Stadium: Court D Round: 25 Ground: Hardcourt outdoor
| ITF M15 Hua Hin | 2019/08/20 03:00 | Yeongseok Jeong v Chanchai Sookton-Eng | 4-6,6-7 |
| ITF Thailand F9 | 2018/11/10 02:00 | Chanchai Sookton-Eng v Yeongseok Jeong | 3-6,0-6 |
| ITF M15 Heraklion | 2019/12/08 12:00 | Yeongseok Jeong v Biagio Gramaticopolo | 5-7,2-6 |
| ITF M15 Heraklion | 2019/12/03 08:00 | Biagio Gramaticopolo v Yeongseok Jeong | 6-2,6-2 |
| ITF M15 Heraklion | 2019/12/02 08:30 | Aristotelis Thanos v Yeongseok Jeong | 3-6,4-6 |
| ITF M15 Heraklion | 2019/12/01 12:00 | Sungbeen Sim v Yeongseok Jeong | 3-6,2-6 |
| ITF M15 Heraklion | 2019/11/25 09:00 | Sean Hodkin v Yeongseok Jeong | 6-2,6-1 |
| ITF M15 Heraklion | 2019/11/24 10:30 | Vito Dell'Elba v Yeongseok Jeong | 3-6,5-7 |
| ITF M15 Heraklion | 2019/11/18 08:00 | Yeongseok Jeong v Stephanos Schinas | 4-6,3-6 |
| ITF M15 Heraklion | 2019/11/17 07:30 | Yeongseok Jeong v Nikolay Vylegzhanin | 6-3,4-6,10-5 |
| ITF M15 Chiang Rai Qual | 2022/04/24 01:55 | Rishab Agarwal v Chanchai Sookton-Eng | 6-3,6-4 |
| ITF M15 Chiang Rai | 2022/04/20 04:50 | Chanchai Sookton-Eng v Shinji Hazawa | 4-6,1-6 |
| ITF M15 Chiang Rai | 2022/04/19 03:55 | Rishi Reddy v Chanchai Sookton-Eng | 2-6,3-6 |
| ITF M15 Chiang Rai | 2022/04/18 07:25 | Chanchai Sookton-Eng v Alec Beckley | 6-4,5-7,10-7 |
| ITF M15 Chiang Rai Qual | 2022/04/17 12:25 | Kittirat Kerdlaphee v Chanchai Sookton-Eng | 4-6,1-6 |
| ITF M15 Chiang Rai Qual | 2022/04/10 04:55 | Chanchai Sookton-Eng v Taisei Ichikawa | 7-5,3-6,8-10 |
| ITF M15 Chiang Rai | 2022/04/06 06:45 | Colin Markes v Chanchai Sookton-Eng | 6-1,6-2 |
| ITF M25 Canberra | 2022/03/26 22:00 | Chanchai Sookton-Eng v Thomas Nicholas Gadecki | 2-6,3-6 |