Stadium: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Darwin | 2019/09/23 05:45 | Worarin Kumthonkittikul v Matthew Leffler | 7-5,6-2 |
| ITF M25 Darwin | 2019/09/22 00:30 | Matthew Leffler v Bosko Novakovic | 6-3,5-7,10-8 |
| ITF M25 Cairns | 2019/09/15 01:00 | Will Maher v Matthew Leffler | 6-2,6-1 |
| ITF Singapore F3 | 2018/05/26 04:00 | Matthew Leffler v Teeradon Tortrakul | 2-6,3-6 |
| ITF Australia F4 Qual | 2018/03/24 03:30 | Themi Sitzoukis v Matthew Leffler | 6-4,7-6 |
| ITF Australia F3 Qual | 2018/03/16 23:00 | Nicholas Jovanovski v Matthew Leffler | 7-6,6-1 |
| ITF Australia F2 Qual | 2018/03/04 00:30 | Benard Bruno Nkomba v Matthew Leffler | 6-4,6-3 |
| ITF Australia F1 Qual | 2018/02/26 01:10 | Matthew Leffler v Patrick Harper | 4-6,6-3,2-6 |