Stadium: Ct 9 Round: 62 Ground: Hardcourt outdoor
| ITF Australia F8 | 2018/10/07 02:00 | Winter Meagher v Patrick Kotan | 3-6,4-6 |
| ITF Australia F7 | 2018/09/29 00:00 | Christian Langmo v Patrick Kotan | 6-1,6-3 |
| ITF Australia F6 | 2018/09/23 00:30 | Zac Osborne v Patrick Kotan | 4-6,6-3,7-5 |
| ITF Australia F5 | 2018/09/16 01:05 | Brydan Klein v Patrick Kotan | 6-3,6-1 |
| ITF Canada F4 Qual | 2018/06/23 19:00 | Matt Seeberger v Patrick Kotan | 6-1,4-6,6-4 |
| ITF Canada F3 Qual | 2018/06/18 19:00 | Patrick Kotan v Riaan Du Toit | 4-6,5-7 |
| ITF Australia F4 Qual | 2018/03/24 23:00 | Patrick Kotan v Chase Ferguson | 1-6,0-6 |
| ITF Australia F4 Qual | 2018/03/23 23:00 | Patrick Kotan v Yani Kimon Doumanis | 6-3,6-4 |
| ITF Australia F8 | 2018/10/07 02:00 | Ryan Laubser v Alexander Crnokrak | 1-6,6-3,2-6 |
| ITF Australia F8 | 2018/10/06 01:00 | Alexander Crnokrak v Dane Sweeny | 7-5,6-4 |
| ITF Australia F7 | 2018/10/02 03:30 | Kuan-Yi Lee v Alexander Crnokrak | 1-6,7-6,6-2 |
| ITF Australia F6 | 2018/09/25 02:25 | Alexander Crnokrak v Thomas Fancutt | 6-2,3-6,4-6 |
| ITF Australia F5 | 2018/09/18 00:00 | Brydan Klein v Alexander Crnokrak | 7-6,6-3 |
| ITF Indonesia F3 Qual | 2018/08/04 07:30 | Palaphoom Kovapitukted v Alexander Crnokrak | 7-5,7-5 |
| ITF Indonesia F2 Qual | 2018/07/29 02:00 | Arief Rahman v Alexander Crnokrak | 1-6,4-6 |
| ITF Vietnam F3 | 2018/05/15 04:35 | Cheng-Yu Yu v Alexander Crnokrak | 6-2,6-1 |