Germany will be represented by two more teams in the men's draw of the International Volleyball Federation (FIVB) Under-21 Beach Volleyball World Championships as qualifying was held in Udon Thani, Thailand.
Rudy Schneider and Dan John came through a challenging round two clash with M Alshibli and Almandhar of Oman to win 21-14, 15-21, 15-6 before seeing off Latvian duo Rinalds Aispurs and Ardis Bedritis 21-12, 21-19 to reach the main draw.
They are joined by compatriots Lukas Pfretzschner and Robin Sowa, who enjoyed a straight sets 21-17, 21-17 victory against Martin Melmuka and Frantisek Knobloch from Czech Republic.
Pfretzschner and Sowa had earlier defeated Brazilian pair Lazaro Lyan de Paolo and Gabriel Zuliani 21-15, 17-21, 15-13.
Russia's Denis Shekunov and Dimitri Veretiuk won three qualifying matches to reach the main draw, overcoming Americans John Schwengel and Jacob Titus 21-19, 21-17 in the final round.
Arwin Kopschar and Paul Pascariuc of Austria completed the men's draw with a 21-17, 21-17 victory against England's Javier and Joaquin Bello.
In the women's qualification, three partnerships navigated three rounds to reach the main draw, which begins tomorrow.
Canadians Iris Fletcher and Abbey Thorup did not drop a set as they won all of their matches, seeing off Mima Mirkovic and Caroline Schafer of the United States 21-16, 24-22 in round three.
YP Wang and H Xie of China faced two three-set matches but progressed from round three with a 13-21, 22-20, 15-7 win against Hungarians Orsolya Orban and Borbala Harmat.
Russians Anastasiia Frolova and Aleksandra Ganenko won 21-19, 21-11 against German duo Hannah Ziemer and Marie Schieder as Brazilians Coradello Galil Thamela and Louise Arrigo Ingridh earned their spot in the main draw with a 25-23, 18-21, 15-9 win against Czech pair Marie-Sara Stochlova and Miroslava Dunarova.
A total of 24 teams will contest the men's and women's draws in Thailand, with the winners earning a wildcard to an FIVB World Tour event.
Ten years after winning the under-21 world title, Brazilian Bruno Schmidt won gold at the Rio 2016 Olympic Games.
Compatriot Barbara Seixas, the 2015 under-21 world champion, also claimed a home sand silver medal in Rio.
The competition continues with the main draw tomorrow, with the finals to be played on Sunday (June 23).