Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Fergana | 2017/06/21 06:30 | Ilya Ivashka v Shuichi Sekiguchi | 6-2,6-2 |
| Challenger Fergana | 2017/06/19 06:00 | Shuichi Sekiguchi v Vladyslav Manafov | 6-4,3-6,7-5 |
| ITF Chinese Taipei F1 | 2017/06/13 03:25 | Tung-Lin Wu v Shuichi Sekiguchi | 6-4,6-2 |
| ITF Japan F7 | 2017/06/09 01:00 | Yosuke Watanuki v Shuichi Sekiguchi | 6-4,5-7,6-0 |
| ITF Japan F7 | 2017/06/07 06:40 | Yuki Matsuo v Shuichi Sekiguchi | 4-6,2-6 |
| ITF Japan F7 | 2017/06/05 04:10 | Hiroyasu Ehara v Shuichi Sekiguchi | 2-6,1-6 |
| ITF Japan F6 | 2017/05/31 01:00 | Gengo Kikuchi v Shuichi Sekiguchi | 6-4,6-2 |
| ITF Japan F6 | 2017/05/29 05:55 | Yuki Mochizuki v Shuichi Sekiguchi | 3-6,4-6 |
| ATP Queens Qual | 2017/06/17 12:00 | Akira Santillan v Julien Benneteau | 3-6,1-6 |
| Challenger Nottingham | 2017/06/13 13:05 | Sergiy Stakhovsky v Akira Santillan | 6-4,7-6 |
| Challenger Surbiton | 2017/06/08 17:35 | Daniel Evans v Akira Santillan | 7-6,6-3 |
| Challenger Surbiton | 2017/06/08 12:10 | Akira Santillan v Stefan Kozlov | 6-2,2-6,6-3 |
| Challenger Surbiton Qual | 2017/06/05 12:00 | Akira Santillan v Hiroki Moriya | 7-6,6-4 |
| Challenger Surbiton Qual | 2017/06/04 17:15 | Akira Santillan v Jonny O'Mara | 6-2,7-5 |
| Challenger Surbiton Qual | 2017/06/04 13:20 | Akira Santillan v John-Patrick Smith | 6-3,6-7,6-4 |
| French Open Qual | 2017/05/22 11:50 | Mackenzie McDonald v Akira Santillan | 6-1,6-4 |