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