Were Owen Davidson and Manuela Maleeva both professional tennis players?
Owen Davidson Owen Keir Davidson (born 4 October 1943) is a former professional tennis player of the 1960s and 1970s.
Torneo Internacional Challenger León The Torneo Internacional Challenger León (formerly known as Challenger Ficrea, presentado por ultra, Torneo Internacional AGT and Abierto Internacional Leon) is a professional tennis tournament played on outdoor hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and the International Tennis Federation (ITF) Women's Circuit. It is held annually in León, Mexico, since 2003.