| 25th May - 10h10 |  Jon Persson | def. |  Chun Ting Wong | 4-2 (6-11, 5-11, 11-5, 11-9, 11-9, 12-10) |
| 25th May - 10h10 |  Seungmin Cho | def. | Woojin Jang | 4-1 (13-11, 11-9, 14-12, 9-11, 11-9) |
| 25th May - 10h10 |  Maharu Yoshimura | def. |  Omar Assar | 4-0 (11-3, 11-9, 11-6, 11-7) |
| 25th May - 10h10 |  Qihao Zhou | def. |  Patrick Franziska | 4-1 (12-10, 13-15, 11-9, 11-8, 12-10) |
| 25th May - 13h20 | Jonghoon Lim | def. | Donghyun Kim | 4-3 (8-11, 12-14, 11-4, 11-8, 13-11, 8-11, 11-7) |
| 25th May - 13h20 |  Marcos Freitas | def. |  Quadri Aruna | 4-2 (13-11, 9-11, 11-7, 13-11, 10-12, 11-6) |
| 25th May - 13h20 | Sang-su Lee | def. | Jin Ueda | 4-1 (11-8, 11-7, 9-11, 11-7, 11-7) |
| 25th May - 13h20 | Kazuhiro Yoshimura | def. | Ruwen Filus | 4-1 (11-7, 11-2, 14-12, 8-11, 11-7) |
| 24th May - 08h40 | Jon Persson | def. |  Emmanuel Lebesson | 4-0 (11-8, 11-3, 11-4, 11-9) |
| 24th May - 08h40 | Patrick Franziska | def. | Tianyi Jiang | 4-3 (8-11, 12-14, 11-4, 11-9, 9-11, 11-8, 11-7) |
| 24th May - 08h40 | Qihao Zhou | def. |  Jonathan Groth | 4-0 (11-8, 12-10, 11-4, 12-10) |
| 24th May - 08h40 | Chun Ting Wong | def. |  Daniel Habesohn | 4-0 (11-7, 13-11, 14-12, 12-10) |
| 24th May - 09h30 | Seungmin Cho | def. | Bastian Steger | 4-2 (7-11, 11-6, 13-11, 11-8, 10-12, 11-4) |
| 24th May - 09h30 | Woojin Jang | def. | Kenta Matsudaira | 4-0 (11-6, 11-8, 11-7, 11-7) |
| 24th May - 09h30 | Omar Assar | def. |  Ning Gao | 4-1 (11-7, 11-9, 11-9, 9-11, 12-10) |
| 24th May - 09h30 | Maharu Yoshimura | def. | Jike Zhang | 4-3 (11-9, 8-11, 13-11, 13-15, 6-11, 11-8, 11-9) |
| 24th May - 14h10 | Jonghoon Lim | def. | Sangeun Jeong | 4-1 (11-8, 11-8, 5-11, 11-4, 12-10) |
| 24th May - 14h10 | Donghyun Kim | def. |  Chih-Yuan Chuang | 4-2 (14-12, 8-11, 9-11, 12-10, 11-7, 11-6) |
| 24th May - 14h10 | Marcos Freitas | def. | Benedikt Duda | 4-1 (11-8, 4-11, 11-5, 11-8, 15-13) |
| 24th May - 14h10 | Quadri Aruna | def. | Yukiya Uda | 4-3 (9-11, 11-5, 11-8, 6-11, 11-8, 9-11, 11-3) |
| 24th May - 15h00 | Sang-su Lee | def. | Linfeng Zhu | 4-3 (4-11, 11-4, 13-11, 10-12, 7-11, 15-13, 11-5) |
| 24th May - 15h00 | Ruwen Filus | def. |  Sathiyan Gnanasekaran | 4-0 (11-8, 12-10, 12-10, 11-7) |
| 24th May - 15h00 | Kazuhiro Yoshimura | def. | Yuya Oshima | 4-1 (11-4, 11-7, 12-10, 9-11, 16-14) |
| 24th May - 15h00 | Jin Ueda | def. | Masaki Yoshida | 4-3 (12-10, 7-11, 8-11, 8-11, 11-9, 11-5, 13-11) |
