Novak Djokovic aiming for a 23rd major title at Roland-Garros. The Serb is the only record holder of Grand Slam victories in men just ahead of Rafael Nadal (22) The 36-year-old does not arrive in Paris with full confidence.

He has suffered in the quarters (Rome, Banja Luka) and one in 8th (Monte-Carlo), not to mention elbow problems. "I haven't had too much success in clay tournaments, but the Grand Slam is like another sport in itself," he says.