 Vladimir Sidorenko
Mariia Tailakova | def. |  Csaba Andras
 Tatsiana Chakavaya | 3-0 (11-5, 11-8, 11-8) |
 Irvin Bertrand
Leili Mostafavi | def. |  Tibor Spanik
Tatiana Kukulkova | 3-2 (11-5, 11-6, 9-11, 10-12, 11-6) |
 Tobias Hippler
Franziska Schreiner | def. | Jules Rolland
Prithika Pavade | 3-1 (12-10, 7-11, 12-10, 11-9) |
 Cristian Pletea
Adina Diaconu | def. |  Andrei Putuntica
 Andrea Pavlovic | 3-1 (11-3, 8-11, 11-9, 14-12) |
 Laurens Devos
Lisa Lung | def. | Fanbo Meng
Sophia Klee | 3-0 (11-6, 13-11, 11-3) |
Denis Ivonin
Anastasia Kolish | def. |  Samuel Kulczycki
Katarzyna Wegrzyn | 3-2 (9-11, 11-8, 11-9, 7-11, 11-8) |
Bastien Rembert
Nolwenn Fort | def. | Cedric Meissner
Tania Plaian | 3-2 (4-11, 12-10, 7-11, 11-5, 11-8) |
 Abdullah Yigenler
Ozge Yilmaz | def. | Artur Abusev
Olga Vishniakova | 3-1 (11-4, 11-2, 7-11, 11-4) |
Vladimir Sidorenko
Mariia Tailakova | def. | Artur Grela
Julia Slazak | 3-0 (11-5, 13-11, 15-13) |
Csaba Andras
Tatsiana Chakavaya | def. | Florian Cnudde
 Alma Roose | 3-1 (11-5, 10-12, 11-7, 14-12) |
Irvin Bertrand
Leili Mostafavi | def. | Lovro Zovko
Marta Vukelic | 3-0 (11-6, 13-11, 11-8) |
Tibor Spanik
Tatiana Kukulkova | def. | Gerrit Engemann
Yuki Tsutsui | w.o. |
Jules Rolland
Prithika Pavade | def. |  Dimitrije Levajac
Christina Källberg | 3-1 (11-2, 12-14, 11-7, 11-8) |
Tobias Hippler
Franziska Schreiner | def. | Lev Katsman
Kristina Kazantseva | 3-2 (6-11, 8-11, 11-6, 11-9, 15-13) |
Andrei Putuntica
Andrea Pavlovic | def. | Maciej Kubik
Anna Wegrzyn | 3-0 (11-7, 11-9, 11-3) |
Cristian Pletea
Adina Diaconu | def. | Daniel Orac
Natalia Grigelova | 3-1 (11-7, 11-8, 11-7) |
Laurens Devos
Lisa Lung | def. | Uladzislau Rukliatsou
Jennie Edvinsson | 3-0 (11-4, 11-8, 11-7) |
Fanbo Meng
Sophia Klee | def. | Valentin Pieraert
Orsolya Feher | 3-1 (9-11, 11-5, 11-9, 12-10) |
Samuel Kulczycki
Katarzyna Wegrzyn | def. |  Jiri Martinko
Nikoleta Puchovanova | 3-1 (11-6, 8-11, 11-4, 11-9) |
Denis Ivonin
Anastasia Kolish | def. | Léo De Nodrest
Camille Lutz | 3-2 (11-5, 14-12, 8-11, 3-11, 11-5) |
Bastien Rembert
Nolwenn Fort | def. | Aleksa Gacev
Nikita Petrovova | 3-1 (11-4, 11-8, 10-12, 11-7) |
Cedric Meissner
Tania Plaian | def. |  Alberto Lillo
Ana Garcia | 3-1 (11-7, 6-11, 11-3, 11-9) |
Artur Abusev
Olga Vishniakova | def. | Jakub Zelinka
Ema Labosova | 3-2 (11-7, 7-11, 10-12, 13-11, 11-8) |
Abdullah Yigenler
Ozge Yilmaz | def. | Rares Sipos
Andreea Dragoman | 3-1 (5-11, 13-11, 11-6, 11-9) |
Vladimir Sidorenko
Mariia Tailakova | |
| Bye |
Artur Grela
Julia Slazak | def. |  Andrii Grebeniuk
Alba Fernandez | 3-0 (11-6, 11-6, 11-6) |
Csaba Andras
Tatsiana Chakavaya | def. | Bogdan Singeorzan
Ece Harac | 3-2 (11-6, 9-11, 4-11, 11-8, 11-6) |
Florian Cnudde
Alma Roose | |
| Bye |
Irvin Bertrand
Leili Mostafavi | |
| Bye |
Lovro Zovko
Marta Vukelic | def. | Joan Masip
Marina Niguez | 3-2 (11-9, 11-8, 9-11, 7-11, 11-6) |
Gerrit Engemann
Yuki Tsutsui | def. | Heorhi Kunats
Darya Kisel | 3-0 (11-2, 11-6, 11-7) |
Tibor Spanik
Tatiana Kukulkova | |
| Bye |
Jules Rolland
Prithika Pavade | |
| Bye |
Dimitrije Levajac
Christina Källberg | def. | Mikhail Tsyhanouski
Vera Volkava | 3-0 (16-14, 11-3, 11-7) |
Tobias Hippler
Franziska Schreiner | def. |  Cédric Tschanz
 Lea Paulin | 3-1 (11-8, 12-10, 7-11, 11-1) |
Lev Katsman
Kristina Kazantseva | |
| Bye |
Andrei Putuntica
Andrea Pavlovic | |
| Bye |
Maciej Kubik
Anna Wegrzyn | def. | Radim Bako
Gabriela Stepanova | 3-2 (11-7, 8-11, -8, 11-6, 13-11) |
Daniel Orac
Natalia Grigelova | def. | Tilen Cvetko
Katarina Strazar | 3-1 (9-11, 11-4, 13-11, 11-6) |
Cristian Pletea
Adina Diaconu | |
| Bye |
Laurens Devos
Lisa Lung | |
| Bye |
Uladzislau Rukliatsou
Jennie Edvinsson | def. |  Maciej Kolodziejczyk
Elena Zaharia | 3-1 (11-8, 6-11, 11-7, 11-7) |
Fanbo Meng
Sophia Klee | def. | Lars Posch
Klara Bardac | 3-0 (13-11, 11-5, 11-7) |
Valentin Pieraert
Orsolya Feher | |
| Bye |
Jiri Martinko
Nikoleta Puchovanova | |
| Bye |
Samuel Kulczycki
Katarzyna Wegrzyn | def. |  Dimitris Kordoutis
Elisavet Terpou | 3-2 (11-4, 5-11, 11-5, 9-11, 11-6) |
Léo De Nodrest
Camille Lutz | def. | Paul Mladin
 Maria Yovkova | 3-0 (11-6, 11-7, 11-7) |
Denis Ivonin
Anastasia Kolish | |
| Bye |
Bastien Rembert
Nolwenn Fort | |
| Bye |
Aleksa Gacev
Nikita Petrovova | def. |  Matthew Daish
Denise Payet | 3-1 (11-6, 11-6, 7-11, 11-7) |
Alberto Lillo
Ana Garcia | def. | Jan Zandecki
Julia Szymczak | 3-1 (7-11, 11-8, 11-7, 11-7) |
Cedric Meissner
Tania Plaian | |
| Bye |
Artur Abusev
Olga Vishniakova | |
| Bye |
Jakub Zelinka
Ema Labosova | |
| Bye |
Abdullah Yigenler
Ozge Yilmaz | def. | Peter Hribar
Aleksandra Vovk | 3-0 (11-8, 11-7, 11-2) |
Rares Sipos
Andreea Dragoman | |
| Bye |
