Stadium: Court 7 Round: 45 Ground: Hardcourt outdoor
| ITF Vietnam F3 | 2018/05/15 04:35 | Cheng-Yu Yu v Alexander Crnokrak | 6-2,6-1 |
| ITF Vietnam F3 | 2018/05/13 05:00 | Darren Polkinghorne v Alexander Crnokrak | 6-3,5-7,2-6 |
| ITF Vietnam F1 | 2018/04/28 06:00 | Nicholas Bybel v Alexander Crnokrak | 6-1,6-3 |
| ITF Australia F4 Qual | 2018/03/24 23:00 | Jesse Delaney v Alexander Crnokrak | 6-7,6-4,6-4 |
| ITF Australia F3 Qual | 2018/03/19 00:00 | Alexander Crnokrak v Jayden Court | 7-6,5-7,2-6 |
| ITF Australia F2 Qual | 2018/03/02 23:00 | Alexander Crnokrak v Jason Taylor | 3-6,3-6 |
| ITF Australia F1 | 2018/02/27 02:25 | Chanchai Sookton-Eng v Alexander Crnokrak | 6-1,6-4 |
| Challenger Canberra | 2018/01/09 00:00 | Alexander Crnokrak v Geoffrey Blancaneaux | 1-6,2-6 |
| ITF Sri Lanka F1 | 2018/06/11 07:30 | Calum Puttergill v Alexander Erler | 3-6,1-6 |
| ITF Singapore F3 | 2018/05/29 02:00 | Daniel Nolan v Calum Puttergill | 6-4,3-6,6-1 |
| ITF Singapore F2 | 2018/05/23 06:25 | Kazuki Nishiwaki v Calum Puttergill | 6-3,7-6 |
| ITF Singapore F2 | 2018/05/22 04:00 | Roy Hobbs v Calum Puttergill | 2-6,2-6 |
| ITF Singapore F2 | 2018/05/20 10:00 | Calum Puttergill v Moerani Bouzige | 6-4,4-6,7-6 |
| ITF Singapore F1 | 2018/05/16 02:00 | Connor Farren v Calum Puttergill | 6-0,7-6 |
| ITF Singapore F1 | 2018/05/15 02:00 | Punnakrit Kritakara v Calum Puttergill | 1-6,2-6 |
| ITF Australia F4 | 2018/03/28 00:00 | Calum Puttergill v Max Purcell | 2-6,4-6 |