Stadium: Court 4 Round: 27 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 | 2018/10/10 03:00 | Krittin Koaykul v Matic Spec | 0-6,1-6 |
| ITF Thailand F6 | 2018/10/09 02:30 | Matic Spec v Soichiro Moritani | 6-1,5-7,6-3 |
| ITF Thailand F6 | 2018/10/08 02:30 | Matic Spec v Chayanon Kaewsuto | 6-3,6-2 |
| ITF Thailand F6 | 2018/10/07 02:30 | Matic Spec v Hu Liu | 6-3,6-2 |
| ITF Thailand F5 | 2018/09/30 02:30 | Matic Spec v Tonkla Mulada | 4-6,6-2,5-7 |
| ITF Thailand F5 | 2018/09/29 04:30 | Matic Spec v Saranpong Borisutpong | 6-1,6-0 |
| ITF Thailand F4 | 2018/09/24 04:00 | Matic Spec v Shintaro Imai | 6-7,3-6 |
| ITF USA F22 Qual | 2018/08/06 13:30 | Matic Spec v Alfredo Perez | 3-6,2-6 |