Round: 54 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/07/15 19:00 | Kalman Boyd v Jacob Sullivan | 6-2,6-2 |
| ITF M15 Cancun | 2019/07/15 14:30 | Milos Nikolic v Jacob Sullivan | 4-6,6-1,8-10 |
| ITF Australia F8 | 2018/10/06 04:00 | Clint Letcher v Jacob Sullivan | 6-4,6-4 |
| ITF Australia F8 | 2018/10/06 00:00 | Jacob Sullivan v Bosko Novakovic | 6-4,7-5 |
| ITF Australia F6 | 2018/09/26 05:35 | Jacob Sullivan v Jeremy Beale | 3-6,4-6 |
| ITF Australia F6 | 2018/09/24 04:10 | Jacob Sullivan v Michael Shepheard | 6-4,6-3 |
| ITF Australia F6 | 2018/09/23 03:30 | Olly Sadler v Jacob Sullivan | 3-6,3-6 |
| ITF Australia F6 | 2018/09/22 00:30 | Jacob Sullivan v Sam Hoskins | 6-0,6-2 |
| ITF Argentina F7 | 2018/10/27 15:30 | Francisco Erramuspe v Mateo Berne | 4-6,6-7 |
| ITF Peru F2 | 2018/09/29 18:00 | Francisco Erramuspe v Enrico dos Santos Lima | 2-6,4-6 |