Competition began today at the Gliwice Arena, following the cancellation of the 2020 edition due to COVID-19.

Györgydeák, 21 and from Romania, topped Group A with a 12-6, 12-15 win over Denmark's Brian Mengel Thomsen and a 12-4, 8-12, 12-9 victory against Czech Lukas Smejkal.

He progressed, as did his nearest rival in the world rankings and defending world champion Blázsovics ,who won all three matches in Group B.

Blázsovics defeated Ukrainian Oleh Usychenko 12-5, 12-8 before beating Kuwait's Zaid Eidan 12-5, 12-4 and Belgian Jonathan Coquelle 12-5, 12-3.

France's Julien Grondin was first in Group C, with the crucial victory coming against second-placed Gregory Tchami-Djomaha of Cameroon 12-5, 12-3.

Polish player Adrian Duszak defeated American Luka Pilic 12-8, 12-10 en route to winning Group D.

Bogdan Marojević of Serbia defeated Leonardo Lindoso of Brazil 12-7, 12-5 to win Group E and Aitor Vives Yera of Spain won a three-set thriller against Algerian Fethi Larit, coming from behind to win 11-12, 12-8, 12-5 to top Group G.

Senegal's Mame Cheikh Fam has been in strong form, beating the top seed in Group F, Yassine Sahli of Tunisia, to progress in first place.

Valeriu Tiron of Moldova won all three ties in Group H, including a 12-11, 12-9 victory over Bulgarian Stoycho Zhekov.

Group-stage action in the women's singles got underway also, and should conclude tomorrow.

After two matches, Hungarian top seed Anna Izsák and Lebanon's Maria Chedid remain undefeated before playing tomorrow in Group A.

Izsák's 12-5, 12-9 victory over Ukrainian Kateryna Fesenko sets her up well for tomorrow's top-of-the-group battle.

Paulina Lezak has won two from two in Group B on home soil, including a 12-5, 12-5 victory over "neutral" Russian Teqball Athlete Ekaterina Poteshkina, who sits in first having played an extra match.

Group C has all to play for tomorrow after a tight contest between Brazilian Natalia Guitler and Pernille Ingvaldsen Smith of Norway.

Guitler was frustrated by her opponent, who took the second set, but prevailed in the end by a score of 8-12, 12-4, 12-7 to remain undefeated.

Smith sits top having played an extra match, but her contest against undefeated American Carolyn Greco will be decisive.

Finally, defending silver medallists Csaba Bányik and Zsanett Janicsek of Hungary topped Group A in the mixed doubles, ending with an easy 12-1, 12-4 victory against Ukrainians Ivan Grom and Anastasiia Terekh.

Topping Group B were the Brazilian pair of Lindoso and Vania Moraes, who won their crucial match against defending bronze medallists Nikola Mitro and Maja Umićević of Serbia 12-8, 12-11.

Györgydeák and Tunde Miklos finished top of a competitive Group C, beating close opponents Pilic and Margaret Osmundson of the United States 12-9, 12-4.

Group D was won by Patryk Kaminski and Ewa Kaminska, with the home favourites winning the decisive match for first 12-11, 12-5 against Czechs Lukas Flaks and Iva Burvalova.