Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF Thailand F5 | 2018/09/29 02:30 | Pasawee Reansuwong v Seung-Hun Shin | 2-6,1-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Palaphoom Kovapitukted v Seung-Hun Shin | 6-3,6-4 |
| ITF Thailand F4 | 2018/09/23 04:00 | Seung-Hun Shin v Chanchai Sookton-Eng | 6-3,6-3 |
| ITF Korea F4 | 2018/08/11 01:00 | Dukyoung Kim v Seung-Hun Shin | 3-6,3-6 |
| ITF Korea F3 | 2018/06/19 08:10 | Seung-Hun Shin v Jumpei Yamasaki | 6-4,2-6,1-6 |
| ITF Korea F3 Qual | 2018/06/16 05:00 | Seung-Hun Shin v Loic Ratsaratany | 7-6,7-6 |
| ITF Korea F2 | 2018/06/10 02:00 | Jae Hwan Kim v Seung-Hun Shin | 6-2,6-2 |
| ITF Korea F2 | 2018/06/09 01:00 | Hyun Bin Jin v Seung-Hun Shin | 5-7,3-6 |
| 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 F1 | 2018/08/19 02:00 | Natthasith Kunsuwan v Nutdanai Sincharoenwattana | 6-0,6-3 |