Which tennis player has retired, Hank Pfister or Maria Sharapova?
Maria Sharapova Maria Yuryevna Sharapova (Russian: Мари́я Ю́рьевна Шара́пова ; ] ; born April 19, 1987) is a Russian professional tennis player. A United States resident since 1994, Sharapova has competed on the WTA tour since 2001. She has been ranked world No. 1 in singles by the WTA on five separate occasions, for a total of 21 weeks. She is one of ten women, and the only Russian, to hold the career Grand Slam. She is also an Olympic medalist, having earned silver for Russia in women's singles at the 2012 Summer Olympics in London.
Graf–Navratilova rivalry Steffi Graf and Martina Navratilova met 18 times during their careers. Their overall head-to-head series is tied 9–9, with Graf having a 4–2 record in Grand Slam finals and Navratilova having a 5–4 record in Grand Slam matches winning the last Grand Slam match between the two of them despite being 34 at the time. Both appeared in 3 consecutive Wimbledon Singles finals (1987–89) and thrilled the fans with their enthralling tennis.