| 18th Aug - 18h10 |  Mizuki Oikawa | def. | Yukiya Uda | 4-0 (11-1, 11-6, 11-6, 11-7) |
| 18th Aug - 18h10 |  Dimitrij Ovtcharov | def. |  Elias Ranefur | 4-2 (8-11, 8-11, 11-6, 11-2, 11-8, 11-9) |
| 18th Aug - 18h10 |  Quadri Aruna | def. | Yuto Kizukuri | 4-3 (9-11, 7-11, 12-10, 4-11, 11-9, 13-11, 11-9) |
| 18th Aug - 18h10 | Asuka Machi | def. | Koyo Kanamitsu | 4-1 (12-10, 7-11, 11-6, 11-5, 11-7) |
| 18th Aug - 19h00 | Kenta Tazoe | def. | Taku Takakiwa | 4-1 (11-9, 12-10, 6-11, 11-7, 11-5) |
| 18th Aug - 19h00 | Kenta Matsudaira | def. | Maharu Yoshimura | 4-2 (12-10, 9-11, 11-6, 9-11, 11-9, 11-4) |
| 18th Aug - 19h00 | Kenta Matsudaira | def. |  Wang-Wei Peng | 4-1 (11-4, 7-11, 11-8, 11-8, 11-8) |
| 18th Aug - 19h00 | Jin Ueda | def. |  Cédric Nuytinck | 4-1 (11-7, 11-7, 12-10, 7-11, 11-8) |
| 17th Aug - 14h10 | Elias Ranefur | def. |  Quentin Robinot | 1-0 (11-6, ab.) |
| 17th Aug - 14h10 | Yukiya Uda | def. |  Tomas Konecny | 4-3 (11-8, 11-8, 8-11, 4-11, 8-11, 11-8, 11-7) |
| 17th Aug - 14h10 | Mizuki Oikawa | def. |  Bojan Tokic | 4-2 (11-4, 5-11, 11-8, 10-12, 11-4, 11-4) |
| 17th Aug - 14h10 | Dimitrij Ovtcharov | def. |  Kirill Skachkov | 4-2 (11-7, 11-4, 7-11, 10-12, 15-13, 11-1) |
| 17th Aug - 15h00 | Koyo Kanamitsu | def. |  Teodor Alexandrov | 4-2 (13-11, 11-7, 6-11, 15-13, 8-11, 11-3) |
| 17th Aug - 15h00 | Yuto Kizukuri | def. |  Soumyajit Ghosh | 4-2 (11-4, 8-11, 11-4, 11-9, 12-14, 12-10) |
| 17th Aug - 15h00 | Quadri Aruna | def. | Can Akkuzu | 4-3 (11-5, 8-11, 11-6, 11-6, 9-11, 6-11, 11-8) |
| 17th Aug - 15h00 | Asuka Machi | def. |  Paul Drinkhall | 4-0 (13-11, 11-9, 11-7, 11-3) |
| 17th Aug - 18h40 | Taku Takakiwa | def. | Dmitrij Prokopcov | 4-2 (11-9, 11-3, 6-11, 8-11, 11-9, 11-8) |
| 17th Aug - 18h40 | Kenta Tazoe | def. |  Robert Gardos | 4-2 (11-6, 11-7, 11-13, 6-11, 11-4, 11-8) |
| 17th Aug - 18h40 | Maharu Yoshimura | def. | Enzo Angles | 4-0 (11-7, 11-9, 11-8, 11-9) |
| 17th Aug - 18h40 | Kenta Matsudaira | def. |  Benedek Olah | 4-3 (11-5, 11-7, 8-11, 8-11, 11-9, 6-11, 11-7) |
| 17th Aug - 19h30 | Wang-Wei Peng | def. | Harmeet Desai | 4-1 (11-3, 9-11, 11-4, 11-7, 11-8) |
| 17th Aug - 19h30 | Kenta Matsudaira | def. | Tomas Tregler | 4-0 (11-7, 11-5, 11-6, 11-9) |
| 17th Aug - 19h30 | Jin Ueda | def. | Te-Hao Chou | 4-0 (11-4, 11-6, 11-3, 12-10) |
| 17th Aug - 19h30 | Cédric Nuytinck | def. | Tzu-Hsiang Hung | 4-1 (11-9, 8-11, 11-7, 11-7, 11-8) |
