Round: 44 Ground: Hardcourt outdoor
| ITF Thailand F1 | 2017/06/06 05:05 | Thomas Fancutt v Natthasith Kunsuwan | 6-4,6-2 |
| ITF Thailand F1 | 2017/06/04 03:00 | Thanapet Chanta v Natthasith Kunsuwan | 4-6,1-6 |
| ITF Thailand F1 | 2017/06/03 07:00 | Werapath Sirijatiyaporn v Natthasith Kunsuwan | 1-6,4-6 |
| Challenger Bangkok Qual | 2016/12/31 04:45 | Natthasith Kunsuwan v Albano Olivetti | 1-6,4-6 |
| ITF Thailand F5 | 2016/12/17 06:00 | Yan Sabanin v Natthasith Kunsuwan | 6-4,6-4 |
| ITF Thailand F5 | 2016/12/17 03:30 | Natthasith Kunsuwan v Congsup Congcar | 7-5,7-6 |
| ITF Thailand F4 | 2016/12/10 09:00 | Natthasith Kunsuwan v Andrei Levine | 5-7,4-6 |
| ITF Thailand F4 | 2016/12/10 04:30 | Natthasith Kunsuwan v Nutdanai Sincharoenwattana | 6-2,6-2 |
| ITF Thailand F1 | 2017/06/04 05:45 | Hady Habib v Matthew Leffler | 6-1,6-2 |
| ITF Thailand F1 | 2017/06/03 07:00 | Yuttana Charoenphon v Matthew Leffler | 5-7,2-6 |
| ITF Australia F2 Qual | 2017/03/10 23:00 | Matthew Leffler v Patrick Fitzgerald | 4-6,2-6 |
| ITF Australia F1 Qual | 2017/03/04 00:30 | Matthew Leffler v Michael Look | 6-7,4-6 |
| ITF Australia F9 Qual | 2016/11/05 01:30 | Blazo N Djurovic v Matthew Leffler | 7-6,6-4 |
| ITF Australia F8 | 2016/10/09 00:00 | Matthew Leffler v Matthew Dellavedova | 3-6,2-6 |
| ITF Australia F7 | 2016/10/02 00:00 | Lucas Vuradin v Matthew Leffler | 6-1,6-4 |
| ITF Australia F7 | 2016/10/01 03:45 | Brenton Chambers v Matthew Leffler | 1-6,1-6 |