Are both Tom Okker and Kim Clijsters Belgian tennis players?
Kim Clijsters Kim Antonie Lode Clijsters (] ; born 8 June 1983) is a Belgian former professional tennis player. Clijsters is a former world No. 1 in both singles and doubles.
Boy Westerhof Boy Westerhof (born 25 October 1985) is a Dutch professional tennis player and competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.