Round: 27 Ground: Hardcourt outdoor
| ITF Hong Kong F3 | 2016/06/21 22:00 | Hung, Jui-Chen v Reinwein, Sami | 2-6,3-6 |
| ITF Hong Kong F3 | 2016/06/20 22:00 | Reinwein, Sami v Shiga, Masato | 6-4,6-2 |
| ITF Hong Kong F2 Qual | 2016/06/15 22:00 | Reinwein, Sami v Kelly, Dayne | 6-7,2-6 |
| ITF Hong Kong F2 Qual | 2016/06/14 22:00 | Reinwein, Sami v Alcantara, Francis Casey | 6-3,6-2 |
| ITF Greece F4 | 2016/04/11 11:20 | Reinwein, Sami v Hobart, Daniel | 4-6,6-3,2-6 |
| ITF Greece F3 | 2016/04/07 07:00 | Manafov, Vladyslav v Reinwein, Sami | 7-6,4-6,6-4 |
| ITF Greece F3 | 2016/04/06 07:00 | Reinwein, Sami v Galloway, Robert | 7-6,6-3 |
| ITF Greece F2 | 2016/03/31 07:00 | Reinwein, Sami v Eriksson, Markus | 1-6,4-6 |
| ITF Hong Kong F3 | 2016/06/21 22:00 | Susanto, David Agung v Onozawa, Arata | 3-6,4-6 |
| ITF Hong Kong F3 | 2016/06/19 22:00 | Ryota Tanuma v Onozawa, Arata | 1-6,5-7 |
| ITF Hong Kong F2 Qual | 2016/06/15 22:00 | Libietis, Mikelis v Onozawa, Arata | 6-4,7-6 |
| ITF Hong Kong F2 Qual | 2016/06/14 22:00 | Xia, Zihao v Onozawa, Arata | 4-6,2-6 |
| ITF Japan F7 | 2016/06/08 03:30 | Ito, Yuya v Onozawa, Arata | 6-4,6-1 |
| ITF Japan F7 | 2016/06/06 05:05 | Onozawa, Arata v Onishi, Ken | 6-4,6-7,6-0 |
| ITF Japan F6 | 2016/05/31 01:00 | Makoto Ochi v Onozawa, Arata | 6-2,6-3 |
| ITF China F7 | 2016/05/17 04:30 | Onozawa, Arata v Wei-De Lin | 3-6,3-6 |