| ITF - M25 Tsukuba | 03/27 00:30 | 54 | Shunsuke Nakagawa v Tomohiro Masabayashi | 5-7,6-3,10-7 | |
| Challenger - Matsuyama | 11/06 03:45 | 14 | Jason Jung v Shunsuke Nakagawa | 6-1,6-1 | |
| ITF - M25 Sapporo | 09/08 03:20 | 26 | Keisuke Saitoh v Shunsuke Nakagawa | 6-1,6-2 | |
| ITF - M25 Sapporo | 09/07 02:20 | 25 | Shunsuke Nakagawa v Geni Inoue | 7-6,6-0 | |
| ITF - M25 Sapporo | 09/05 03:50 | 54 | Geni Inoue v Shunsuke Nakagawa | 6-2,0-6,6-10 | |
| ITF - M25 Sapporo | 09/04 02:50 | 54 | Shunsuke Nakagawa v Nishith Naveen | 6-0,6-0 |