Career
Westerhof reached his highest Association of Tennis Professionals singles ranking, Number. 201 on 27 August 2012, and his highest Association of Tennis Professionals doubles ranking, Number. 132, on 8 June 2015.
Doubles (1).
Westerhof reached his highest Association of Tennis Professionals singles ranking, Number. 201 on 27 August 2012, and his highest Association of Tennis Professionals doubles ranking, Number. 132, on 8 June 2015.
Doubles (1).