| 24th Apr - 10h00 |  Xin Xu
Shiwen Liu | def. |  Alexander Shibaev
Polina Mikhailova | 4-0 (11-8, 11-6, 11-6, 11-2) |
| 24th Apr - 10h00 |  Masataka Morizono
Mima Ito | def. |  Woo-jin Jang
Hyun Jin Choi | 4-0 (11-7, 11-9, 11-3, 11-6) |
| 24th Apr - 10h00 | Zhendong Fan
Ning Ding | def. |  Tristan Flore
Laura Gasnier | 4-1 (11-6, 11-8, 11-9, 7-11, 11-5) |
| 24th Apr - 10h00 |  Patrick Franziska
Petrissa Solja | def. |  Yun-Ju Lin
I-Ching Cheng | 4-1 (11-9, 11-7, 5-11, 11-7, 11-8) |
| 24th Apr - 10h00 |  Kwan-Kit Ho
Ho Ching Lee | def. |  Ovidiu Ionescu
Bernadette-Cynthia Szöcs | 4-1 (11-9, 8-11, 11-6, 13-11, 12-10) |
| 24th Apr - 10h00 |  Lubomír Pištej
Barbora Balážová | def. |  Stefan Fegerl
Sofia Polcanova | 4-1 (12-14, 11-5, 11-8, 11-8, 11-6) |
| 24th Apr - 10h00 | Sang-su Lee
Ji-hee Jeon | def. |  Sathiyan Gnanasekaran
Archana Girish Kamath | 4-1 (11-6, 11-4, 7-11, 11-7, 11-8) |
| 24th Apr - 10h00 | Maharu Yoshimura
Kasumi Ishikawa | def. |  Adam Szudi
Szandra Pergel | 4-2 (5-11, 14-12, 6-11, 11-6, 11-8, 12-10) |
| 22th Apr - 20h45 | Kwan-Kit Ho
Ho Ching Lee | def. | Bence Majoros
Bernadett Balint | 4-1 (11-7, 11-4, 11-6, 8-11, 11-3) |
| 22th Apr - 20h45 | Masataka Morizono
Mima Ito | def. |  Abdullah Yigenler
Ozge Yilmaz | 4-0 (12-10, 11-4, 11-8, 11-9) |
| 22th Apr - 20h45 | Stefan Fegerl
Sofia Polcanova | def. |  Brian Afanador
Adriana Diaz | 4-2 (11-9, 11-9, 8-11, 10-12, 13-11, 11-8) |
| 22th Apr - 20h45 | Sang-su Lee
Ji-hee Jeon | def. |  Zhe Yu Clarence Chew
Ye Lin | 4-0 (11-6, 11-5, 11-8, 12-10) |
| 22th Apr - 20h45 | Woo-jin Jang
Hyun Jin Choi | def. |  Marcos Madrid
Yadira Silva | 4-0 (11-3, 11-8, 11-5, 11-2) |
| 22th Apr - 20h45 | Zhendong Fan
Ning Ding | def. | Chun Ting Wong
Hoi Kem Doo | 4-0 (11-7, 11-9, 18-16, 11-5) |
| 22th Apr - 20h45 | Adam Szudi
Szandra Pergel | def. |  Kanak Jha
Yang Wu | 4-0 (11-8, 11-5, 12-10, 11-4) |
| 22th Apr - 20h45 | Sathiyan Gnanasekaran
Archana Girish Kamath | def. |  Alvaro Robles
Galia Dvorak | 4-1 (11-9, 11-4, 11-8, 11-13, 11-9) |
| 22th Apr - 20h45 | Patrick Franziska
Petrissa Solja | def. | Samuel Kaluzny
Tatiana Kukulkova | 4-0 (11-7, 11-2, 11-6, 11-4) |
| 22th Apr - 20h45 | Tristan Flore
Laura Gasnier | def. |  Yaroslav Zhmudenko
Solomiya Brateyko | 4-1 (11-1, 11-5, 11-13, 11-5, 11-4) |
| 22th Apr - 20h45 | Maharu Yoshimura
Kasumi Ishikawa | def. |  Yu Song Ham
Hyo Sim Cha | 4-0 (11-8, 11-7, 11-8, 11-9) |
| 22th Apr - 20h45 | Alexander Shibaev
Polina Mikhailova | def. |  Mattias Falck
Matilda Ekholm | 4-1 (11-9, 11-9, 11-3, 7-11, 13-11) |
| 22th Apr - 20h45 | Yun-Ju Lin
I-Ching Cheng | def. |  Padasak Tanviriyavechakul
Suthasini Sawettabut | 4-0 (11-7, 11-4, 11-4, 11-6) |
| 22th Apr - 20h45 | Ovidiu Ionescu
Bernadette-Cynthia Szöcs | def. |  Marek Badowski
Natalia Bajor | 4-1 (6-11, 11-8, 15-13, 12-10, 11-9) |
| 22th Apr - 20h45 | Xin Xu
Shiwen Liu | def. |  Tomas Polansky
Hana Matelova | 4-0 (11-8, 11-5, 11-6, 12-10) |
| 22th Apr - 20h45 | Lubomír Pištej
Barbora Balážová | def. | Dang Qiu
Nina Mittelham | 4-2 (11-7, 12-10, 7-11, 11-8, 8-11, 11-8) |
| 22th Apr - 18h00 | Tristan Flore
Laura Gasnier | def. | Ji Song An
Nam Hae Kim | 4-3 (12-10, 10-12, 11-9, 14-12, 9-11, 4-11, 11-6) |
| 22th Apr - 18h00 | Brian Afanador
Adriana Diaz | def. | Kristian Karlsson
Christina Källberg | 4-2 (4-11, 9-11, 12-10, 11-7, 11-7, 11-7) |
| 22th Apr - 18h00 | Abdullah Yigenler
Ozge Yilmaz | def. |  Segun Toriola
Olufunke Oshonaike | 4-3 (11-8, 11-6, 13-11, 10-12, 6-11, 8-11, 11-4) |
| 22th Apr - 18h00 | Sang-su Lee
Ji-hee Jeon | def. |  Pavel Platonov
Nadezhda Bogdanova | 4-0 (11-8, 13-11, 11-4, 11-7) |
| 22th Apr - 18h00 | Maharu Yoshimura
Kasumi Ishikawa | def. |  Lionel Weber
Rachel Moret | 4-1 (9-11, 12-10, 11-4, 11-8, 11-7) |
| 22th Apr - 18h00 | Padasak Tanviriyavechakul
Suthasini Sawettabut | def. |  Horacio Cifuentes
Camila Arguelles | 4-2 (11-5, 11-9, 7-11, 10-12, 11-5, 11-3) |
| 22th Apr - 18h00 | Alexander Shibaev
Polina Mikhailova | def. |  Eric Glod
Sarah De Nutte | 4-0 (11-5, 11-9, 11-5, 11-5) |
| 22th Apr - 18h00 | Ovidiu Ionescu
Bernadette-Cynthia Szöcs | def. | Wang-Wei Peng
Hsien-Tzu Cheng | 4-0 (11-3, 12-10, 11-8, 11-8) |
| 22th Apr - 18h00 | Stefan Fegerl
Sofia Polcanova | def. |  Niagol Stoyanov
Giorgia Piccolin | 4-1 (11-8, 7-11, 13-11, 11-7, 11-8) |
| 22th Apr - 18h00 | Marcos Madrid
Yadira Silva | def. |  Khalid Assar
Yousra Helmy | 4-0 (11-8, 11-5, 11-9, 11-6) |
| 22th Apr - 18h00 | Zhe Yu Clarence Chew
Ye Lin | def. |  Kane Townsend
Michelle Bromley | 4-1 (11-2, 11-8, 11-6, 7-11, 11-4) |
| 22th Apr - 18h00 | Chun Ting Wong
Hoi Kem Doo | def. | Cristian Pletea
Elizabeta Samara | 4-0 (11-3, 11-5, 11-4, 11-5) |
| 22th Apr - 18h00 | Yun-Ju Lin
I-Ching Cheng | def. |  Zsolt Peto
Andrea Todorovic | 4-0 (11-7, 11-5, 11-4, 11-8) |
| 22th Apr - 18h00 | Tomas Polansky
Hana Matelova | def. | Heming Hu
Melissa Tapper | 4-3 (8-11, 11-9, 11-7, 10-12, 11-7, 9-11, 11-6) |
| 22th Apr - 18h00 | Marek Badowski
Natalia Bajor | def. | Sharath Kamal Achanta
Manika Batra | 4-1 (12-14, 11-6, 11-5, 11-6, 11-3) |
| 22th Apr - 18h00 | Adam Szudi
Szandra Pergel | def. |  Tobias Rasmussen
Stefanie Christensen | 4-1 (11-8, 11-9, 8-11, 11-8, 11-6) |
| 22th Apr - 18h00 | Woo-jin Jang
Hyun Jin Choi | def. |  Juan Lamadrid
Paulina Vega | 4-0 (11-7, 11-8, 11-6, 11-8) |
| 22th Apr - 18h00 | Sathiyan Gnanasekaran
Archana Girish Kamath | def. |  Laurens Tromer
Britt Eerland | 4-0 (11-8, 14-12, 11-9, 11-3) |
| 22th Apr - 18h00 | Zhendong Fan
Ning Ding | def. | Nandor Ecseki
Dora Madarasz | 4-1 (11-1, 11-7, 5-11, 11-6, 11-5) |
| 22th Apr - 18h00 | Lubomír Pištej
Barbora Balážová | def. | Jesus Cantero
Maria Xiao | 4-1 (9-11, 13-11, 11-2, 12-10, 11-8) |
| 22th Apr - 18h00 | Xin Xu
Shiwen Liu | def. | Luka Mladenovic
Xialian Ni | 4-0 (11-6, 11-4, 11-4, 11-2) |
| 22th Apr - 18h00 | Bence Majoros
Bernadett Balint | def. | Aleksandar Karakasevic
Izabela Lupulesku | 4-3 (6-11, 11-9, 12-10, 11-8, 6-11, 10-12, 11-9) |
| 22th Apr - 18h00 | Kanak Jha
Yang Wu | def. | Jakub Dyjas
Natalia Partyka | 4-2 (12-10, 11-3, 11-5, 2-11, 14-16, 11-2) |
| 22th Apr - 18h00 | Patrick Franziska
Petrissa Solja | def. | Denis Ivonin
Yana Noskova | 4-0 (11-7, 14-12, 11-8, 11-7) |
| 22th Apr - 18h00 | Alvaro Robles
Galia Dvorak | def. | Mihai Bobocica
Debora Vivarelli | 4-2 (13-11, 8-11, 12-10, 2-11, 11-6, 11-8) |
| 22th Apr - 18h00 | Yaroslav Zhmudenko
Solomiya Brateyko | def. | Omar Assar
Dina Meshref | 4-3 (3-11, 7-11, 11-7, 11-9, 11-13, 11-5, 11-7) |
| 22th Apr - 18h00 | Dang Qiu
Nina Mittelham | def. |  Cédric Nuytinck
Lisa Lung | 4-3 (8-11, 11-7, 11-8, 11-9, 7-11, 8-11, 11-9) |
| 22th Apr - 18h00 | Masataka Morizono
Mima Ito | def. |  Kutbidillo Teshaboev
Rozalina Khadjieva | 4-0 (11-1, 11-2, 11-4, 11-5) |
| 22th Apr - 18h00 | Kwan-Kit Ho
Ho Ching Lee | def. | Supanut Wisutmaythangkoon
Orawan Paranang | 4-1 (9-11, 11-7, 11-8, 11-4, 11-9) |
| 22th Apr - 18h00 | Yu Song Ham
Hyo Sim Cha | def. |  Eric Jouti
Lin Gui | 4-2 (8-11, 11-9, 11-4, 7-11, 11-7, 11-8) |
| 22th Apr - 18h00 | Samuel Kaluzny
Tatiana Kukulkova | def. | Gaston Alto
Ana Codina | 4-2 (13-11, 11-9, 10-12, 11-6, 9-11, 11-6) |
| 22th Apr - 18h00 | Mattias Falck
Matilda Ekholm | def. | Gustavo Tsuboi
Bruna Takahashi | 4-1 (11-4, 11-7, 3-11, 11-9, 13-11) |
