Career
Groen enjoyed most of his tennis success while playing doubles. 61 in 1997 and a career-high singles ranking of World Number. 177 in 1996. In 2004 Sander Groen made his mark on the International Tennis Federation senior tour by winning the men"s singles over 35 world championships followed by finishing runner-up in 2005 and 2006.
Groen is still active on the professional tour - as of April 29, 2013 he is ranked World Number.
590 in doubles by the Association of Tennis Professionals.
Runners-up (15).