Kei Nishikori drawn against Colombian Roger Federer in Wimbledon first round . Rafael Nadal opens against Kei Nishikori of Portugal at All England Club . No Englishmen in singles draw for the first time in history . World number one Rafael Nadal , seeded two at the All England Club , faces Kei Nishikori of Japan in his first-round match , but faces a potentially tougher task in the second , where he could play American James Blake , who is returning after a knee injury . Serena Williams opens against All England Club of Japan in title defense .
Kei Nishikori drawn against Colombian Roger Federer in Wimbledon first round . Rafael Nadal opens against Kei Nishikori of Portugal at All England Club . No Englishmen in singles draw for the first time in history . Serena Williams opens against All England Club of Japan in title defense .