Stadium: Court 10 Round: 25 Ground: Clay
| ITF Australia F5 | 2018/09/16 01:05 | Brydan Klein v Patrick Kotan | 6-3,6-1 |
| ITF Australia F5 | 2018/09/15 03:30 | Brydan Klein v Jacob Sullivan | 6-3,7-6 |
| Challenger Ilkley Qual | 2018/06/17 15:20 | Brayden Schnur v Brydan Klein | 7-6,7-6 |
| Challenger Ilkley Qual | 2018/06/17 11:35 | Brydan Klein v Stefan Kozlov | 4-6,6-1,7-5 |
| Challenger Nottingham Qual | 2018/06/10 15:00 | Brayden Schnur v Brydan Klein | 2-6,6-4,6-4 |
| Challenger Nottingham Qual | 2018/06/09 15:55 | Marcus Willis v Brydan Klein | 1-6,3-6 |
| Challenger Surbiton Qual | 2018/06/04 10:00 | Taylor Fritz v Brydan Klein | 6-3,6-2 |
| Challenger Surbiton Qual | 2018/06/03 10:00 | Brydan Klein v Evan King | 6-4,6-3 |
| 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 |
| 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 |