Stadium: Court Central Round: 25 Ground: Hardcourt outdoor
| Gatineau, Canada | 2018/07/17 14:00 | Yusuke Takahashi v Soeda, Go | 4-6,3-6 |
| Challenger Winnipeg | 2018/07/10 15:00 | Yusuke Takahashi v Jason Kubler | 2-6,2-6 |
| Fergana, Uzbekistan | 2018/06/18 09:05 | Yusuke Takahashi v Duckhee Lee | 6-7,1-6 |
| Challenger Almaty | 2018/06/13 05:00 | Yusuke Takahashi v Roberto Cid Subervi | 1-6,0-6 |
| Challenger Almaty Qual | 2018/06/11 04:00 | Yusuke Takahashi v Granollers, Gerard | 5-7,0-6 |
| Challenger Almaty Qual | 2018/06/10 06:35 | Yusuke Takahashi v Pavel Kotov | 7-5,3-6,6-3 |
| Challenger Almaty Qual | 2018/06/09 07:20 | Yusuke Takahashi v Sidharth Rawat | 7-6,6-2 |
| Challenger - Busan | 2018/05/14 07:45 | Yusuke Takahashi v Duckhee Lee | 2-6,1-6 |
| Gatineau, Canada | 2018/07/20 23:30 | Polansky, Peter v Ugo Humbert | 7-6,6-7,6-7 |
| Gatineau, Canada | 2018/07/19 15:00 | Polansky, Peter v Krainik, Pavel | 6-2,7-5 |
| Gatineau, Canada | 2018/07/17 22:00 | Polansky, Peter v Rodriguez-Pace, Ricardo | 7-6,6-7,7-5 |
| Challenger Winnipeg | 2018/07/12 18:40 | Polansky, Peter v Lucas Miedler | 6-7,7-5,1-6 |
| Challenger Winnipeg | 2018/07/11 23:35 | Polansky, Peter v Krainik, Pavel | 7-6,7-6 |
| Wimbledon, London, Great Britain | 2018/07/02 10:30 | Polansky, Peter v Dennis Novak | 2-6,3-6,6-7 |
| Wimbledon Qual | 2018/06/28 10:00 | Polansky, Peter v Jason Kubler | 6-7,3-6,7-6,4-6 |
| Wimbledon Qual | 2018/06/26 15:20 | Polansky, Peter v Alejandro Davidovich Fokina | 7-5,6-2 |