Round: 62 Ground: Hardcourt outdoor
| ITF Australia F5 | 2018/09/15 03:30 | Brydan Klein v Jacob Sullivan | 6-3,7-6 |
| ITF Australia F5 | 2018/09/14 23:00 | James Ibrahim v Jacob Sullivan | 6-3,0-6,3-6 |
| ITF Australia F4 - Qual. | 2018/03/24 23:00 | Erik Holt-Crossman v Jacob Sullivan | 6-2,6-3 |
| ITF Australia F3 - Qual. | 2018/03/18 00:30 | Jacob Sullivan v Erik Holt-Crossman | 6-4,3-6,4-6 |
| ITF Australia F2 - Qual. | 2018/03/05 02:30 | Benard Bruno Nkomba v Jacob Sullivan | 6-3,6-1 |
| ITF Australia F2 - Qual. | 2018/03/04 00:30 | Jacob Sullivan v David Abfalter | 6-3,6-3 |
| ITF Australia F2 - Qual. | 2018/03/02 23:00 | Jacob Sullivan v Jayden Court | 6-2,5-7,6-4 |
| ITF Australia F1 - Qual. | 2018/02/25 23:00 | Yu Hsiou Hsu v Jacob Sullivan | 7-6,7-6 |
| ITF Australia F5 | 2018/09/15 00:30 | William Ma v Sam Hoskins | 6-0,6-0 |
| ITF Australia F4 - Qual. | 2017/09/17 00:30 | Daniel Kouznetsov v Sam Hoskins | 6-3,6-1 |
| ITF Australia F6 Qual | 2016/09/24 01:00 | James Ibrahim v Sam Hoskins | 6-3,6-4 |
| ITF Australia F9 - Qual. | 2015/10/17 00:00 | Sam Hoskins v Michael Look | 2-6,4-6 |