In 2007 he became the first man since Bill Tilden to win the U.S. Open 4 years in a row
[DOC] [TLE] Andy Murray Picks Djokovic to Win Open, Scot Says He Would've ... [PAR] After all, the 29-year-old Scot won both Wimbledon and the Olympics -- for a .... 
Serena won the first Williams Family US Open crown in 1999 -- at the age of 17.