Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F8 | 2017/10/10 08:55 | Karunuday Singh v Cheng-Yu Yu | 6-4,6-2 |
| Challenger Kaohsiung Qual | 2017/10/01 04:45 | Cheong-Eui Kim v Cheng-Yu Yu | 6-2,6-3 |
| Challenger Kaohsiung Qual | 2017/09/30 06:25 | Tsung-Hao Huang v Cheng-Yu Yu | 1-6,2-6 |
| Davis Cup | 2017/09/17 02:00 | Hyeon Chung v Cheng-Yu Yu | 6-4,6-2,6-1 |
| ITF Thailand F6 | 2017/08/14 06:05 | Jumpei Yamasaki v Cheng-Yu Yu | 3-6,7-6,6-4 |
| ITF Thailand F5 | 2017/08/08 04:20 | Jumpei Yamasaki v Cheng-Yu Yu | 6-3,6-7,5-7 |
| ITF Thailand F4 | 2017/08/04 04:30 | Kuan-Yi Lee v Cheng-Yu Yu | 6-4,6-2 |
| ITF Thailand F4 | 2017/08/03 02:30 | Cheng-Yu Yu v Shunrou Takeshima | 6-2,6-1 |
| ITF Thailand F8 Qual | 2017/10/08 05:45 | Jonathan Gray v Sam Matheson | 6-3,6-3 |
| ITF Thailand F7 Qual | 2017/10/01 08:30 | Sam Matheson v Yuta Shimizu | 4-6,3-6 |
| ITF Thailand F7 Qual | 2017/09/30 02:30 | Nawakarn Khunjan v Sam Matheson | 6-2,4-6,3-6 |
| ITF Thailand F6 | 2017/08/15 09:10 | Pruchya Isarow v Sam Matheson | 4-6,6-4,6-4 |
| ITF Thailand F6 Qual | 2017/08/14 04:10 | Anthony Susanto v Sam Matheson | 6-7,1-6 |
| ITF Thailand F6 Qual | 2017/08/13 04:05 | Sam Matheson v Vinayak Sharma Kaza | 6-7,7-6,6-2 |
| ITF Thailand F6 Qual | 2017/08/12 06:05 | Omer Yeshaya v Sam Matheson | 4-6,0-6 |
| ITF Thailand F5 Qual | 2017/08/06 03:30 | Sam Matheson v Yuanfeng Li | 5-7,5-7 |