Round: 25 Ground: Clay
| ITF Japan F5 | 2017/04/03 05:00 | Masato Shiga v Yuki Mochizuki | 6-4,6-0 |
| ITF Japan F1 | 2017/03/09 01:00 | Yusuke Takahashi v Yuki Mochizuki | 4-6,6-4,6-1 |
| ITF Japan F1 | 2017/03/07 02:30 | Issei Okamura v Yuki Mochizuki | 2-6,4-6 |
| ITF Japan F1 | 2017/03/06 01:00 | Yuki Mochizuki v Shunrou Takeshima | 6-2,6-4 |
| ITF Japan F1 | 2017/03/05 01:00 | Yuki Mochizuki v Keigo Shimizu | 6-2,6-1 |
| Challenger Kyoto Qual | 2017/02/18 05:55 | Jimmy Wang v Yuki Mochizuki | 6-1,3-6,6-2 |
| Others | 2016/11/12 03:10 | Yuki Mochizuki v Yuta Shimizu | 6-3,4-6,3-6 |
| Others | 2016/11/07 02:00 | Kuan-Yi Lee v Yuki Mochizuki | 6-1,4-6,6-3 |
| Challenger Seoul | 2017/05/09 04:00 | Duckhee Lee v Shuichi Sekiguchi | 6-0,6-3 |
| Challenger Seoul Qual | 2017/05/08 02:00 | Lloyd Glasspool v Shuichi Sekiguchi | 3-6,3-6 |
| Challenger Seoul Qual | 2017/05/07 04:20 | Makoto Ochi v Shuichi Sekiguchi | 1-6,1-6 |
| Challenger Seoul Qual | 2017/05/06 06:05 | Yu-Seob Kim v Shuichi Sekiguchi | 1-6,4-6 |
| Challenger Taipei | 2017/04/18 06:20 | Shuichi Sekiguchi v Franko Skugor | 1-6,4-6 |
| ITF China F5 | 2017/04/15 05:35 | Bradley Mousley v Shuichi Sekiguchi | 7-6,7-6 |
| ITF China F5 | 2017/04/13 05:05 | Tsung-Hua Yang v Shuichi Sekiguchi | 2-6,4-6 |
| ITF China F5 | 2017/04/11 06:50 | Yu Chang v Shuichi Sekiguchi | 1-6,5-7 |