Stadium: Court 3 Round: 44 Ground: Clay
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Tomohiro Masabayashi v Chen Chang | 6-0,6-2 |
| ITF M15 Nanchang | 2019/09/23 07:15 | Anirudh Chandrasekar v Tomohiro Masabayashi | 6-1,7-6 |
| ITF M15 Nanchang | 2019/09/23 02:00 | Faisal Qamar v Tomohiro Masabayashi | 3-6,2-6 |
| ITF M15 Nanchang | 2019/09/22 02:00 | Da Cheng Yuan v Tomohiro Masabayashi | 0-6,0-6 |
| ITF M15 Akishima | 2019/06/12 01:00 | Tomohiro Masabayashi v Yuta Kikuchi | 3-6,5-7 |
| ITF M15 Guam | 2019/06/04 01:55 | Sho Katayama v Tomohiro Masabayashi | 6-4,7-6 |
| ITF M15 Karuizawa | 2019/05/28 02:30 | Tomohiro Masabayashi v Soichiro Moritani | 3-6,3-6 |
| ITF M25 Matsuyama | 2019/04/12 03:00 | Wishaya Trongcharoenchaikul v Tomohiro Masabayashi | 7-5,6-2 |
| ITF M25 Matsuyama | 2019/04/10 05:25 | Taketo Takamisawa v Tomohiro Masabayashi | 3-6,3-6 |
| ITF M25 Taipei | 2019/07/22 02:00 | Shao-Fan Liu v Chen Chang | 6-1,6-1 |
| ITF M25 Taipei | 2019/07/15 02:00 | Chen Chang v Sam Taylor | 1-6,3-6 |
| ITF M15 Gimcheon | 2019/06/10 04:25 | Geun Jun Kim v Chen Chang | 6-1,6-1 |
| ITF M15 Daegu | 2019/06/03 05:50 | Geun Jun Kim v Chen Chang | 6-2,6-1 |
| ITF M15 Karuizawa | 2019/05/27 00:00 | Chen Chang v Sota Fujii | 2-6,0-6 |
| ITF Thailand F6 | 2018/10/06 07:00 | Rob Reynolds v Chen Chang | 6-2,6-0 |
| ITF Thailand F5 | 2018/09/29 06:00 | Shunrou Takeshima v Chen Chang | 6-0,6-0 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 03:00 | Tomohiro Masabayashi v Chen Chang | 6-0,6-2 |