Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF M15 Singapore | 2019/06/04 02:00 | Cameron Green v Kazuki Nishiwaki | 7-6,6-1 |
| ITF M15 Singapore | 2019/05/29 03:55 | Maksim Tikhomirov v Kazuki Nishiwaki | 6-3,6-4 |
| ITF M25 Wuhan | 2019/05/06 02:00 | Kazuki Nishiwaki v Jianhui Li | 5-7,6-2,6-10 |
| ITF M15 Wuhan | 2019/05/02 02:00 | Kazuki Nishiwaki v Sora Fukuda | 2-6,1-6 |
| ITF M15 Wuhan | 2019/05/01 03:50 | Xin Gao v Kazuki Nishiwaki | 6-2,3-6,3-6 |
| ITF M25 Matsuyama | 2019/04/10 07:40 | Rinky Hijikata v Kazuki Nishiwaki | 6-3,6-4 |
| ITF M15 Kashiwa | 2019/04/01 06:00 | Kuan-Yi Lee v Kazuki Nishiwaki | 6-4,6-4 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Daisuke Sumizawa v Kazuki Nishiwaki | 6-2,2-6,8-10 |
| ITF M15 Singapore | 2019/06/06 09:00 | Manish Sureshkumar v Shamirul S Mohd Adam Das | 6-1,6-0 |
| ITF M15 Singapore | 2019/06/04 02:00 | Muthu A Senthilkumar v Shamirul S Mohd Adam Das | 2-6,2-6 |
| ITF M15 Singapore | 2019/05/29 02:00 | Rimpei Kawakami v Shamirul S Mohd Adam Das | 6-1,6-4 |
| ITF M25 Nonthaburi | 2019/05/20 05:35 | Shamirul S Mohd Adam Das v Arturs Lazdins | 6-7,6-3,5-10 |
| ITF Vietnam F4 | 2018/10/21 03:00 | Robert Strombachs v Shamirul S Mohd Adam Das | 6-2,6-1 |
| ITF Vietnam F4 | 2018/10/20 03:00 | Cheong Hwi Kim v Shamirul S Mohd Adam Das | 6-4,3-6,2-6 |
| ITF Thailand F4 | 2018/09/23 04:00 | Shamirul S Mohd Adam Das v Tsung-Hao Huang | 2-6,3-6 |
| ITF Thailand F4 | 2018/09/22 04:30 | Shamirul S Mohd Adam Das v Pasawee Reansuwong | 2-6,6-3,6-2 |