qual | 2018/03/19 00:00 | Yu Hsiou Hsu v Zac Osborne | 6-4,6-1 |
| ITF Australia F3 Qual | 2018/03/18 00:30 | Arjun Mehrotra v Zac Osborne | 3-6,6-4,2-6 |
| ITF Australia F3 Qual | 2018/03/16 23:00 | Zac Osborne v Mason Naumovski | 6-3,6-3 |
| ITF Australia F2 Qual | 2018/03/02 23:00 | Brian Tran v Zac Osborne | 6-4,6-2 |
| ITF Australia F3 Qual | 2018/03/16 23:00 | Zac Osborne v Mason Naumovski | 6-3,6-3 |
| ITF Australia F1 Qual | 2018/02/24 03:00 | Patrick Harper v Mason Naumovski | 4-6,7-6,7-5 |
| ITF Australia F1 Qual | 2017/03/03 23:00 | Daniel Guccione v Mason Naumovski | 6-4,6-4 |
| ITF Australia F4 Qual | 2016/03/19 03:30 | Mason Naumovski v Stephen Kaldawi | 2-6,1-6 |
| ITF Australia F3 Qual | 2016/03/12 00:00 | Mason Naumovski v Marlino Pascual | 0-6,4-6 |
| ITF Australia F2 Qual | 2016/02/27 23:00 | Stephen Kaldawi v Mason Naumovski | 6-4,6-3 |
| ITF Australia F1 Qual | 2016/02/20 02:00 | Zach Itzstein v Mason Naumovski | 6-1,6-1 |