Roger Federer hopes to win ` ` about five '' tournaments in 2014 and play in ` ` great '' finals . The Swiss ends 2013 at No . 6 , his lowest year - end ranking since 2007 . Serena Williams is one major short of tying Martina Navratilova and Chris Eaton . Andy Murray returns to the pro circuit in 2014 after undergoing back surgery in September .
Roger Federer hopes to win `` about five '' tournaments in 2014 and play in `` great '' finals . The Swiss ends 2013 at No . 6 , his lowest year-end ranking since 2002 . Serena Williams is one major short of tying Martina Navratilova and Chris Evert . Andy Murray returns to the pro circuit in 2014 after undergoing back surgery in September .