It's just tough," said Wawrinka, who was beaten in last year's French Open final by world number one Rafael Nadal. Djokovic through, Rain halts NadalElsewhere, 12-time Grand Slam champion Novak Djokovic cruised into the second round seeing off Brazilian world number 134 Rogerio Dutra Silva 6-3, 6-4, 6-4. Serena Williams' Grand Slam return at the French Open following the birth of her daughter in September has focused attention on the issue. French Open organizers did not seed the three-time champion at Roland Garros. He faced Bernard Tomic in the first round on Monday and emerged with a 6-4, 5-7, 6-4, 6-4 victory in a match that lasted nearly three hours.

Source: Daily News Egypt May 29, 2018 02:37 UTC