Kei Nishikori said Wednesday he was stunned to learn his former junior doubles partner Junn Mitsuhashi has been banned from tennis for life for attempted match-fixing and betting on the sport. "I was shocked," Nishikori said, after winning his first match in two sets at the Italian Open against David Ferrer. "It's just surprising." World No. 9 Nishikori partnered with Mitsuhashi at the 2005 Junior Davis Cup. On Tuesday, the 27-year-old Mitsuhashi was kicked out of tennis and fined $50,000 by the Tennis Integrity Unit, which punished a Japanese for the first time. The TIU sai…READ FULL ARTICLE