Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF Thailand F6 | 2018/10/09 05:00 | Takashi Saito v David Agung Susanto | 6-2,6-1 |
| ITF Thailand F5 | 2018/10/04 04:30 | Takashi Saito v Kelsey Stevenson | 4-6,6-7 |
| ITF Thailand F5 | 2018/10/03 03:40 | Takashi Saito v Jirat Navasirisomboon | 7-5,6-1 |
| ITF Thailand F5 | 2018/10/01 04:00 | Takashi Saito v Congsup Congcar | 7-6,1-6,6-4 |
| Challenger Kaohsiung | 2018/09/15 07:45 | Takashi Saito v Yan Bai | 3-6,3-6 |
| ITF Thailand F3 | 2018/09/06 02:00 | Soichiro Moritani v Takashi Saito | 7-5,6-2 |
| ITF Thailand F3 | 2018/09/05 04:00 | Yuichi Ito v Takashi Saito | 2-6,6-4,3-6 |
| ITF Thailand F3 | 2018/09/04 06:55 | Palaphoom Kovapitukted v Takashi Saito | 6-4,4-6,2-6 |
| ITF Thailand F6 | 2018/10/09 04:15 | Shunrou Takeshima v Michal Dembek | 6-4,4-6,5-7 |
| ITF Thailand F5 | 2018/10/02 07:25 | Michal Dembek v Shintaro Imai | 1-6,3-6 |
| Challenger Sibiu | 2018/09/17 12:00 | Michal Dembek v Zdenek Kolar | 5-7,3-6 |
| Challenger Szczecin | 2018/09/08 13:15 | Michal Dembek v Alejandro Davidovich Fokina | 5-7,6-7 |
| ITF Poland F7 | 2018/08/13 12:25 | Christopher Heyman v Michal Dembek | 6-2,7-5 |
| ITF Poland F6 | 2018/08/06 13:20 | Michal Dembek v Kacper Zuk | 5-7,6-1,6-7 |
| Challenger Sopot | 2018/07/30 12:30 | Daniel Michalski v Michal Dembek | 6-2,6-4 |
| ITF Georgia F2 | 2018/07/18 08:00 | Michal Dembek v Shahin Khaledan | 3-6,4-6 |