Round: 26 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2017/10/17 05:20 | Yu, Cheng-Yu v Matheson, Sam | 6-4,6-4 |
| ITF Thailand F8 | 2017/10/10 08:55 | Singh, Karunuday v Yu, Cheng-Yu | 6-4,6-2 |
| Challenger Kaohsiung Qual | 2017/10/01 04:45 | Kim, Cheong-Eui v Yu, Cheng-Yu | 6-2,6-3 |
| Challenger Kaohsiung Qual | 2017/09/30 06:25 | Tsung-Hao Huang v Yu, Cheng-Yu | 1-6,2-6 |
| Coupe Davis | 2017/09/17 02:00 | Chung, Hyeon v Yu, Cheng-Yu | 6-4,6-2,6-1 |
| Thailande F6, Qualifications Simples | 2017/08/14 06:05 | Jumpei Yamasaki v Yu, Cheng-Yu | 3-6,7-6,6-4 |
| ITF Thailand F5 | 2017/08/08 04:20 | Jumpei Yamasaki v Yu, Cheng-Yu | 6-3,6-7,5-7 |
| ITF Thailand F4 | 2017/08/04 04:30 | Kuan-Yi Lee v Yu, Cheng-Yu | 6-4,6-2 |
| ITF Thailand F9 | 2017/10/16 03:00 | Punnakrit Kritakara v Callahan, Hunter | 5-7,5-7 |
| ITF Thailand F8 Qual | 2017/10/08 05:50 | Callahan, Hunter v Kerdlaphee, Phongsapak | 3-6,7-5,5-7 |
| ITF Thailand F7 | 2017/10/03 02:45 | Takeuchi, Kento (1987) v Callahan, Hunter | 6-3,6-4 |
| ITF USA F31 | 2017/09/22 17:00 | Callahan, Hunter v Craig, Henry | 3-6,6-1,3-6 |
| ITF USA F31 | 2017/09/19 17:00 | Matias Franco Descotte v Callahan, Hunter | 3-6,4-6 |
| ITF USA F30 | 2017/09/13 16:00 | Verboven, Laurens v Callahan, Hunter | 7-6,4-6,6-4 |
| ITF Canada F5 | 2017/08/31 18:30 | Pavic, Ante v Callahan, Hunter | 7-6,6-4 |
| ITF Canada F5 | 2017/08/29 17:55 | Callahan, Hunter v Day, Alexander | 6-4,6-3 |