| 17 May - 13h30 |  Benedikt Duda | derrota |  Yukiya Uda | 4-1 (11-7, 11-9, 3-11, 11-6, 11-6) |
| 17 May - 13h30 |  Robin Devos | derrota | Florent Lambiet | 4-3 (11-7, 11-6, 7-11, 11-6, 5-11, 7-11, 11-5) |
| 17 May - 13h30 |  Kristian Karlsson | derrota |  Can Akkuzu | 4-1 (6-11, 11-5, 11-7, 7, 11-8) |
| 17 May - 13h30 | Anton Kallberg | derrota |  Kanak Jha | 4-3 (11-13, 8-11, 11-6, 11-9, 9-11, 12-10, 11-8) |
| 17 May - 13h30 |  Tomislav Pucar | derrota | Takuya Jin | 4-1 (11-7, 13-11, 7-11, 11-3, 11) |
| 17 May - 13h30 |  Chih-Yuan Chuang | derrota | Shihao Wei | 4-3 (5-11, 11-7, 11-4, 11-3, 6-11, 7-11, 11-8) |
| 17 May - 13h30 |  Kirill Skachkov | derrota |  Darko Jorgic | 4-2 (11-9, 5-11, 11-6, 6-11, 14-12, 11-6) |
| 17 May - 13h30 | Shunsuke Togami | derrota | Masataka Morizono | 4-1 (6-11, 14-12, 11-4, 11-9, 11-5) |
| 16 May - 15h40 | Chih-Yuan Chuang | derrota | Jules Rolland | 4-1 (11-6, 11-9, 11-5, 10-12, 11-8) |
| 16 May - 15h40 | Shihao Wei | derrota | Alexander Shibaev | 4-1 (11-3, 12-10, 9-11, 11-9, 11-4) |
| 16 May - 15h40 | Shunsuke Togami | derrota | Deni Kozul | 4-2 (11-3, 3-11, 8-11, 11-4, 11-8, 11-5) |
| 16 May - 15h40 | Masataka Morizono | derrota | Mikhail Paykov | 4-2 (11-4, 7-11, 11-6, 5-11, 11-8, 11-5) |
| Robin Devos | derrota |  Marek Badowski | 4-0 (11-4, 11-5, 11-8, 11-7) |
| 16 May - 15h40 | Florent Lambiet | derrota |  Marcelo Aguirre | 4-1 (6-11, 11-6, 11-5, 11-9, 11-9) |
| 16 May - 15h40 | Anton Kallberg | derrota |  Yevhen Pryshchepa | 4-1 (11-9, 11-5, 7-11, 11-3, 11-7) |
| 16 May - 15h40 | Kanak Jha | derrota |  Aliaksandr Khanin | 4-0 (11-8, 11-4, 4, 11-7) |
| 16 May - 15h40 | Takuya Jin | derrota |  Gustavo Tsuboi | 4-0 (11-6, 11-6, 11-9, 11-8) |
| 16 May - 15h40 | Tomislav Pucar | derrota | Kenta Tazoe | 4-2 (11-5, 11-9, 11-2, 9-11, 11-13, 14-12) |
| 16 May - 15h40 | Kirill Skachkov | derrota |  Brian Afanador | 4-3 (4-11, 7-11, 11-9, 12-10, 5-11, 11-9, 11-5) |
| 16 May - 15h40 | Darko Jorgic | derrota |  Amalraj Anthony Arputharaj | 4-1 (11-7, 11-9, 9-11, 11-9, 11-6) |
| 16 May - 15h40 | Benedikt Duda | derrota | Thiago Monteiro | 4-2 (9-11, 13-11, 11-6, 9-11, 11-4, 11-6) |
| 16 May - 15h40 | Yukiya Uda | derrota |  Zokhid Kenjaev | 4-0 (11-6, 11-6, 12-10, 11-8) |
| 16 May - 15h40 | Can Akkuzu | derrota | Martin Allegro | 4-2 (10-12, 10-12, 14-12, 12-10, 12-10, 11-7) |
| 16 May - 15h40 | Kristian Karlsson | derrota | Elias Ranefur | 4-1 (6-11, 11-7, 11-8, 11-9, 15-13) |
| 16 May - 11h40 | Kanak Jha | derrota |  Alexandru Cazacu | 4-2 (11-6, 11-5, 5-11, 11-3, 6-11, 11-9) |
| 16 May - 11h40 | Mikhail Paykov | derrota | Pavel Platonov | 4-2 (10-12, 11-7, 8-11, 11-7, 7, 11-9) |
| 16 May - 11h40 | Marcelo Aguirre | derrota |  Carlos Machado | 4-2 (11-9, 9-11, 11-8, 7-11, 11-5, 11-5) |
| 16 May - 11h40 | Shihao Wei | derrota |  Andreas Levenko | 4-1 (11-5, 4-11, 11-7, 11-5, 11-8) |
| 16 May - 11h40 | Masataka Morizono | derrota | Truls Moregard | 4-1 (11-6, 11-7, 12-10, 8-11, 11-5) |
| 16 May - 11h40 | Yevhen Pryshchepa | derrota | Andrej Gacina | 4-2 (9-11, 11-13, 11-8, 8, 11-6, 11-5) |
| 16 May - 11h40 | Alexander Shibaev | derrota |  Juan Lamadrid | 4-0 (11-7, 11-3, 11-6, 11-3) |
| 16 May - 11h40 | Marek Badowski | derrota |  Lubomir Pistej | 4-1 (8-11, 11-6, 11-8, 12-10, 11-9) |
| 16 May - 11h40 | Anton Kallberg | derrota | Hibiki Tazoe | 4-0 (11-8, 11-9, 12-10, 11-9) |
| 16 May - 11h40 | Shunsuke Togami | derrota | Eric Jouti | 4-0 (11-5, 11-8, 11-9, 11-4) |
| 16 May - 11h40 | Robin Devos | derrota | Wang-Wei Peng | 4-1 (11-8, 12-10, 7-11, 11-8, 11-5) |
| 16 May - 11h40 | Chih-Yuan Chuang | derrota | Ronit Bhanja | 4-1 (8-11, 14-12, 11-5, 11-6, 11-7) |
| 16 May - 11h40 | Aliaksandr Khanin | derrota | Maksim Grebnev | 4-3 (9-11, 9-11, 11-4, 11-9, 4-11, 11-3, 11-7) |
| 16 May - 11h40 | Deni Kozul | derrota | Manav Vikash Thakkar | 4-0 (11-6, 11-9, 12-10, 11) |
| 16 May - 11h40 | Florent Lambiet | derrota | Vildan Gadiev | 4-2 (8-11, 11-9, 7-11, 11-8, 11-5, 11-6) |
| 16 May - 11h40 | Jules Rolland | derrota | Frane Kojic | 4-2 (5-11, 11-9, 2-11, 11-6, 6, 11-8) |
| 16 May - 12h30 | Martin Allegro | derrota | Ivan Nikulin | 4-1 (7-11, 11-5, 11-7, 11-8, 12-10) |
| 16 May - 12h30 | Kirill Skachkov | derrota | Yuki Hirano | 4-3 (9-11, 11-5, 3-11, 4-11, 13-11, 11-8, 11-7) |
| 16 May - 12h30 | Thiago Monteiro | derrota | Nils Hohmeier | 4-0 (14-12, 11-7, 7, 11-9) |
| 16 May - 12h30 | Gustavo Tsuboi | derrota |  Padasak Tanviriyavechakul | 4-1 (11-4, 11-7, 11-8, 10-12, 11-7) |
| 16 May - 12h30 | Elias Ranefur | derrota |  Horacio Cifuentes | 4-0 (13-11, 14-12, 11-5, 11-9) |
| 16 May - 12h30 | Brian Afanador | derrota | Samuel Novota | 4-1 (11-5, 8-11, 14-12, 11-8, 11-7) |
| 16 May - 12h30 | Yukiya Uda | derrota | Antoine Hachard | 4-3 (5-11, 8-11, 11-8, 11-9, 9-11, 13-11, 11-8) |
| 16 May - 12h30 | Takuya Jin | derrota | Alexey Liventsov | 4-0 (11-6, 11-6, 11-7, 11-3) |
| 16 May - 12h30 | Kristian Karlsson | derrota |  Gavin Rumgay | 4-3 (11-4, 8-11, 3-11, 11-6, 7-11, 11-7, 11-3) |
| 16 May - 12h30 | Amalraj Anthony Arputharaj | derrota | Dang Qiu | 4-0 (12-10, 16-14, 11-9, 11-8) |
| 16 May - 12h30 | Zokhid Kenjaev | derrota | Quentin Robinot | 4-1 (11-9, 5-11, 11-8, 11-9, 11-3) |
| 16 May - 12h30 | Kenta Tazoe | derrota |  Marcos Madrid | 4-3 (11-4, 11-9, 10-12, 11-6, 7-11, 8-11, 11-5) |
| 16 May - 12h30 | Darko Jorgic | derrota | Aleksandr Didukh | 4-1 (11-9, 15-13, 13-11, 9-11, 11-8) |
| 16 May - 12h30 | Can Akkuzu | derrota |  Shuainan Chen | 4-3 (13-11, 9-11, -9, 11-5, 11-8, 6-11, 11-6) |
| 16 May - 12h30 | Tomislav Pucar | derrota | Kenta Matsudaira | 4-1 (19-17, 10-12, 11-9, 11-8, 11-8) |
| 16 May - 12h30 | Benedikt Duda | derrota | Yuto Kizukuri | 4-1 (7-11, 11-7, 11-5, 11-7, 11-4) |
