Round: 28 Ground: Hardcourt outdoor
| ITF China F12 | 2015/08/07 07:00 | Arata Onozawa v Zhaoyi Cao | 6-0,6-2 |
| ITF China F12 | 2015/08/04 01:30 | Arata Onozawa v Zhuoyang Qiu | 6-4,6-0 |
| ITF Japan F8 | 2015/06/26 03:35 | Yasutaka Uchiyama v Arata Onozawa | 6-4,6-4 |
| ITF Japan F8 | 2015/06/25 02:50 | Ju-Hae Moon v Arata Onozawa | 2-6,0-6 |
| ITF Japan F8 | 2015/06/24 01:10 | Masayoshi Ono v Arata Onozawa | 2-6,2-6 |
| ITF Japan F7 | 2015/06/19 03:00 | Arata Onozawa v Jumpei Yamasaki | 6-2,4-6,0-6 |
| ITF Japan F7 | 2015/06/18 00:30 | Arata Onozawa v Renta Tokuda | 6-4,6-2 |
| ITF Japan F7 | 2015/06/16 02:15 | Arata Onozawa v Keisuke Watanuki | 7-6,0-6,6-3 |
| ITF China F12 | 2015/08/07 07:00 | Duckhee Lee v Aoxiong Wang | 6-4,6-1 |
| ITF China F12 | 2015/08/04 01:30 | Duckhee Lee v Cheng-Yu Yu | 6-2,7-6 |
| Challenger Padova | 2015/07/02 18:30 | Marco Cecchinato v Duckhee Lee | 6-2,6-2 |
| Challenger Padova | 2015/06/30 08:00 | Nicolas Kicker v Duckhee Lee | 1-6,2-6 |
| ITF Thailand F9 | 2015/06/23 04:40 | Duckhee Lee v Kittiphong Wachiramanowong | 4-6,3-6 |
| ITF Japan F6 | 2015/06/14 03:00 | Toshihide Matsui v Duckhee Lee | 4-6,2-6 |
| ITF Japan F6 | 2015/06/13 01:00 | Takashi Saito v Duckhee Lee | 2-6,3-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Yusuke Takahashi v Duckhee Lee | 2-6,2-6 |