Who has won more Grand Slam titles, Paul Haarhuis or Svetlana Kuznetsova?
Paul Haarhuis: Paul Vincent Nicholas Haarhuis (born 19 February 1966) is a Dutch former professional tennis player. Paul Haarhuis:  He won six Grand Slam men's doubles titles, five with Jacco Eltingh and one with Yevgeny Kafelnikov.
i don't know