 Kwan Kit Ho | def. |  Bence Majoros | 4-3 (6-11, 8-11, 13-11, 8-11, 11-3, 11-4, 13-11) |
 Fei Xue | def. |  Patryk Zatowka | 4-2 (11-9, 11-7, 3-11, 7-11, 11-6, 11-9) |
 Alexandre Cassin | def. |  Cristian Pletea | 4-1 (11-9, 5-11, 11-8, 11-9, 11-6) |
| Chuqin Wang | def. |  Seungmin Cho | 4-3 (12-14, 11-7, 11-2, 7-11, 11-7, 9-11, 12-10) |
| Dingshuo Liu | def. |  Darko Jorgic | 4-2 (11-7, 8-11, 11-7, 9-11, 11-8, 11-4) |
| Jaehyun An | def. | Can Akkuzu | 4-1 (11-1, 13-11, 10-12, 11-8, 11-4) |
| Cheng Zhu | def. |  Brian Afanador | 4-2 (11-9, 7-11, 14-12, 10-12, 11-9, 11-9) |
 Dennis Klein | def. | Pak Nam Ng | 4-3 (18-16, 11-8, 11-3, 3-11, 4-11, 5-11, 11-8) |
| Kwan Kit Ho | def. |  Thibault Darcis | 4-1 (14-12, 8-11, 11-9, 11-8, 11-6) |
| Bence Majoros | def. | Jeongwoo Park | 4-3 (8-11, 11-8, 8-11, 6-11, 12-10, 11-8, 11-5) |
| Patryk Zatowka | def. |  Tomas Polansky | 4-2 (13-11, 7-11, 7-11, 11-9, 11-9, 15-13) |
| Fei Xue | def. |  Kanak Jha | 4-0 (11-4, 11-7, 12-10, 11-6) |
| Alexandre Cassin | def. | Man Ho Kwan | 4-0 (11-5, 11-4, 11-7, 11-9) |
| Cristian Pletea | def. |  Malte Moregard | 4-3 (11-7, 11-8, 8-11, 8-11, 8-11, 11-8, 11-6) |
| Chuqin Wang | def. | Yat Hin Lee | 4-0 (11-5, 11-6, 11-9, 11-8) |
| Seungmin Cho | def. |  Andrey Semenov | 4-2 (11-4, 11-9, 7-11, 15-13, 3-11, 12-10) |
| Dingshuo Liu | def. | Irvin Bertrand | 4-0 (11-9, 11-6, 11-8, 11-3) |
| Darko Jorgic | def. | Konstantin Chernov | 4-1 (11-8, 7-11, 11-4, 11-9, 14-12) |
| Jaehyun An | def. | Simon Soderlund | 4-2 (11-6, 11-8, 11-9, 10-12, 4-11, 11-9) |
| Can Akkuzu | def. |  Ibrahim Gündüz | 4-3 (11-7, 11-13, 11-7, 11-9, 9-11, 10-12, 11-7) |
| Cheng Zhu | def. |  Aliaksandr Khanin | 4-0 (11-4, 12-10, 11-5, 11-6) |
| Brian Afanador | def. | Minha Hwang | 4-1 (11-8, 11-7, 11-4, 9-11, 13-11) |
| Pak Nam Ng | def. | Joe Seyfried | 4-3 (7-11, 10-12, 11-7, 11-3, 11-7, 3-11, 11-7) |
| Dennis Klein | def. | Anton Kallberg | 4-2 (11-7, 5-11, 11-8, 12-10, 7-11, 11-9) |
| Kwan Kit Ho | def. |  Nikola Marinkovic | 4-0 (11-8,11-8,11-8,11-8) |
| Thibault Darcis | def. | Romain Ruiz | 4-1 (7-11,11-8,11-9,12-10,11-7) |
| Bence Majoros | def. | Jack Wang | 4-0 (11-5,12-10,11-9,11-7) |
| Jeongwoo Park | def. |  Samuel Kaluzny | 4-0 (11-6,11-6,11-9,11-6) |
| Patryk Zatowka | def. | Oscar Perman | 4-1 (9-11,11-6,11-2,11-7,12-10) |
| Tomas Polansky | def. |  Carlos Vedriel | 4-0 (12-10,11-2,11-7,11-9) |
| Kanak Jha | def. | Rares Sipos | 4-3 (11-8,11-7,7-11,11-9,8-11,5-11,11-8) |
| Fei Xue | def. |  Francisco Sanchi | 4-0 (11-4,11-7,12-10,11-5) |
| Alexandre Cassin | def. | Mate Bruckner | 4-1 (12-14,11-3,11-5,12-10,11-6) |
| Man Ho Kwan | def. | Florian Cnudde | 4-1 (11-6,11-9,7-11,11-9,11-3) |
| Malte Moregard | def. |  Helshan Weerasinghe | 4-2 (11-13,11-8,11-8,11-8,7-11,11-5) |
| Cristian Pletea | def. | Marek Badowski | 4-1 (11-7, 11-6, 8-11, 11-8, 11-8) |
| Chuqin Wang | def. | Patrik Klos | 4-0 (11-7,11-6,11-3,11-5) |
| Yat Hin Lee | def. | Krishnateja Avvari | 4-3 (5-11,11-9,3-11,11-7,13-11,4-11,11-9) |
| Andrey Semenov | def. | Deni Kozul | 4-1 (11-9,11-6,11-13,11-9,17-15) |
| Seungmin Cho | def. | Kamil Nalepa | 4-0 (11-3,11-7,12-10,11-5) |
| Dingshuo Liu | def. |  Jordy Piccolin | 4-0 (12-10,11-2,11-2,11-4) |
| Irvin Bertrand | def. | Jonah Schlie | 4-0 (11-5,11-4,11-3,11-9) |
| Konstantin Chernov | def. | Laurens Devos | 4-0 (11-5,11-7,11-9,11-4) |
| Darko Jorgic | def. |  Karim Elhakem | 4-1 (8-11,11-9,11-6,11-6,12-10) |
| Jaehyun An | def. | Maksim Kiselev | 4-3 (9-11,11-8,6-11,9-11,11-3,11-7,11-5) |
| Simon Soderlund | def. |  Dillon Chambers | 4-0 (11-8,11-5,11-8,11-3) |
| Ibrahim Gündüz | def. | Tomasz Kotowski | 4-3 (4-11,11-8,8-11,9-11,11-8,11-7,11-8) |
| Can Akkuzu | def. |  Andreas Dilling | 4-0 (11-5,11-4,11-8,11-5) |
| Cheng Zhu | def. | Stanislav Kucera | 4-1 (11-4,11-4,8-11,11-6,11-8) |
| Aliaksandr Khanin | def. | Dominic Huang | 4-0 (11-9,11-7,11-4,11-5) |
| Minha Hwang | def. | Tom Sfiligoj | 4-2 (11-5,6-11,12-10,6-11,12-10,11-6) |
| Brian Afanador | def. | Léo De Nodrest | 4-2 (10-12,11-5,11-7,11-5,3-11,11-6) |
| Pak Nam Ng | def. | Aly Ghallab | 4-1 (11-8,7-11,11-7,12-10,11-7) |
| Joe Seyfried | def. | Istvan Molnar | 4-1 (10-12,11-9,11-4,12-10,11-5) |
| Dennis Klein | def. | Alexandru Manole | 4-1 (10-12,11-9,11-4,12-10,11-5) |
| Anton Kallberg | def. | Nikita Yarushin | 4-1 (6-11,11-2,11-9,11-6,12-10) |
