In Tennis, the French Open – the second Grand Slam of the season – begins in Paris today. Top stars are taking part in the event, except world number three Roger Federer who had pulled out due to a back injury.World number one Novak Djokovic will be eying his 12th Grand Slam and 1st Roland Garros trophy, while Serena Williams will be looking to win her 22nd major title and equal Steffi Graf as the most successful female player in the Open era. Serena and Stanislas Wawrinka are the defending champions.Kei Nishikori, Garbine Muguruza, Petra Kvitova, Milos Raonic and Simona Halep will be seen in action in the opening round today. Djokovic, Serena, Andy Murray, Rafael Nadal, Agnieszka Radwanska and Angelique Kerber will play their first round matches later in the tournament.The world number one pair of Sania Mirza and Martina Hingis will also be seen in action.