Japan’s Nishikori soars to ATP world number four

Record-breaking Japan superstar Kei Nishikori rose to fourth in Monday’s new world rankings, equalling Kimiko Date-Krumm as his country’s highest-ranked tennis player. The 24-year-old, who is the top-ranked Asian-born man ever, tweeted: “Just saw the new rankings. Very proud of another step…#4 this week.” Nishikori, last year’s US Open runner-up, now trails only Novak Djokovic,[…]