| 1st Jun - 10h00 |  Sang-su Lee
Ha-eun Yang | def. |  Krisztian Nagy
Szandra Pergel | 4-0 (11-2, 11-8, 11-4, 11-5) |
| 1st Jun - 10h00 |  Chun Ting Wong
Hoi Kem Doo | def. |  Jonathan Groth
 Yalan Feng | 4-3 (11-8, 11-8, 5-11, 7-11, 9-11, 11-9, 11-8) |
| 1st Jun - 10h00 |  Mattias Karlsson
Matilda Ekholm | def. |  Grigory Vlasov
Yana Noskova | 4-2 (5-11, 11-7, 11-8, 12-10, 10-12, 11-5) |
| 1st Jun - 10h00 |  Alvaro Robles
Galia Dvorak | def. |  Omar Assar
Dina Meshref | 4-1 (13-11, 11-7, 8-11, 11-9, 12-10) |
| 1st Jun - 10h00 | Bo Fang
 Petrissa Solja | def. |  Chih-Yuan Chuang
Szu-yu Chen | 4-0 (11-4, 11-9, 11-6, 11-7) |
| 1st Jun - 10h00 | Chien-an Chen
I-Ching Cheng | def. | Steffen Mengel
Kristin Silbereisen | 4-2 (8-11, 8-11, 11-8, 11-8, 11-4, 11-6) |
| 1st Jun - 10h00 |  Maharu Yoshimura
Kasumi Ishikawa | def. |  Sin Hyok Pak
Hyon Sim Ri | 4-1 (4-11, 11-7, 11-8, 13-11, 11-6) |
| 1st Jun - 10h00 | Kenta Tazoe
Miyu Maeda | def. | Woojin Jang
Zion Lee | 4-1 (11-7, 11-7, 8-11, 11-5, 11-4) |
| 30th May - 21h15 | Sin Hyok Pak
Hyon Sim Ri | def. |  Gaston Alto
Ana Codina | 4-0 (11-6, 11-6, 11-3, 12-10) |
| 30th May - 21h15 | Chien-an Chen
I-Ching Cheng | def. |  Rajko Gommers
Kim Vermaas | 4-0 (11-9, 11-7, 11-5, 11-9) |
| 30th May - 21h15 | Grigory Vlasov
Yana Noskova | def. |  Padasak Tanviriyavechakul
Suthasini Sawettabut | 4-2 (14-12, 9-11, 13-11, 9-11, 11-9, 11-6) |
| 30th May - 21h15 | Krisztian Nagy
Szandra Pergel | def. |  Vitor Ishiy
Caroline Kumahara | 4-0 (11-6, 11-8, 11-1, 11-5) |
| 30th May - 21h15 | Steffen Mengel
Kristin Silbereisen | def. |  Harmeet Desai
Madhurika Patkar | 4-2 (8-11, 8-11, 11-9, 11-7, 12-10, 11-9) |
| 30th May - 21h15 | Chih-Yuan Chuang
Szu-yu Chen | def. |  Xue Jie Pang
Meng Yu Yu | 4-3 (11-6, 5-11, 16-14, 11-4, 8-11, 7-11, 11-9) |
| 30th May - 21h15 | Sang-su Lee
Ha-eun Yang | def. | Pattaratorn Passara
Nanthana Komwong | 4-0 (11-4, 11-6, 11-6, 11-6) |
| 30th May - 21h15 | Omar Assar
Dina Meshref | def. | Nandor Ecseki
Dora Madarasz | 4-0 (11-8, 12-10, 14-12, 11-9) |
| 30th May - 21h15 | Bo Fang
Petrissa Solja | def. |  Ovidiu Ionescu
Bernadette-Cynthia Szöcs | 4-0 (11-6, 11-3, 11-8, 11-5) |
| 30th May - 21h15 | Woojin Jang
Zion Lee | def. |  Benedek Olah
Britt Eerland | 4-2 (1--1, 4-11, 11-2, 13-11, 11-9, 11-6) |
| 30th May - 21h15 | Jonathan Groth
Yalan Feng | def. | Il Choe
Mi Gyong Ri | 4-3 (11-8, 11-9, 8-11, 10-12, 12-10, 8-11, 11-9) |
| 30th May - 21h15 | Alvaro Robles
Galia Dvorak | def. | Kwan Kit Ho
Ho Ching Lee | 4-3 (6-11, 7-11, 11-8, 11-9, 5-11, 11-9, 12-10) |
| 30th May - 21h15 | Maharu Yoshimura
Kasumi Ishikawa | def. | Jesus Cantero
Maria Xiao | 4-2 (11-4, 11-7, 11-4, 11-13, 11-8, 11-9) |
| 30th May - 21h15 | Kenta Tazoe
Miyu Maeda | def. |  Tomas Konecny
Hana Matelova | 4-3 (11-7, 9-11, 10-12, 12-10, 11-3, 11-13, 11-5) |
| 30th May - 21h15 | Chun Ting Wong
Hoi Kem Doo | def. | Sathiyan Gnanasekaran
Manika Batra | 4-1 (11-2, 10-12, 12-10, 11-5, 11-6) |
| 30th May - 21h15 | Mattias Karlsson
Matilda Ekholm | def. |  Cédric Nuytinck
Lisa Lung | 4-0 (11-8, 11-7, 11-4, 11-5) |
| 30th May - 18h30 | Il Choe
Mi Gyong Ri | def. |  Brian Afanador
Adriana Diaz | 4-1 (11-4, 3-11, 11-2, 11-7, 11-8) |
| 30th May - 18h30 | Steffen Mengel
Kristin Silbereisen | def. |  Gustavo Gomez
Judith Morales | 4-2 (11-7, 11-2, 11-13, 9-11, 11-8, 11-4) |
| 30th May - 18h30 | Chih-Yuan Chuang
Szu-yu Chen | def. |  Diogo Carvalho
Leila Oliveira | 4-0 (11-5, 11-5, 11-2, 11-1) |
| 30th May - 18h30 | Krisztian Nagy
Szandra Pergel | def. |  Kane Townsend
Sarah Tan | 4-3 (11-3, 8-11, 4-11, 6-11, 11-4, 11-2, 11-2) |
| 30th May - 18h30 | Tomas Konecny
Hana Matelova | def. |  Ibrahim Gündüz
Ozge Yilmaz | 4-1 (11-4, 11-8, 12-14, 11-6, 11-5) |
| 30th May - 18h30 | Kwan Kit Ho
Ho Ching Lee | def. | Robin Devos
Margo Degraef | 4-0 (11-1, 11-8, 11-4, 11-5) |
| 30th May - 18h30 | Maharu Yoshimura
Kasumi Ishikawa | def. |  Aliaksandr Khanin
Daria Trigolos | 4-0 (11-8, 11-4, 11-5, 11-1) |
| 30th May - 18h30 | Sathiyan Gnanasekaran
Manika Batra | def. |  Luka Mladenovic
Xialian Ni | 4-1 (11-6, 8-11, 11-2, 11-8, 11-8) |
| 30th May - 18h30 | Harmeet Desai
Madhurika Patkar | def. | Daniel Gonzalez
Melanie Diaz | 4-0 (11-7, 11-8, 11-6, 14-12) |
| 30th May - 18h30 | Grigory Vlasov
Yana Noskova | def. |  Quadri Aruna
Offiong Edem | 4-1 (10-12, 11-5, 11-5, 11-6, 11-8) |
| 30th May - 18h30 | Vitor Ishiy
Caroline Kumahara | def. | Juan Lamadrid
Paulina Vega | 4-1 (11-7, 5-11, 12-10, 11-7, 11-7) |
| 30th May - 18h30 | Benedek Olah
Britt Eerland | def. | Eric Glod
Sarah De Nutte | 4-1 (11-3, 11-9, 9-11, 11-5, 12-10) |
| 30th May - 18h30 | Alvaro Robles
Galia Dvorak | def. | Mohamed El-Beiali
Yousra Helmy | 4-1 (11-4, 5-11, 11-8, 11-1, 11-6) |
| 30th May - 18h30 | Bo Fang
Petrissa Solja | def. |  Kunal Chodri
Lily Zhang | 4-3 (9-11, 11-4, 9-11, 11-3, 5-11, 11-2, 11-6) |
| 30th May - 18h30 | Chun Ting Wong
Hoi Kem Doo | def. |  Darko Jorgic
Alex Galic | 4-2 (11-8, 13-15, 9-11, 11-5, 11-5, 11-7) |
| 30th May - 18h30 | Rajko Gommers
Kim Vermaas | def. | Segun Toriola
Olufunke Oshonaike | 4-2 (9-11, 11-6, 11-9, 11-3, 10-12, 12-10) |
| 30th May - 18h30 | Padasak Tanviriyavechakul
Suthasini Sawettabut | def. |  Lubomir Pistej
 Mo Zhang | 4-3 (5-11, 11-7, 11-5, 8-11, 10-12, 11-6, 11-6) |
| 30th May - 18h30 | Gaston Alto
Ana Codina | def. |  Sami Kherouf
Lynda Loghraibi | 4-2 (16-14, 9-11, 11-9, 16-14, 9-11, 11-2) |
| 30th May - 18h30 | Woojin Jang
Zion Lee | def. |  Tristan Flore
Laura Gasnier | 4-3 (8-11, 11-6, 11-7, 9-11, 11-9, 6-11, 11-7) |
| 30th May - 18h30 | Nandor Ecseki
Dora Madarasz | def. | Cristian Pletea
Adina Diaconu | 4-0 (11-7, 11-7, 11-8, 11-6) |
| 30th May - 18h30 | Ovidiu Ionescu
Bernadette-Cynthia Szöcs | def. |  Daniel Habesohn
Sofia Polcanova | 4-1 (3-11, 13-11, 11-9, 11-9, 15-13) |
| 30th May - 18h30 | Sang-su Lee
Ha-eun Yang | def. | Francisco Sanchi
Candela Molero | 4-0 (11-1, 11-9, 11-4, 11-9) |
| 30th May - 18h30 | Chien-an Chen
I-Ching Cheng | def. | Kirill Skachkov
Olga Vorobeva | 4-2 (10-12, 11-7, 11-8, 11-9, 9-11, 11-8) |
| 30th May - 18h30 | Cédric Nuytinck
Lisa Lung | def. | Benedikt Duda
Sabine Winter | 4-3 (11-13, 7-11, 12-10, 12-10, 12-10, 9-11, 11-9) |
| 30th May - 18h30 | Sin Hyok Pak
Hyon Sim Ri | def. |  Niagol Stoyanov
Debora Vivarelli | 4-0 (12-10, 11-4, 11-6, 11-4) |
| 30th May - 18h30 | Jonathan Groth
Yalan Feng | def. |  Quang Linh Dinh
Hoang My Trang Mai | 4-0 (11-5, 11-9, 11-4, 11-2) |
| 30th May - 18h30 | Omar Assar
Dina Meshref | def. |  Denislav Kodjabashev
Elitsa Zamfirova | 4-0 (11-5, 11-4, 11-8, 11-3) |
| 30th May - 18h30 | Xue Jie Pang
Meng Yu Yu | def. |  Chee Feng Leong
Ying Ho | 4-0 (11-7, 11-5, 11-8, 11-5) |
| 30th May - 18h30 | Pattaratorn Passara
Nanthana Komwong | def. | Eric Jouti
Lin Gui | 4-1 (11-6, 4-11, 13-11, 11-8, 11-6) |
| 30th May - 18h30 | Kenta Tazoe
Miyu Maeda | def. |  Jakub Dyjas
Katarzyna Grzybowska-Franc | 4-0 (11-4, 11-4, 11-5, 11-7) |
| 30th May - 18h30 | Mattias Karlsson
Matilda Ekholm | def. |  Daniel O'connell
Charlotte Carey | 4-0 (11-9, 11-6, 11-4, 11-6) |
| 30th May - 18h30 | Jesus Cantero
Maria Xiao | def. |  Aleksandar Karakasevic
 Ruta Paskauskiene | 4-2 (11-3, 12-10, 9-11, 11-7, 11-13, 11-8) |
