Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF Thailand F5 | 2018/09/30 02:30 | Seung-Hun Shin v Natthasith Kunsuwan | 7-6,6-1 |
| ITF Thailand F5 | 2018/09/29 02:30 | Bingyu Yu v Natthasith Kunsuwan | 6-3,3-6,3-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Natthasith Kunsuwan v Tsung-Hao Huang | 6-7,5-7 |
| ITF Thailand F3 | 2018/09/04 07:45 | Soichiro Moritani v Natthasith Kunsuwan | 6-2,6-2 |
| ITF Thailand F2 | 2018/08/28 02:00 | Natthasith Kunsuwan v Dayne Kelly | 3-6,1-6 |
| ITF Thailand F1 | 2018/08/22 03:30 | Natthasith Kunsuwan v Thomas Fancutt | 2-6,5-7 |
| ITF Thailand F1 | 2018/08/21 07:10 | Natthasith Kunsuwan v Hao Yuan Ng | 6-2,7-5 |
| ITF Thailand F1 | 2018/08/20 06:25 | Natthasith Kunsuwan v Amaury De Beer | 6-0,6-2 |
| ITF Thailand F5 | 2018/09/29 02:30 | Stephen Kaldawi v Daniel Kossek | 6-4,6-4 |
| ITF Poland F8 | 2018/08/19 08:00 | Mikolaj Borkowski v Daniel Kossek | 6-4,6-2 |
| ITF Indonesia F3 Qual | 2018/08/05 02:30 | Daniel Kossek v Skyler Butts | 2-6,0-6 |
| ITF Indonesia F3 Qual | 2018/08/04 04:30 | Ankit Chopra v Daniel Kossek | 1-6,3-6 |
| ITF Indonesia F2 Qual | 2018/07/29 07:00 | Daniel Kossek v Ankit Chopra | 0-6,7-6,6-7 |
| ITF Indonesia F1 Qual | 2018/07/21 08:30 | Daniel Kossek v Roy Hobbs | 6-4,1-6,3-6 |
| ITF Malaysia F3 | 2018/07/15 07:30 | Ankit Chopra v Daniel Kossek | 6-0,6-1 |
| ITF Malaysia F3 | 2018/07/15 02:00 | Jagmeet Singh v Daniel Kossek | 6-7,6-3,4-6 |