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. Svetlana Kuznetsova:  Kuznetsova has appeared in four Grand Slam singles finals, winning two, and has also appeared in seven doubles finals, winning twice.
Paul Vincent Nicholas Haarhuis