 Steffen Mengel | def. | Ruwen Filus | 4-3 (12-14, 11-9, 13-11, 11-13, 11-8, 13-15, 11-8) |
 Vitor Ishiy | def. |  Robin Devos | 4-1 (7-11, 11-9, 11-8, 14-12, 11-8) |
 Jesus Cantero | def. |  Lionel Weber | 4-1 (11-8, 8-11, 11-8, 11-3, 11-9) |
| Dang Qiu | def. |  Yuma Tsuboi | 4-2 (2-11, 11-7, 11-6, 9-11, 11-9, 11-9) |
 Rares Sipos | def. | Tomoya Fujimura | 4-3 (11-6, 11-8, 11-4, 8-11, 9-11, 2-11, 11-4) |
 Tomas Tregler | def. | Kilian Ort | 4-2 (7-11, 4-11, 11-9, 11-2, 11-6, 11-3) |
 Par Gerell | def. | Dennis Klein | 4-1 (11-7, 11-9, 11-13, 11-6, 11-7) |
 Yujia Zhai | def. |  Horacio Cifuentes | 4-3 (9-11, 11-6, 8-11, 12-10, 11-7, 8-11, 11-6) |
| Ruwen Filus | def. | Tomas Konecny | 4-1 (5-11, 11-9, 11-8, 11-4, 11-9) |
| Steffen Mengel | def. |  Bence Majoros | 4-1 (11-6, 9-11, 11-2, 11-8, 11-9) |
| Vitor Ishiy | def. | Gerrit Engemann | 4-0 (11-7, 11-6, 11-5, 12-10) |
| Robin Devos | def. |  Enzo Angles | 4-2 (10-12, 11-13, 12-10, 11-5, 11-8, 11-7) |
| Lionel Weber | def. |  Samuel Walker | 4-3 (14-12, 6-11, 14-12, 7-11, -7, 11-7, 11-6) |
| Jesus Cantero | def. | Tobias Hippler | 4-3 (11-13, 11-9, 11-7, 9-11, 12-14, 11-5, 11-9) |
| Dang Qiu | def. | Tamas Lakatos | 4-0 (11-6, 11-3, 11-7, 11-2) |
| Yuma Tsuboi | def. | Lubomir Jancarik | 4-3 (10-12, 11-5, 7-11, 11-8, 8-11, 11-7, 11-7) |
| Rares Sipos | def. | Kohei Sambe | 4-3 (10-12, 11-6, 11-8, 12-14, 8-11, 14-12, 11-8) |
| Tomoya Fujimura | def. |  Tzu-Hsiang Hung | 4-3 (11-6, 12-10, 13-11, 8-11, 6-11, 9-11, 11-9) |
| Kilian Ort | def. |  Patryk Zatowka | 4-3 (12-10, 11-3, 8-11, 5-11, 11-2, 7-11, 11-7) |
| Tomas Tregler | def. |  Marcos Madrid | 4-1 |
| Par Gerell | def. | Alexandre Robinot | 4-2 (11-4, 11-13, 11-7, 11-9, 8-11, 11-7) |
| Dennis Klein | def. |  Leonardo Mutti | 4-3 (6-11, 11-3, 1-11, 11-8, 11-2, 8-11, 11-6) |
| Horacio Cifuentes | def. | Carlos Machado | 4-3 (11-3, 5-11, 11-8, 11-9, 8-11, 5-11, 11-5) |
| Yujia Zhai | def. |  Robert Gardos | 4-1 (11-8, 11-7, 7, 3-11, 11-7) |
| Ruwen Filus | def. | Stanislav Kucera | 4-1 (7-11, 11-4, 11-5, 11-6, 11-3) |
| Tomas Konecny | def. | Humberto Manhani | 4-1 (9-11, 11-6, 11-8, 11-6, 11-8) |
| Steffen Mengel | def. |  Gavin Rumgay | 4-0 (11-7, 11-9, 11-6, 11-9) |
| Bence Majoros | def. | Antonino Amato | 4-2 (7-11, 14-12, 11-9, 11-3, 9-11, 11-3) |
| Vitor Ishiy | def. | Alexander Chen | 4-1 (11-4, 11-9, 13-15, 11-8, 11-9) |
| Gerrit Engemann | def. |  Eric Glod | 4-0 (11-5, 11-8, 11-6, 11-8) |
| Enzo Angles | def. |  Andrey Semenov | 4-1 (5-11, 11-9, 11-4, 11-8, 11-8) |
| Robin Devos | def. | Marco Rech Daldosso | 4-1 (11-6, 13-11, 11-7, 9-11, 11-7) |
| Samuel Walker | def. |  Birdie Boro | 4-2 (11-4, 7-11, 11-7, 11-5, 9-11, 11-3) |
| Lionel Weber | def. | Qiyao Han | 4-2 (6-11, 11-9, 11-3, 11-6, 10-12, 14-12) |
| Tobias Hippler | def. | Adam Szudi | 4-2 (7-11, 11-7, 15-13, 4-11, 11-7, 11-7) |
| Jesus Cantero | def. | Heng-Wei Yang | 4-2 (11-6, 11-8, 8-11, 11-9, 3-11, 11-8) |
| Dang Qiu | def. | Chia-Sheng Lee | 4-3 (11-7, 3-11, 12-10, 11-5, 11-13, 7-11, 11-7) |
| Tamas Lakatos | def. | Sanil Shetty | 4-2 (5-11, 11-2, 11-6, 8-11, 11-9, 11-6) |
| Yuma Tsuboi | def. |  Alejandro Toranzos | 4-0 (11-5, 11-8, 11-3, 11-8) |
| Lubomir Jancarik | def. | Bastien Rembert | 4-3 (11-8, 11-13, 11-9, 5-11, 10-12, 11-5, 11-7) |
| Rares Sipos | def. | Eric Jouti | 4-0 (11-6, 11-6, 11-8, 11-9) |
| Kohei Sambe | def. | Joe Seyfried | 4-2 (11-9, 10-12, 11-7, 7, 8-11, 11-7) |
| Tzu-Hsiang Hung | def. | Tobias Rasmussen | 4-2 (7-11, 11-7, 11-6, 11-7, 13-15, 11-8) |
| Tomoya Fujimura | def. | Thiago Monteiro | 4-2 (11-6, 11-9, 7-11, 11-5, 4-11, 11-8) |
| Patryk Zatowka | def. | Nandor Ecseki | 4-3 (4-11, 14-12, 7-11, 11-6, 12-10, 9-11, 11-8) |
| Kilian Ort | def. |  Laurens Tromer | 4-2 (11-13, 11-5, 3-11, 11-6, 14-12, 11-9) |
| Tomas Tregler | def. | Yusuke Sadamatsu | 4-2 (11-9, 11-0, 11-5, 8-11, 9-11, 11-1) |
| Marcos Madrid | def. | Guillermo Martinez | 4-1 (9-11, 11-9, 11-7, 11-5, 11-3) |
| Alexandre Robinot | def. | Alexandru Cazacu | 4-0 (11-2, 11-9, 11-5, 11-3) |
| Par Gerell | def. | Tai-Wei Wang | 4-2 (12-10, 11-9, 5-11, 2-11, 11-6, 11-6) |
| Leonardo Mutti | def. | David Reitspies | 4-3 (11-8, 11-13, 11-8, 5-11, 11-8, 12-14, 11-7) |
| Dennis Klein | def. |  Felipe Olivares | 4-1 (11-8, 11-6, 11-3, 10-12, 11-3) |
| Horacio Cifuentes | def. |  Mahmoud Helmy | 4-0 (11-8, 11-6, 11-9, 11-7) |
| Carlos Machado | def. | Laurens Devos | 4-3 (10-12, 5-11, 11-7, 10-12, 11-9, 12-10, 11-9) |
| Yujia Zhai | def. | Shuainan Chen | 4-2 (13-11, 11-7, 11-3, 10-12, 10-12, 11-5) |
| Robert Gardos | def. | Youssef Abdel-Aziz | 4-3 (11-6, 11-13, 8-11, 11-7, 7, 10-12, 11-9) |
