Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Daegu | 2019/06/04 02:45 | Chanchai Sookton-Eng v Sung Hun Kim | 3-6,4-6 |
| ITF M15 Daegu | 2019/06/03 02:40 | Chanchai Sookton-Eng v Seon Yong Han | 6-1,6-1 |
| ITF M25 Nonthaburi | 2019/05/30 03:30 | Chanchai Sookton-Eng v Rishab Agarwal | 6-3,4-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/29 03:00 | Chanchai Sookton-Eng v Pawin Jirapoomdaje | 6-3,6-4 |
| ITF M25 Nonthaburi | 2019/05/28 03:00 | Chanchai Sookton-Eng v Shisanuphong Pokinsagethasiri | 6-4,6-2 |
| ITF M25 Nonthaburi | 2019/05/27 03:00 | Chanchai Sookton-Eng v Garry Tokas | 6-4,6-1 |
| ITF M25 Nonthaburi | 2019/05/21 04:10 | Jayden Court v Chanchai Sookton-Eng | 6-3,6-1 |
| ITF M25 Nonthaburi | 2019/05/20 03:00 | Gregory Nitayamekin v Chanchai Sookton-Eng | 0-6,0-6 |
| ITF M15 Daegu | 2019/06/04 03:00 | Seong Taek Im v Sungbeen Sim | 0-6,1-6 |
| ITF M15 Daegu | 2019/06/03 05:20 | Ki Bum Kim v Sungbeen Sim | 6-1,2-6,11-13 |
| ITF Korea F6 | 2018/08/27 02:00 | Sungbeen Sim v Seon Yong Han | 0-6,2-6 |
| ITF Korea F6 | 2018/08/26 01:00 | Anze Loviscek v Sungbeen Sim | 2-6,3-6 |
| ITF Korea F6 | 2018/08/25 01:00 | Sungbeen Sim v Donghwi Shin | 7-6,4-6,6-3 |
| ITF Korea F5 | 2018/08/19 02:00 | Sungbeen Sim v Ku Keon Kang | 1-6,0-6 |
| ITF Korea F5 | 2018/08/18 03:00 | Yu-Seob Kim v Sungbeen Sim | 1-6,3-6 |
| ITF Korea F4 | 2018/08/15 01:00 | Sungbeen Sim v Jae Hwan Kim | 2-6,0-6 |