News Brazil's third-seeded doubles team of Marcelo Melo and Bruno Soares delivered another crushing blow to 12-time major champion Novak Djokovic, eliminating the Serbian no 1 and partner Nenad Zimonjic from the men's tennis doubles Djokovic was dumped out of the first round of the singles to Argentine Juan Martin del Potro yesterday, but at least then he could count on the support of the in Rio de Janeir crowd Tonight the cheers were all for Melo and Soares who pumped fists and celebrated every point as if they were goals at the Maracana Olympic Games tickets are available to buy on the Rio 2016 portal The 6-4 6-4 defeat was the second elimination in less than a week for Djokovic at these Olympic Games  The Serbian has clearly been enjoying his time in Rio but confirmed that he won't play mixed doubles  Djokovic is still seeking his first Olympic gold He'll be 33 at the 2020 Games in Tokyo, and he said Monday that "I really hope I will have another shot at the medal " Melo and Soares, who are building some serious momentum in their quest for Olympic gold, will face the Romanian pair of Florin Mergea and Horia Tecau in the quarter-finals A day after he was eliminated in the first round in singles by 2009 U S Open winner Juan Martin del Potro, Djokovic and Serbian team-mate Nenad Zimonjic fell 6-4, 6-4 to Brazilians Marcelo Melo and Bruno Soares in the second round Tennis schedule and results for Rio 2016 Djokovic left the court in tears Sunday night after losing to a resurgent del Potro, whose ranking has fallen to 145th after three left wrist surgeries  Djokovic's only Olympic medal is a bronze in 2008 in singles The Brazilian success comes a day after Thomaz Bellucci and Andre Sa scored a major upset on Sunday (7 August) night by knocking Great Britain's Jamie and Andy Murray out in the first-round of the doubles after an epic tie-break