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.
1989 European Open The 1989 European Open was a women's tennis tournament played on outdoor clay courts at the Drizia-Miremont Tennis Club in Geneva, Switzerland that was part of the Category 2 tier of the 1989 WTA Tour. The tournament was held from 22 May until 28 May 1989. Third-seeded Manuela Maleeva won the singles title