Stadion: SundS Court Round: 54 Ground: Clay
| ITF - M25 - Lasne | 2019/07/01 12:00 | Victor Ernaelsteen v William Ma | 4-6,6-3,10-8 |
| ITF - M25 - Hengyang | 2019/06/20 02:00 | William Ma v Yan Bai | 3-6,0-6 |
| ITF - M25 - Hengyang | 2019/06/19 06:30 | William Ma v Zhuoyang Qiu | 6-0,6-0 |
| ITF - M25 - Hengyang | 2019/06/18 02:30 | Rui-Xuan Wang v William Ma | 4-6,7-5,8-10 |
| ITF - M25 - Hengyang | 2019/06/17 04:15 | Kaiwei Wang v William Ma | 0-6,0-6 |
| ITF - M25 - Shenzhen | 2019/06/10 08:20 | William Ma v Changli Zhang | 6-3,3-6,4-10 |
| ITF - M25 - Hongkong | 2019/06/05 05:10 | William Ma v Nam Hoang Ly | 2-6,2-6 |
| ITF - M25 - Hongkong | 2019/06/04 05:00 | Li-Wei Tan v William Ma | 5-7,2-6 |
| ITF - M15 - Marburg | 2019/07/08 08:00 | Bart Van Den Berg v Lucas Hellfritsch | 6-1,7-6 |
| ITF - M15 - Den Haag | 2019/07/01 07:30 | Lucas Hellfritsch v Jing L Weng | 2-6,1-6 |
| ITF - M15 - Alkmaar | 2019/06/26 16:50 | Jesper De Jong v Lucas Hellfritsch | 6-3,6-4 |
| ITF - M15 - Alkmaar | 2019/06/25 09:00 | Lucas Hellfritsch v Matthew Dellavedova | 0-6,6-0,10-2 |
| ITF - M15 - Alkmaar | 2019/06/24 13:00 | Lucas Hellfritsch v Mislav Bosnjak | 6-4,4-6,10-6 |
| ITF - M15 - Kaltenkirchen | 2019/06/10 08:00 | Lucas Hellfritsch v Remy Bertola | 1-6,4-6 |
| ITF - M15 - Antalya | 2019/05/21 07:15 | Lucas Hellfritsch v Shinnosuke Hiramatsu | 4-6,0-6 |
| ITF - M15 - Antalya | 2019/04/25 09:20 | Dimitar Kuzmanov v Lucas Hellfritsch | 6-2,6-3 |