Stadium: Court 1 Round: 24 Ground: Hardcourt outdoor
| Challenger Chengdu | 2018/07/31 07:50 | Renta Tokuda v Tak Khunn Wang | 2-6,2-6 |
| Challenger Meerbusch | 2019/08/16 11:35 | Carlos Taberner v Tak Khunn Wang | 6-1,6-0 |
| Challenger Meerbusch | 2019/08/15 09:00 | Tak Khunn Wang v Thomaz Bellucci | 6-1,6-2 |
| Challenger Meerbusch | 2019/08/14 09:40 | Baptiste Crepatte v Tak Khunn Wang | 4-6,1-6 |
| Challenger Meerbusch | 2019/08/13 08:00 | Martin Cuevas v Tak Khunn Wang | 1-6,2-6 |
| Challenger Augsburg | 2019/08/05 11:05 | Tak Khunn Wang v Benjamin Hassan | 2-6,4-6 |
| Challenger Liberec | 2019/07/30 08:00 | Tak Khunn Wang v Jaroslav Pospisil | 4-6,5-7 |
| Challenger Prague | 2019/07/23 09:35 | Tak Khunn Wang v Lorenzo Giustino | 3-6,2-6 |
| Challenger Prague | 2019/07/22 09:25 | Tak Khunn Wang v Jiri Lehecka | 4-6,6-4,6-3 |
| Challenger Jinan | 2019/09/02 02:00 | Renta Tokuda v Yuquan Jin | 6-1,6-3 |
| Challenger Baotou | 2019/08/27 08:45 | Renta Tokuda v Luca Castelnuovo | 5-7,1-6 |
| ITF M15 Jakarta | 2019/08/24 02:30 | Renta Tokuda v Dusty H. Boyer | 6-7,4-6 |
| ITF M15 Jakarta | 2019/08/23 02:30 | Renta Tokuda v Haadin Bava | 6-4,6-3 |
| ITF M15 Jakarta | 2019/08/22 04:10 | Renta Tokuda v Jayden Court | 6-4,6-3 |
| ITF M15 Jakarta | 2019/08/20 05:20 | Renta Tokuda v Cheng-Yu Yu | 4-6,6-3,6-4 |
| Challenger Yokkaichi | 2019/08/07 05:15 | Renta Tokuda v Shinji Hazawa | 6-4,6-7,0-6 |
| ITF M25 Nonthaburi | 2019/08/04 03:00 | Renta Tokuda v Sanjar Fayziev | 6-3,6-3 |