Carlos Alberto Berlocq is an Argentine former professional tennis player and coach nicknamed Charly, Panther and Warlocq. Berlocq's career-high singles ranking was World No. 37, achieved in March 2012. His favourite surface was clay.

Philipp Eberhard Hermann Kohlschreiber is a German former professional tennis player. The right-hander won eight singles and seven doubles titles on the ATP World Tour and made the quarterfinals at the 2012 Wimbledon Championships. He reached his highest ATP singles ranking of world No. 16 in July 2012.