07/29/2012 08:39 EDT | Updated 09/28/2012 05:12 EDT

Brazil's Emanuel, aka 'The King,' arrives at beach volleyball venue in queen's front yard

LONDON - Brazil's Emanuel and Alison, the defending world champions and top-ranked team in the world, needed an extended third set to win their opening match in the Olympic beach volleyball tournament Sunday, beating Austrians Clemens Doppler and Alexander Horst 19-21, 21-17, 16-14.

In a match dampened by the first rain at the rollicking Horse Guards Parade venue, Brazil lost the first set on a long spike that hit the back corner of the tape, but came back to win the second. They led 14-12 in the third before hitting two spikes long to allow Austria to come back and tie it.

In other action, Marta Menegatti and Greta Cicolari of Italy beat Ekaterina Khomyakova and Evgeniya Ukolova of Russia 17-21, 21-18, 15-8.

Spain's Liliana Fernandez Steiner and Elsa Baquerizo McMillan beat Marleen van Iersel and Sanne Keizer of the Netherlands 14-21, 21-16, 15-11.

Spain's Pablo Herrera Allepuz and Adrian Gavira Collado beat Premysl Kubala and Petr Benes of the Czech Republic 25-23, 21-16.