Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Albury | 2019/02/27 04:50 | Ryota Tanuma v Chanchai Sookton-Eng | 3-6,7-6,6-2 |
| ITF M15 Hua Hin | 2019/09/03 04:00 | Chanchai Sookton-Eng v Pol Wattanakul | 7-6,3-6,10-2 |
| ITF M15 Hua Hin | 2019/09/02 03:00 | Yuanfeng Li v Chanchai Sookton-Eng | 4-6,6-2,7-10 |
| ITF M15 Hua Hin | 2019/08/28 08:15 | Yuanfeng Li v Chanchai Sookton-Eng | 6-3,6-3 |
| ITF M15 Hua Hin | 2019/08/22 03:00 | Bradley Mousley v Chanchai Sookton-Eng | 6-3,6-3 |
| ITF M15 Hua Hin | 2019/08/21 08:25 | Chanchai Sookton-Eng v Chayanon Kaewsuto | 6-0,6-4 |
| ITF M15 Hua Hin | 2019/08/20 03:00 | Yeongseok Jeong v Chanchai Sookton-Eng | 4-6,6-7 |
| ITF M25 Nonthaburi | 2019/07/30 07:50 | Rhett Purcell v Chanchai Sookton-Eng | 6-3,6-1 |
| ITF M25 Nonthaburi | 2019/07/23 02:30 | Kelsey Stevenson v Chanchai Sookton-Eng | 6-1,6-4 |
| ITF M15 Hua Hin | 2019/08/29 03:00 | Ryota Tanuma v Aaron Schmid | 6-3,4-6,4-6 |
| ITF M15 Hua Hin | 2019/08/28 05:30 | Ryota Tanuma v Young-Hoon Jeong | 3-6,6-1,6-0 |
| ITF M25 Nonthaburi | 2019/08/01 05:25 | Ryota Tanuma v Sergey Fomin | 1-6,4-6 |
| ITF M25 Nonthaburi | 2019/07/30 06:25 | Ryota Tanuma v Soichiro Moritani | 6-2,2-6,6-3 |
| ITF M25 Nonthaburi | 2019/07/23 06:05 | Harry Bourchier v Ryota Tanuma | 4-6,6-3,7-5 |
| ITF M25 Taipei | 2019/07/16 06:25 | Tsung-Hao Huang v Ryota Tanuma | 6-4,6-2 |
| ITF M15 Anseong | 2019/06/27 02:55 | Haru Inoue v Ryota Tanuma | 6-2,6-2 |
| ITF M15 Anseong | 2019/06/26 02:45 | Shinnosuke Hiramatsu v Ryota Tanuma | 5-7,6-4,4-6 |