Following are the results of preliminary round matches of Beijing Olympic beach volleyball tournaments on Sunday:

Men's section

Pool A:

Wu Penggen/Xu Linyin (China) bt Florian Gosch/Alexander Horst (Austria) 2-0 (21-16,21-15)

Pablo Herrera/Raul Mesa (Spain) bt Kristjan Kais/Rivo Vesik (Estonia) 2-0(21-18,23-21)

Pool D:

Marcio Araujo/Fabio Luiz Magalhaes (Brazil) bt Eugenio Amore/Ricardo Lione (Italy) 2-0 (21-18,21-18)

Clemens Doppler/Peter Gartmayer (Austria) bt Dmitri Barsouk/Igor Kolodinsky (Russia) 2-1 (21-16,18-21,16-14)

Pool F:

Julius Brink/Christoph Dieckmann (Germany) bt Kentaro Asahi/Katsuhiro Shiratori (Japan) 2-0 (21-18,21-18)

Jake Gibb/Sean Rosenthal (United States) bt Emiel Boersma/Bram Ronnes (Netherlands) 2-0 (21-16,21-15)

Women's section:

Pool B:

Misty May-Treanor/Kerri Walsh (United States) bt Chiaki Kusuhara/Mika Teru Saiki (Japan) 2-0 (21-12, 21-15)

Dalixia Grasset/Tamara Peraza (Cuba) bt Nila Hakedal/Ingrid Torlen (Norway) 2-0 (22-20,21-19)

Pool D:

Sara Goller/Laura Ludwig (Germany) bt Judith Augoustides/Vitalila Nel (South Africa) 2-0(21-12,21-14)

Xue Chen/Zhang Xi (China) bt Efthalia Koutroumanidou/Maria Tsiartsiani (Greece) 2-1 (21-18, 19-21, 15-12)

Pool F:

Doris Schwaiger/Stefanie Schwaiger (Austria) bt Vassiliki Arvaniti/Vasso Karadassiou (Greece) 2-0 (21-18,21-18)

Talita Antunes/Renata Ribeiro (Brazil) bt Bibiana Candelas/Mayra Garcia (Mexico) 2-1(18-21, 21-16, 15-8)

(Xinhua News Agency August 11, 2008)