Stadium: Court 7 Round: 26 Ground: Clay
| Challenger Canberra 2 | 2018/10/27 02:00 | Erik Holt-Crossman v David Barclay | 4-6,7-6,6-4 |
| ITF Australia F8 | 2018/10/06 01:00 | Robert Stirling v David Barclay | 6-7,6-4,6-3 |
| ITF Australia F7 | 2018/10/04 04:45 | Michael Look v David Barclay | 3-6,7-6,6-3 |
| ITF Australia F7 | 2018/10/03 04:40 | Oliver Casey v David Barclay | 3-6,7-5,5-7 |
| ITF Australia F7 | 2018/10/01 00:00 | Olly Sadler v David Barclay | 6-4,6-1 |
| ITF Australia F7 | 2018/09/29 04:30 | Lewis Miles v David Barclay | 6-3,4-6,0-6 |
| ITF Australia F7 | 2018/09/29 01:00 | Joshua Tran v David Barclay | 2-6,1-6 |
| ITF Australia F6 | 2018/09/26 00:30 | Yuta Shimizu v David Barclay | 6-1,6-2 |
| ITF Vietnam F5 | 2018/10/30 04:35 | Karl Friberg v Goran Markovic | 6-3,6-2 |
| ITF Vietnam F4 | 2018/10/23 02:30 | Roman Safiullin v Goran Markovic | 6-1,6-1 |
| ITF Germany F15 | 2018/10/10 10:25 | Goran Markovic v Bastien Presuhn | 2-6,4-6 |
| ITF Bolivia F3 | 2018/09/26 16:20 | Andres Urrea v Goran Markovic | 6-3,6-3 |
| ITF Bolivia F3 | 2018/09/25 14:00 | Matias Riva v Goran Markovic | 7-6,2-6,3-6 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Goran Markovic v Luciano Doria | 6-7,6-3,4-6 |
| ITF Bolivia F1 | 2018/09/12 21:30 | Goran Markovic v Raul Garcia | 5-7,3-6 |
| ITF Bolivia F1 | 2018/09/11 21:30 | Goran Markovic v Nicolas Doria Medina | 6-3,6-3 |