 Yuto Muramatsu | batte |  Jangmok Lee | 4-0 (11-5, 12-10, 16-14, 11-6) |
 Xiang Lyu | batte | Seungmin Cho | 4-2 (9-11, 9-11, 11-3, 11-9, 11-7, 11-4) |
| Fei Xue | batte |  Dang Qiu | 4-0 (11-8, 11-7, 11-5, 11-7) |
| Jingkun Liang | batte |  Anton Kallberg | 4-2 (11-8, 12-10, 11-3, 4-11, 12-14, 11-6) |
| Dingshuo Liu | batte |  Hugo Calderano | 4-2 (11-3, 7-11, 12-10, 11-6, 11-7, 11-4) |
| Chuqin Wang | batte |  Filip Zeljko | 4-0 (11-7, 11-7, 11-9, 11-7) |
| Minhyeok Kim | batte |  Ka Tak Hung | 4-0 (11-7, 11-6, 11-7, 11-5) |
| Ziyang Yu | batte | Yuma Tsuboi | 4-0 (11-8, 11-8, 11-7, 13-11) |
| Yuto Muramatsu | batte |  Alexandre Cassin | 4-0 (11-4, 11-2, 14-12, 11-9) |
| Jangmok Lee | batte |  Andreas Dilling | 4-0 (11-8, 14-12, 12-10, 11-6) |
| Seungmin Cho | batte |  Aliaksandr Khanin | 4-2 (11-8, 9-11, 11-8, 11-5, 10-12, 11-7) |
| Xiang Lyu | batte |  Wang-Wei Peng | 4-2 (11-9, 9-11, 9-11, 13-11, 11-6, 11-5) |
| Dang Qiu | batte | Kwan-Kit Ho | 4-2 (9-11, 13-11, 12-10, 12-10, 4-11, 11-9) |
| Fei Xue | batte | Tomislav Pucar | 4-0 (11-5, 11-5, 11-8, 12-10) |
| Anton Kallberg | batte | Heng-Wei Yang | 4-2 (13-15, 11-2, 11-8, 13-11, 9-11, 11-3) |
| Jingkun Liang | batte | Kazuhiro Yoshimura | 4-0 (12-10, 11-6, 11-9, 11-7) |
| Hugo Calderano | batte |  Patryk Zatowka | 4-1 (11-5, 11-8, 13-11, 10-12, 11-6) |
| Dingshuo Liu | batte |  Jing Yuan Yin | 4-1 (11-8, 8-11, 11-7, 11-6, 11-8) |
| Chuqin Wang | batte | Hon Ming Li | 4-0 (11-4, 11-7, 11-5, 11-9) |
| Filip Zeljko | batte |  Adam Szudi | 4-0 (11-9, 11-2, 11-6, 11-9) |
| Minhyeok Kim | batte |  Kirill Gerassimenko | 4-0 (11-8, 11-8, 11-7, 11-4) |
| Ka Tak Hung | batte | Tai-Wei Wang | 4-3 (14-12, 3-11, 12-14, 11-7, 11-7, 5-11, 11-6) |
| Yuma Tsuboi | batte |  Cristian Pletea | 4-0 (11-7, 11-4, 11-7, 11-1) |
| Ziyang Yu | batte |  Padasak Tanviriyavechakul | 4-2 (11-8, 5-11, 11-4, 11-7, 9-11, 11-6) |
| Yuto Muramatsu | batte |  Fermin Tenti | 4-0 (11-1, 11-1, 11-7, 11-8) |
| Alexandre Cassin | batte |  Konstantin Chernov | 4-1 (11-6, 11-8, 7-11, 11-8, 11-8) |
| Andreas Dilling | batte | Man Ho Kwan | 4-1 (11-6, 5-11, 11-3, 12-10, 11-9) |
| Jangmok Lee | batte |  Diogo Chen | 4-3 (7-11, 11-7, 12-10, 6-11, 8-11, 11-4, 11-5 ) |
| Seungmin Cho | batte | Massao Kohatsu | 4-1 (11-4, 8-11, 11-6, 12-10, 11-4) |
| Aliaksandr Khanin | batte | Elias Ranefur | 4-0 (11-7, 11-4, 11-9, 11-4) |
| Wang-Wei Peng | batte | Bence Majoros | 4-1 (13-11, 5-11, 11-8, 11-7, 11-6) |
| Xiang Lyu | batte | Kilian Ort | 4-0 (11-9, 11-8, 11-5, 11-7) |
| Kwan-Kit Ho | batte | Romain Ruiz | 4-1 (11-9, 11-7, 6-11, 11-5, 12-10) |
| Dang Qiu | batte |  Alexander Valuch | 4-1 (11-7, 11-6, 11-4, 4-11, 12-10) |
| Tomislav Pucar | batte | Ganghyeon Park | 4-1 (11-6, 16-14, 9-11, 11-7, 11-7) |
| Fei Xue | batte |  Youssef Abdel-Aziz | 4-0 (11-4, 11-6, 11-2, 11-2) |
| Heng-Wei Yang | batte | Horacio Cifuentes | 4-1 (11-7, 8-11, 11-6, 11-5, 11-8) |
| Anton Kallberg | batte |  Stanislav Kucera | 4-3 (11-6, 6-11, 7-11, 11-6, 11-5, 7-11, 11-9) |
| Kazuhiro Yoshimura | batte | Claus Nielsen | 4-0 (14-12, 11-7, 11-3, 11-6) |
| Jingkun Liang | batte | Marek Badowski | 4-0 (11-4, 11-3, 11-8, 11-5) |
| Hugo Calderano | batte | Tomas Polansky | 4-0 (11-6, 15-13, 11-9, 11-8) |
| Patryk Zatowka | batte | Hsueh-Yu Lin | 4-2 (11-9, 8-11, 11-7, 13-11, 7-11, 11-9) |
| Jing Yuan Yin | batte | Sadi Ismailov | 4-1 (11-9, 11-6, 11-9, 6-11, 11-4) |
| Dingshuo Liu | batte | Aly Ghallab | 4-0 (11-4, 11-6, 11-1, 11-2) |
| Hon Ming Li | batte | Can Akkuzu | 4-0 (14-12, 11-5, 13-11, 11-8) |
| Chuqin Wang | batte |  Martin Allegro | 4-0 (14-12, 11-2, 11-2, 11-7) |
| Adam Szudi | batte | Carl Ahlander-J | 4-1 (11-6, 11-1, 11-8, 8-11, 11-9) |
| Filip Zeljko | batte | Asuka Sakai | 4-3 (3-11, 3-11, 3-11, 13-11, 11-8, 11-7, 11-5 ) |
| Minhyeok Kim | batte |  Kanak Jha | 4-1 (11-2, 9-11, 11-6, 11-5, 13-11) |
| Kirill Gerassimenko | batte |  Darko Jorgic | 4-1 (8-11, 11-6, 11-5, 11-9, 11-9) |
| Tai-Wei Wang | batte | Nandor Ecseki | 4-2 (11-4, 13-11, 7-11, 11-5, 4-11, 11-4) |
| Ka Tak Hung | batte | David Reitspies | 4-1 (11-6, 12-10, 10-12, 11-9, 11-5) |
| Yuma Tsuboi | batte | Jakub Folwarski | 4-0 (11-6, 11-7, 11-4, 11-4) |
| Cristian Pletea | batte | Nolan Givone | 4-0 (11-9, 11-8, 11-7, 11-8) |
| Padasak Tanviriyavechakul | batte | Anders Eriksson | 4-0 (11-6, 14-12, 11-6, 11-6) |
| Ziyang Yu | batte | Tobias Rasmussen | 4-0 (13-11, 11-6, 11-8, 11-7) |
