Stadium: Court 8 Round: 44 Ground: Clay
| UTR Pro Tennis Series - Sydney | 2020/08/22 23:30 | Corey Gaal v David Barclay | 6-4,4-3 |
| UTR Pro Tennis Series - Sydney | 2020/08/21 23:30 | David Barclay v Georgije Babic | 4-6,6-7 |
| UTR Pro Tennis Series - Sydney | 2020/08/21 01:30 | Adam Taylor v David Barclay | 4-6,3-6 |
| UTR Pro Tennis Series - Sydney | 2020/08/19 23:30 | Cameron Edward Smith v David Barclay | 6-3,4-6,1-0 |
| ITF M25 Geelong | 2020/03/08 01:30 | Tomislav E Papac v David Barclay | 7-5,6-2 |
| ITF M25 Mildura | 2020/02/29 23:00 | David Barclay v Omar Fields | 5-7,3-6 |
| Challenger Playford 2 | 2019/10/28 03:55 | David Barclay v Matthew Romios | 6-1,3-6,6-7 |
| ITF M25 Toowoomba | 2019/10/06 03:30 | David Barclay v Glen Dawes | 2-6,7-6,8-10 |