| ITF Hong Kong F5 | 2017/12/24 02:00 | Chan-Yeong Oh v Yuto Sakai | 6-3,6-3 |
| ITF Hong Kong F5 | 2017/12/23 02:00 | Yuto Sakai v Congsup Congcar | 6-4,6-4 |
| Challenger Toyota Qual | 2017/11/11 07:35 | Hiroyasu Ehara v Yuto Sakai | 6-7,6-2,6-3 |
| Challenger Toyota Qual | 2017/11/11 02:15 | Yuto Sakai v Masaki Osafune | 7-6,1-6,6-1 |
| Challenger Kobe Qual | 2017/11/04 05:20 | Yuto Sakai v Sora Fukuda | 1-6,3-6 |
| ITF Japan F8 | 2017/06/15 01:00 | Yuto Sakai v Yusuke Watanuki | 4-6,6-3,3-6 |
| ITF Japan F8 | 2017/06/14 01:00 | Yuto Sakai v Yohei Ono | 7-5,6-0 |
| ITF Japan F8 | 2017/06/12 00:00 | Luca Castelnuovo v Yuto Sakai | 7-6,4-6,6-7 |
| ITF Hong Kong F5 | 2017/12/23 04:00 | Alberto Lim v Jack Murray | 3-6,6-2,4-6 |
| ITF Vietnam F3 | 2017/11/21 05:50 | Alberto Lim v Daniiar Duldaev | 2-6,7-6,3-6 |
| ITF Vietnam F2 | 2017/11/11 03:00 | Alberto Lim v Lawrence Bataljin | 6-1,3-6,5-7 |
| ITF Malaysia F3 | 2017/10/28 04:30 | Khumoyun Sultanov v Alberto Lim | 7-6,6-1 |
| ITF Malaysia F2 | 2017/10/26 02:40 | Martins Podzus v Alberto Lim | 6-0,2-6,6-1 |
| ITF Malaysia F2 | 2017/10/23 02:00 | Wilfredo Gonzalez v Alberto Lim | 4-6,4-6 |
| ITF Malaysia F2 | 2017/10/22 01:00 | Alberto Lim v Kunal Anand | 6-4,3-6,6-4 |
| ITF Malaysia F1 | 2017/10/18 01:50 | Alberto Lim v Takashi Saito | 3-6,6-3,4-6 |