Stadium: Court 1 Round: 46
| ITF Thailand F9 | 2015/06/19 03:00 | Toshihide Matsui v Shuichi Sekiguchi | 4-6,4-6 |
| Australian Open WC Qual | 2017/11/28 03:25 | Lingxi Zhao v Toshihide Matsui | 6-4,7-5 |
| Challenger Toyota Qual | 2017/11/12 07:05 | Hiroyasu Ehara v Toshihide Matsui | 6-4,7-6 |
| Challenger Toyota Qual | 2017/11/11 08:00 | Toshihide Matsui v Makoto Ochi | 6-4,7-6 |
| Challenger Toyota Qual | 2017/11/11 04:10 | Kazuki Nishiwaki v Toshihide Matsui | 3-6,4-6 |
| Challenger Suzhou Qual | 2017/10/22 04:00 | Sidharth Rawat v Toshihide Matsui | 6-3,6-4 |
| Challenger Suzhou Qual | 2017/10/21 03:00 | Zhuoyang Qiu v Toshihide Matsui | 3-6,6-1,3-6 |
| Challenger Tashkent Qual | 2017/10/07 05:00 | Grigoriy Lomakin v Toshihide Matsui | 3-6,6-3,3-6 |
| Challenger Zhangjiagang Qual | 2017/09/03 03:45 | Wei-De Lin v Toshihide Matsui | 6-1,6-2 |
| Challenger Ningbo Qual | 2017/10/15 07:50 | Shuichi Sekiguchi v Yunseong Chung | 4-6,3-6 |
| Challenger Kaohsiung | 2017/10/03 05:40 | Shuichi Sekiguchi v Akira Santillan | 3-6,4-6 |
| Challenger Gwangju | 2017/09/19 01:30 | Shuichi Sekiguchi v Tsung-Hua Yang | 5-7,6-7 |
| Challenger Shanghai | 2017/09/12 06:35 | Alexander Kudryavtsev v Shuichi Sekiguchi | 6-4,4-6,2-6 |
| Challenger Zhangjiagang | 2017/09/07 04:35 | Shuichi Sekiguchi v Mohamed Safwat | 7-6,1-6,3-6 |
| Challenger Zhangjiagang | 2017/09/05 08:00 | Shuichi Sekiguchi v Kento Takeuchi | 6-4,6-3 |
| Challenger Jinan | 2017/08/09 03:35 | Shuichi Sekiguchi v Evgeny Donskoy | 2-6,3-6 |
| Challenger Jinan | 2017/08/07 03:40 | N. Vijay Sundar Prashanth v Shuichi Sekiguchi | 4-6,4-6 |