Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| Challenger Taipei | 2019/04/08 05:15 | Marc-Andrea Huesler v Max Purcell | 7-6,6-7,6-1 |
| Challenger Zhangjiagang | 2019/03/21 07:45 | Max Purcell v Lorenzo Giustino | 3-6,4-6 |
| Challenger Zhangjiagang | 2019/03/20 04:20 | Go Soeda v Max Purcell | 6-4,6-7,1-6 |
| Challenger Shenzhen | 2019/03/14 05:15 | Soonwoo Kwon v Max Purcell | 6-3,6-3 |
| Challenger Shenzhen | 2019/03/12 02:00 | Guilherme Clezar v Max Purcell | 6-7,6-7 |
| Challenger Zhuhai | 2019/03/07 10:50 | Max Purcell v Mohamed Safwat | 2-6,2-6 |
| Challenger Zhuhai | 2019/03/06 08:00 | Brayden Schnur v Max Purcell | 6-1,3-6,6-7 |
| Challenger Zhuhai | 2019/03/05 02:00 | Zihao Xia v Max Purcell | 7-6,5-7,1-6 |
| Challenger Taipei | 2019/04/09 13:50 | Cem Ilkel v Yuichi Sugita | 5-7,3-6 |
| Challenger Zhangjiagang | 2019/03/20 02:00 | Yunseong Chung v Yuichi Sugita | 4-6,7-5,6-2 |
| Challenger Shenzhen | 2019/03/12 07:20 | Duckhee Lee v Yuichi Sugita | 6-3,6-4 |
| Challenger Yokohama | 2019/03/02 02:00 | Soonwoo Kwon v Yuichi Sugita | 6-3,6-2 |
| Challenger Yokohama | 2019/03/01 02:00 | Yuichi Sugita v Dudi Sela | 2-6,6-4,7-5 |
| Challenger Yokohama | 2019/02/28 02:00 | Yuichi Sugita v Filip Peliwo | 6-4,6-2 |
| Challenger Yokohama | 2019/02/26 03:30 | Yuichi Sugita v Daniel Nguyen | 2-6,6-4,7-5 |
| Challenger Bangkok 1A | 2019/02/21 06:30 | Alejandro Davidovich Fokina v Yuichi Sugita | 6-2,6-1 |