World number one Serena Williams has breezed into the third round at French Open. The defending champion knocked out Teliana Pereira in straight sets.The three time French Open champion only dropped three games en route to the near perfect victory.This is the 13th time that Serena Williams has made it into the third round in Paris. Williams will next be up against Kristina Mladenovic from France, who defeated Timea Babos in another second round match.