Stadium: Court 4 Round: 26 Ground: Synthetic outdoor
| ITF Japan F7 | 2018/06/05 02:55 | Kaito Uesugi v Purcell, Rhett | 7-5,6-0 |
| ITF Singapore F2 | 2018/05/24 03:00 | Kaito Uesugi v Thai-Son Kwiatkowski | 5-7,6-0,2-6 |
| ITF Singapore F2 | 2018/05/23 02:00 | Banes, Maverick v Kaito Uesugi | 4-6,6-4,1-6 |
| ITF Singapore F2 | 2018/05/22 07:45 | Barki, Justin v Kaito Uesugi | 2-6,4-6 |
| ITF Singapore F2 | 2018/05/20 03:00 | Kaito Uesugi v Butts, Skyler | 6-0,6-3 |
| ITF Singapore F2 | 2018/05/19 03:00 | Kaito Uesugi v Congsup Congcar | 6-1,6-2 |
| ITF Singapore F1 | 2018/05/17 03:00 | Kaito Uesugi v Thai-Son Kwiatkowski | 2-6,7-5,1-6 |
| ITF Singapore F1 | 2018/05/16 04:20 | Kaito Uesugi v Evans, Thomas | 6-2,6-4 |
| ITF Japan F7 | 2018/06/05 03:35 | Onozawa, Arata v Saito, Takashi | 6-7,4-6 |
| ITF Vietnam F3 | 2018/05/16 06:00 | Saito, Takashi v Song, Min-Kyu | 6-1,6-0 |
| ITF Vietnam F3 | 2018/05/14 03:00 | Saito, Takashi v Romios, Matthew Christopher | 7-6,6-1 |
| ITF Vietnam F2 | 2018/05/11 03:00 | Rio Noguchi v Saito, Takashi | 4-6,7-5,6-3 |
| ITF Vietnam F2 | 2018/05/09 03:00 | Wong, Chun Hun v Saito, Takashi | 7-6,1-6,5-7 |
| ITF Vietnam F2 | 2018/05/07 03:00 | Saito, Takashi v Moritani, Soichiro | 7-6,3-6,6-3 |
| ITF Vietnam F1 | 2018/05/04 03:00 | Vuradin, Lucas v Saito, Takashi | 7-5,6-4 |
| ITF Vietnam F1 | 2018/05/02 04:55 | Nguyen, Phuong van v Saito, Takashi | 1-6,4-6 |