Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Korea F4 | 2018/08/11 01:00 | Kim, Dukyoung v Shin, Seung-Hun | 3-6,3-6 |
| ITF Korea F3 | 2018/06/19 08:10 | Shin, Seung-Hun v Jumpei Yamasaki | 6-4,2-6,1-6 |
| Korea F3, Singles Qualifying | 2018/06/16 05:00 | Shin, Seung-Hun v Ratsaratany, Loic | 7-6,7-6 |
| ITF Korea F2 | 2018/06/10 02:00 | Kim, Jae Hwan v Shin, Seung-Hun | 6-2,6-2 |
| ITF Korea F2 | 2018/06/09 01:00 | Jin, Hyun Bin v Shin, Seung-Hun | 5-7,3-6 |
| ITF Korea F1 | 2018/06/04 01:00 | Han, Seong Jae v Shin, Seung-Hun | 3-6,7-6,6-2 |
| Challenger Seoul Qual | 2018/04/28 04:40 | Shin, Seung-Hun v Kim, Jae Hwan | 6-2,3-6,2-6 |
| ITF Korea F4 | 2017/06/19 01:00 | Lim, Hyung-Chan v Shin, Seung-Hun | 6-3,3-6,6-3 |
| ITF Thailand F4 | 2018/09/22 04:30 | Srirat, Tanakorn v Sookton-Eng, Chanchai | 1-6,1-6 |
| ITF Thailand F3 | 2018/09/02 02:00 | Sookton-Eng, Chanchai v Kerdlaphee, Kittirat | 6-7,6-2,1-6 |
| ITF Thailand F2 | 2018/08/26 07:00 | Ng, Hao Yuan v Sookton-Eng, Chanchai | 6-3,7-5 |
| ITF Thailand F1 | 2018/08/20 06:50 | Kawakami, Rimpei v Sookton-Eng, Chanchai | 6-2,6-1 |
| ITF Malaysia F3 | 2018/07/17 05:30 | Sookton-Eng, Chanchai v Sumit Sarkar | 1-6,4-6 |
| ITF Malaysia F3 | 2018/07/16 03:00 | Sookton-Eng, Chanchai v Choudhary, Ahmed | 7-5,6-2 |
| ITF Malaysia F3 | 2018/07/15 07:00 | Sookton-Eng, Chanchai v Kapadia, Taha | 6-2,6-2 |
| ITF Malaysia F2 | 2018/07/10 09:25 | Isarow, Pruchya v Sookton-Eng, Chanchai | 4-6,6-3,6-4 |