Stadium: Court 4 Round: 54
| ITF Thailand F10 | 2014/05/28 03:00 | Hiroyasu Ehara v Toshihide Matsui | 7-6,5-7,5-7 |
| Challenger Toyota Qual | 2017/11/11 07:35 | Hiroyasu Ehara v Yuto Sakai | 6-7,6-2,6-3 |
| ITF Thailand F8 | 2017/10/10 07:50 | Hiroyasu Ehara v Nam Hoang Ly | 0-6,5-7 |
| ITF Thailand F7 | 2017/10/03 09:50 | Remy Bertola v Hiroyasu Ehara | 6-2,6-4 |
| ITF Switzerland F5 | 2017/09/03 12:20 | Hiroyasu Ehara v Marc-Andrea Huesler | 4-6,6-4,6-2 |
| ITF Switzerland F5 | 2017/09/02 11:15 | Matteo Viola v Hiroyasu Ehara | 5-7,7-5,6-7 |
| ITF Switzerland F5 | 2017/09/01 11:10 | Hiroyasu Ehara v Juan Manuel Benitez Chavarriaga | 1-6,6-2,6-3 |
| ITF Switzerland F5 | 2017/08/30 13:40 | Hiroyasu Ehara v Jacob Kahoun | 7-6,6-1 |
| ITF Switzerland F5 | 2017/08/29 08:00 | Hiroyasu Ehara v Mirko Martinez | 6-4,6-3 |
| 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 Jinan Qual | 2017/08/05 02:30 | Kento Takeuchi v Toshihide Matsui | 3-6,6-3,6-4 |
| Challenger Chengdu Qual | 2017/07/29 02:00 | Toshihide Matsui v Yecong He | 5-7,3-6 |