Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Burnie | 2018/01/30 01:35 | Marc Polmans v Kaichi Uchida | 4-6,6-1,6-2 |
| Challenger Burnie Qual | 2018/01/28 02:00 | Kaichi Uchida v Liam Caruana | 6-3,2-6,4-6 |
| Challenger Burnie Qual | 2018/01/27 04:45 | Kaichi Uchida v Ulises Blanch | 6-2,6-4 |
| Challenger Burnie Qual | 2018/01/26 23:00 | Kaichi Uchida v Michael Look | 6-3,6-4 |
| Challenger Newport Beach Qual | 2018/01/20 20:00 | Dennis Novikov v Kaichi Uchida | 6-1,3-6,7-6 |
| ITF USA F2 | 2018/01/13 19:00 | Kaichi Uchida v Collin Altamirano | 3-6,2-6 |
| ITF USA F2 | 2018/01/12 18:00 | Daniel Cukierman v Kaichi Uchida | 0-6,2-6 |
| ITF USA F2 | 2018/01/11 18:30 | Sam Riffice v Kaichi Uchida | 6-2,3-6,1-6 |
| ITF Hong Kong F6 | 2018/01/03 03:20 | Harri Heliovaara v Chan-Yeong Oh | 6-1,6-3 |
| ITF Hong Kong F6 | 2018/01/02 03:55 | Chan-Yeong Oh v Anthony Jackie Tang | 7-5,6-4 |
| ITF Hong Kong F5 | 2017/12/26 05:45 | Tung-Lin Wu v Chan-Yeong Oh | 6-2,7-6 |
| 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 | Chan-Yeong Oh v Alec Adamson | 7-5,6-3 |
| ITF Hong Kong F4 | 2017/12/18 02:00 | Shao-Fan Liu v Chan-Yeong Oh | 7-6,6-2 |
| ITF Korea F4 | 2017/06/22 02:00 | Chan-Yeong Oh v Min-Kyu Song | 5-7,2-6 |
| ITF Korea F4 | 2017/06/20 03:40 | Chan-Yeong Oh v Tae-Woo Lee | 7-6,7-6 |