Stadium: Court 2 Round: 166 Ground: Hardcourt outdoor
| Challenger Nanchang Qual | 2018/04/14 04:50 | Mukund Sasikumar v Toshihide Matsui | 6-0,6-0 |
| Challenger Taipei Qual | 2018/04/08 07:25 | Toshihide Matsui v Shuichi Sekiguchi | 5-7,6-7 |
| Challenger Taipei Qual | 2018/04/07 07:05 | Toshihide Matsui v Cing-Yang Meng | 6-3,6-4 |
| ITF Japan F5 | 2018/04/03 04:40 | Toshihide Matsui v Sora Fukuda | 4-6,6-4,4-6 |
| Challenger Shenzhen Qual | 2018/03/11 03:10 | Toshihide Matsui v Renta Tokuda | 2-6,3-6 |
| 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 Chicago | 2018/09/02 15:00 | Tom Jomby v Kevin Kylar | 6-0,6-3 |
| Challenger Winnipeg Qual | 2018/07/08 19:00 | Jack Mingjie Lin v Kevin Kylar | 6-4,6-2 |
| ITF Canada F5 Qual | 2018/07/02 19:15 | A.J Catanzariti v Kevin Kylar | 6-4,6-3 |
| ITF Canada F5 Qual | 2018/06/30 16:00 | Shane Nicholls v Kevin Kylar | 1-6,0-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 12:30 | Kevin Kylar v Bogdan Bajic | 6-4,4-6,5-7 |
| ITF Sweden F3 Qual | 2018/05/19 10:40 | Kevin Kylar v Jonathan Stenberg | 3-6,5-7 |
| ITF Mexico F8 | 2017/12/02 17:00 | Juan Ignacio Batalla v Kevin Kylar | 6-2,4-6,7-6 |
| ITF Mexico F5 | 2017/11/12 17:30 | Jack Murray v Kevin Kylar | 6-3,6-1 |