Stadium: Court 2 Round: 24 Ground: Hardcourt outdoor
| Challenger Da Nang | 2019/01/07 06:30 | Mukund Sasikumar v Shinji Hazawa | 6-1,6-4 |
| Challenger Da Nang | 2019/01/06 05:30 | Yuta Shimizu v Shinji Hazawa | 4-6,4-6 |
| Challenger Kobe | 2018/11/13 04:05 | Shinji Hazawa v Andrew Harris | 3-6,6-3,3-6 |
| ITF Japan F8 | 2018/06/14 01:00 | Gengo Kikuchi v Shinji Hazawa | 6-4,6-3 |
| ITF Japan F8 | 2018/06/13 03:20 | Shinji Hazawa v Thomas Fancutt | 6-1,6-2 |
| ITF Japan F7 | 2018/06/05 02:45 | Yuga Tashiro v Shinji Hazawa | 7-5,7-6 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Shinji Hazawa v Teppei Uesugi | 6-4,4-6,6-7 |
| ITF Japan F5 | 2018/04/05 02:00 | Shinji Hazawa v Yusuke Takahashi | 5-7,0-6 |
| Challenger Morelos | 2019/02/18 18:55 | Michael Redlicki v Tak Khunn Wang | 4-6,6-2,7-5 |
| Challenger Cherbourg | 2019/02/11 15:55 | Tak Khunn Wang v Baptiste Crepatte | 6-7,4-6 |
| Challenger Budapest | 2019/02/04 10:55 | Baptiste Crepatte v Tak Khunn Wang | 6-3,7-5 |
| Challenger Koblenz | 2019/01/15 16:50 | Adam Pavlasek v Tak Khunn Wang | 3-6,6-3,6-4 |
| Challenger Koblenz | 2019/01/14 18:10 | Tak Khunn Wang v Daniel Masur | 6-4,6-2 |
| Challenger Canberra | 2019/01/09 00:30 | Tak Khunn Wang v Hubert Hurkacz | 6-7,4-6 |
| Challenger Canberra | 2019/01/08 00:20 | Tak Khunn Wang v Matthew Romios | 7-6,6-0 |
| Challenger Noumea | 2019/01/02 01:00 | Salvatore Caruso v Tak Khunn Wang | 7-5,7-6 |