Stadium: Court 3 Round: 62 Ground: Clay
| ITF Australia F4 Qual | 2018/03/24 03:30 | Nicholas Jovanovski v Brian Tran | 6-3,4-6,5-7 |
| ITF Australia F3 Qual | 2018/03/18 00:30 | Brian Tran v Ken Cavrak | 6-4,4-6,4-6 |
| ITF Australia F3 Qual | 2018/03/16 23:00 | Daniel Kouznetsov v Brian Tran | 4-6,7-5,3-6 |
| ITF Australia F2 | 2018/03/07 03:30 | Brian Tran v Luke Saville | 0-6,1-6 |
| ITF Australia F2 Qual | 2018/03/05 03:50 | Jason Taylor v Brian Tran | 3-6,4-6 |
| ITF Australia F2 Qual | 2018/03/04 00:30 | Brian Tran v Socrates Leon Tsoronis | 7-6,6-3 |
| ITF Australia F2 Qual | 2018/03/02 23:00 | Brian Tran v Zac Osborne | 6-4,6-2 |
| ITF Australia F1 Qual | 2018/02/26 01:50 | Lucas Vuradin v Brian Tran | 6-4,6-3 |
| ITF Australia F4 Qual | 2018/03/24 03:30 | David Barclay v Stefan Storch | 6-2,6-0 |
| ITF Australia F3 Qual | 2018/03/18 00:30 | Lewis Miles v David Barclay | 6-4,6-4 |
| ITF Australia F3 Qual | 2018/03/17 01:30 | David Barclay v Socrates Leon Tsoronis | 7-5,6-4 |
| ITF Australia F2 Qual | 2018/03/03 00:00 | Michael Commings v David Barclay | 3-6,6-2,6-4 |
| ITF Australia F1 Qual | 2018/02/25 23:00 | Kody Pearson v David Barclay | 1-6,6-4,6-4 |
| ITF Australia F1 Qual | 2018/02/24 00:00 | David Barclay v Jayden Court | 6-7,7-5,6-3 |
| Challenger Canberra Qual | 2018/01/06 00:15 | David Barclay v Jaimee Floyd Angele | 5-7,6-4,5-7 |
| Challenger Canberra 2 Qual | 2017/10/28 00:20 | Dane Propoggia v David Barclay | 6-2,6-4 |