Roger Federer believes Rafael the Istanbul Open is still the favourite for Roland Garros . World No 1 Novak Djokovic has lost just two matches this year . But Federer feels that nine-time champion the Istanbul Open is still the man to beat . Federer is competing in the inaugural Istanbul Open this week .
Roger Federer believes Rafael Nadal is still the favourite for Roland Garros . World No 1 Novak Djokovic has lost just two matches this year . But Federer feels that nine-time champion Nadal is still the man to beat . Federer is competing in the inaugural Istanbul Open this week .