Stadium: Court 3 Round: 44 Ground: Clay
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Tomohiro Masabayashi v Chang, Chen | 6-0,6-2 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/23 07:15 | Chandrasekar, Anirudh v Tomohiro Masabayashi | 6-1,7-6 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/23 02:00 | Qamar, Faisal v Tomohiro Masabayashi | 3-6,2-6 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/22 02:00 | Yuan, Da Cheng v Tomohiro Masabayashi | 0-6,0-6 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/12 01:00 | Tomohiro Masabayashi v Yuta Kikuchi | 3-6,5-7 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/04 01:55 | Katayama, Sho v Tomohiro Masabayashi | 6-4,7-6 |
| Karuizawa, Singles M-ITF-JPN-07A | 2019/05/28 02:30 | Tomohiro Masabayashi v Moritani, Soichiro | 3-6,3-6 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/12 03:00 | Wishaya Trongcharoenchaikul v Tomohiro Masabayashi | 7-5,6-2 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/10 05:25 | Taketo Takamisawa v Tomohiro Masabayashi | 3-6,3-6 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/22 02:00 | Liu, Shao-Fan v Chang, Chen | 6-1,6-1 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/15 02:00 | Chang, Chen v Taylor, Sam | 1-6,3-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/10 04:25 | Kim, Geun Jun v Chang, Chen | 6-1,6-1 |
| ITF M15 Daegu | 2019/06/03 05:50 | Kim, Geun Jun v Chang, Chen | 6-2,6-1 |
| Karuizawa, Singles M-ITF-JPN-07A | 2019/05/27 00:00 | Chang, Chen v Fujii, Sota | 2-6,0-6 |
| Thailande F6, Qualifications Simples | 2018/10/06 07:00 | Reynolds, Rob v Chang, Chen | 6-2,6-0 |
| ITF Thailand F5 | 2018/09/29 06:00 | Takeshima, Shunrou v Chang, Chen | 6-0,6-0 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Tomohiro Masabayashi v Chang, Chen | 6-0,6-2 |