Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF Vietnam F3 | 2017/11/25 03:00 | Issei Okamura v Arjun Kadhe | 1-6,1-6 |
| ITF Vietnam F3 | 2017/11/24 03:00 | Rio Noguchi v Issei Okamura | 2-6,2-6 |
| ITF Vietnam F3 | 2017/11/22 03:00 | Michael Look v Issei Okamura | 6-7,2-6 |
| ITF Vietnam F3 | 2017/11/21 04:30 | Issei Okamura v Yan Sabanin | 6-4,6-1 |
| Challenger Toyota Qual | 2017/11/11 03:40 | Issei Okamura v Makoto Ochi | 6-7,6-7 |
| Challenger Kobe Qual | 2017/11/04 06:30 | Issei Okamura v Takuto Niki | 6-3,2-6,2-6 |
| ITF Thailand F9 | 2017/10/16 05:20 | Issei Okamura v Enrico Dalla Valle | 6-4,3-6,2-6 |
| ITF Thailand F8 Qual | 2017/10/09 03:25 | Riccardo Balzerani v Issei Okamura | 6-3,6-1 |
| ITF Hong Kong F6 | 2018/01/03 02:00 | Lingxi Zhao v Takuto Niki | 1-6,1-6 |
| ITF Hong Kong F6 | 2018/01/02 03:20 | Pak Long Yeung v Lingxi Zhao | 7-6,5-7,3-6 |
| ITF Hong Kong F6 | 2017/12/31 03:00 | Lingxi Zhao v Yutaro Matsuzaki | 6-3,7-5 |
| ITF Hong Kong F6 | 2017/12/30 03:00 | Maxence Broville v Lingxi Zhao | 3-6,3-6 |
| ITF Hong Kong F5 | 2017/12/23 02:00 | Michael Zhu v Lingxi Zhao | 6-0,7-5 |
| Australian Open WC | 2017/11/29 03:40 | Soonwoo Kwon v Lingxi Zhao | 7-5,6-1 |
| Australian Open WC Qual | 2017/11/28 03:25 | Lingxi Zhao v Toshihide Matsui | 6-4,7-5 |
| ITF Thailand F1 | 2017/06/17 05:30 | Lingxi Zhao v Phongsapak Kerdlaphee | 2-6,0-6 |