Stadium: Court 1 Round: 25 Ground: Grass
| Challenger Busan | 2017/05/21 02:20 | Go Soeda v Vasek Pospisil | 1-6,2-6 |
| Challenger Busan | 2017/05/20 03:45 | Soonwoo Kwon v Go Soeda | 4-6,2-6 |
| Challenger Busan | 2017/05/19 03:00 | Go Soeda v Matthew Ebden | 3-6,6-3,6-3 |
| Challenger Busan | 2017/05/17 06:30 | Blaz Kavcic v Go Soeda | 4-6,6-0,3-6 |
| Challenger Busan | 2017/05/16 03:25 | Seong Chan Hong v Go Soeda | 6-2,3-6,1-6 |
| Challenger Seoul | 2017/05/12 02:00 | Go Soeda v Thomas Fabbiano | 6-3,2-6,3-6 |
| Challenger Seoul | 2017/05/11 03:30 | Go Soeda v Young Seok Kim | 6-2,6-4 |
| Challenger Seoul | 2017/05/09 03:55 | Konstantin Kravchuk v Go Soeda | 4-6,3-6 |
| Challenger Surbiton Qual | 2017/06/04 17:05 | Lloyd Glasspool v Hiroki Moriya | 5-7,2-6 |
| Challenger Surbiton Qual | 2017/06/04 12:25 | Lloyd Glasspool v Alexander Ward | 6-3,6-4 |
| Challenger Busan Qual | 2017/05/13 02:00 | Liam Broady v Lloyd Glasspool | 6-3,6-1 |
| Challenger Seoul Qual | 2017/05/08 02:00 | Lloyd Glasspool v Shuichi Sekiguchi | 3-6,3-6 |
| Challenger Seoul Qual | 2017/05/07 05:10 | Juan Pablo Paz v Lloyd Glasspool | 3-6,2-6 |
| Challenger Seoul Qual | 2017/05/06 05:45 | Lloyd Glasspool v Sidharth Rawat | 6-7,6-4,7-6 |
| Challenger Gimcheon Qual | 2017/05/01 02:00 | Austin Krajicek v Lloyd Glasspool | 6-4,5-7,6-4 |
| Challenger Gimcheon Qual | 2017/04/30 04:50 | Lloyd Glasspool v Luke Saville | 6-4,4-6,6-0 |