Round: 54 Ground: Hardcourt outdoor
| ITF Japan F7 Qual | 2016/06/04 01:00 | Masaya Kobayashi v Daisuke Sumizawa | 6-2,7-6 |
| ITF Japan F6 Qual | 2016/05/28 01:00 | Daisuke Sumizawa v Shunrou Takeshima | 3-6,2-6 |
| ITF Turkey F16 | 2016/04/20 09:35 | Daisuke Sumizawa v Julien Dubail | 2-6,6-3,6-7 |
| ITF Turkey F16 | 2016/04/18 08:00 | Daisuke Sumizawa v Daniel Kossek | 6-3,6-4 |
| ITF Turkey F15 | 2016/04/13 10:35 | Shunsuke Wakita v Daisuke Sumizawa | 6-4,6-2 |
| ITF Turkey F15 | 2016/04/11 07:00 | Daisuke Sumizawa v Luke Stevenson | 3-6,6-4,6-3 |
| ITF Turkey F15 | 2016/04/10 08:00 | Luca Giacomelli v Daisuke Sumizawa | 6-7,3-6 |
| ITF Hong Kong F2 Qual | 2015/06/14 02:00 | Yu Hsiang Chiu v Alester Magalit | 6-4,7-6 |