Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Zhangjiagang | 2019/03/18 06:25 | Luke Saville v Renta Tokuda | 7-5,3-6,6-3 |
| Challenger Zhuhai | 2019/03/06 03:50 | Oscar Otte v Renta Tokuda | 7-6,6-1 |
| Challenger Zhuhai | 2019/03/04 02:00 | Renta Tokuda v Maverick Banes | 6-4,6-2 |
| Challenger Yokohama | 2019/02/25 01:00 | Renta Tokuda v Masamichi Imamura | 5-7,2-6 |
| Challenger Morelos | 2019/02/18 21:10 | Gonzalo Escobar v Renta Tokuda | 7-6,6-4 |
| Challenger Chennai | 2019/02/05 08:40 | Renta Tokuda v Alejandro Davidovich Fokina | 6-3,2-6,3-6 |
| Challenger Chennai | 2019/02/04 06:00 | Abhinav Sanjeev Shanmugam v Renta Tokuda | 3-6,4-6 |
| Challenger Launceston | 2019/01/28 01:40 | Tristan Lamasine v Renta Tokuda | 6-4,6-1 |
| ITF M15 Mornington | 2019/03/26 02:40 | Cheng-Yu Yu v Dusty H. Boyer | 4-6,7-6,6-7 |
| ITF M15 Mornington | 2019/03/20 03:45 | Cheng-Yu Yu v Luca Castelnuovo | 6-3,3-6,4-6 |
| ITF M15 Nishi-Tokyo | 2019/03/11 02:00 | Masaya Kobayashi v Cheng-Yu Yu | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/06 05:05 | Wishaya Trongcharoenchaikul v Cheng-Yu Yu | 6-4,7-6 |
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Cheng-Yu Yu v Kazuma Kawachi | 7-6,4-6,10-5 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Cheng-Yu Yu v Worarin Kumthonkittikul | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/15 03:00 | Cheng-Yu Yu v Konstantin Kravchuk | 0-6,5-7 |
| ITF Thailand F9 | 2018/11/14 05:00 | Cheng-Yu Yu v Tonkla Mulada | 6-3,6-4 |