Serena Williams of US today advanced to the second round of the Wimbledon Tennis Championships. In one sided match, Serena defeated Luxembourg's Mandy Minella in first round of Women's Single in London 6-1, 6-3.<br/><br/>Novak Djokovic of Serbia will play against Germany's Florian Mayer, while David Ferrer of Spain to clash with Martin Alund of Argentina in the first round of Men's Singles.<br/><br/>Yesterday, Spaniard Rafael Nadal made a shocking opening round exit from the Championships, in the biggest upset of the season's third Grand Slam.<br/>