 Andrei Todor Istrate
Luciana Mitrofan | def. |  Akos Kishegyi
 Tsvetelina Georgieva | 3-0 (11-8, 11-4, 11-3) |
 Samuel Arpas
Adriana Illasova | def. |  Thibault Poret
Charlotte Lutz | 3-2 (9-11, 8-11, 12-10, 11-7, 11-9) |
 Andrii Grebeniuk
Anastasiya Dymytrenko | def. |  Tom Closset
 Sara Tokic | 3-2 (11-9, 11-13, 9-11, 15-13, 11-3) |
 Samuel Kulczycki
Zuzanna Wielgos | def. |  Andrea Puppo
Arianna Barani | 3-0 (11-5, 15-13, 11-5) |
 Borna Petek
Natalia Bogdanowicz | def. |  Daniels Kogans
 Ozge Yilmaz | 3-2 (10-12, 11-6, 11-7, 10-12, 11-6) |
Flavien Coton
 Mia Griesel | def. | Jakub Goldir
Dora Cosic | 3-0 (11-5 11-9, 11-7) |
Iulian Chirita
Bianca Mei Rosu | def. |  Tomas Martinko
Anna Klempererova | 3-1 (11-9, 9-11, 15-13, 11-5) |
Nazar Tretiak
Iolanta Yevtodii | def. | Csaba Andras
Helga Dari | 3-1 (3-11, 11-7, 13-11, 15-13) |
Ivor Ban
Hana Arapovic | def. |  Mauro Scharrer
 Karlijn Van Lierop | 3-1 (11-8, 8-11, 11-8, 11-7) |
Adam Klajber
Sophia Klee | def. | John Oyebode
Nicole Arlia | 3-1 (11-5, 7-11, 11-5, 11-5) |
Maciej Kubik
Ece Harac | def. | Alexis Kouraichi
Agathe Anne Avezou | 3-0 (11-4, 11-6, 11-4) |
Eduard Ionescu
Ioana Singeorzan | def. | Simon Belik
Klara Hrabicova | 3-0 (11-4, 11-5, 11-7) |
Darius Movileanu
Elena Zaharia | def. |  Connor Green
 Anna Hursey | 3-1 (11-8, 13-11, 11-13, 11-8) |
 Goncalo Gomes
Inês Matos | def. |  Albert Vilardell
Silvia Coll | 3-2 (11-7, 12-14, 11-6, 8-11, 11-7) |
Hugo Deschamps
Isa Cok | def. | KAS Van Oost
Julie Van Hauwaert | 3-1 (13-11, 9-11, 11, 11-9) |
Milosz Redzimski
Anna Brzyska | def. | Barish Moullet
Naomi Pranjkovic | 3-1 (11-13, 11-9, 11-6, 13-11) |
Andrei Todor Istrate
Luciana Mitrofan | |
| Bye |
Akos Kishegyi
Tsvetelina Georgieva | def. | Arnau Pons
Eugenia Sastre | 3-0 (11-8, 11-7, 11-9) |
Samuel Arpas
Adriana Illasova | def. | Ondrej Kveton
Helena Sommerova | 3-1 (11-9, 7-11, 11-7, 11-7) |
Thibault Poret
Charlotte Lutz | |
| Bye |
Andrii Grebeniuk
Anastasiya Dymytrenko | |
| Bye |
Tom Closset
Sara Tokic | def. | David Bessa
Mari Baldwin | 3-0 (11-3, 11-8, 11-9) |
Andrea Puppo
Arianna Barani | def. |  Daniel Lindso
Leah Tveit Muskantor | 3-1 (5-11, 11-7, 11-9, 11-6) |
Samuel Kulczycki
Zuzanna Wielgos | |
| Bye |
Daniels Kogans
Ozge Yilmaz | |
| Bye |
Borna Petek
Natalia Bogdanowicz | def. | Aljaz Godec
Polona Horvat | 3-1 (-10, 11-8, 11-3, 11-7) |
Jakub Goldir
Dora Cosic | def. | Tommaso Giovannetti
Valentina Roncallo | 3-2 (12, 7-11, 3-11, 10, 10) |
Flavien Coton
Mia Griesel | def. |  Dario Pejic
Dzana Biogradlic | 3-1 (11-7, 11-2, 8-11, 11-3) |
Iulian Chirita
Bianca Mei Rosu | |
| Bye |
Tomas Martinko
Anna Klempererova | def. | Mateusz Zalewski
 Malamatenia Papadimitriou | 3-1 (11-8, 6-11, 10, 10) |
Nazar Tretiak
Iolanta Yevtodii | def. | Elias Hardmeier
Emine Ernst | 3-0 (11-8, 15-13, 11-9) |
Csaba Andras
Helga Dari | |
| Bye |
Ivor Ban
Hana Arapovic | |
| Bye |
Mauro Scharrer
Karlijn Van Lierop | def. |  Andre Pierre Kases
Anastasiya Sterner | 3-0 (11-5, 10, 11-2) |
Adam Klajber
Sophia Klee | def. | Miguel Nuñez Tapia
Ainhoa Cristobal | 3-1 (-10, 10, 11, 11-6) |
John Oyebode
Nicole Arlia | |
| Bye |
Maciej Kubik
Ece Harac | |
| Bye |
Alexis Kouraichi
Agathe Anne Avezou | def. | Miha Podobnik
Enya Moltara | 3-2 (-10, -11, 11-5, 11-8, 11-6) |
Simon Belik
Klara Hrabicova | def. | David Szantosi
Matilde Seramota Pinto | 3-1 (11-9, -11, 11-8, 10) |
Eduard Ionescu
Ioana Singeorzan | |
| Bye |
Darius Movileanu
Elena Zaharia | |
| Bye |
Connor Green
Anna Hursey | def. |  Oskar Pukk
 Enisa Sadikovic | 3-1 (11-6, 11-6, 8-11, 10) |
Albert Vilardell
Silvia Coll | def. | Filip Delincak
Ema Cincurova | 3-1 (8-11, 11-8, 11-5, 11-7) |
Goncalo Gomes
Inês Matos | def. | Benjamin Zijadic
Harisa Mesetovic | 3-1 (10, 11-8, 8-11, 11-4) |
Hugo Deschamps
Isa Cok | |
| Bye |
KAS Van Oost
Julie Van Hauwaert | def. | Balazs Lei
Veronika Matiunina | 3-2 (11-5,7-11,12,9-11,17) |
Barish Moullet
Naomi Pranjkovic | def. | Radim Moravek
Jana Vasendova | 3-2 (8-11, 11-7, -10, 11-9, 11-6) |
Milosz Redzimski
Anna Brzyska | |
| Bye |
