What tennis player reached a career-high ranking of World No. 5 in June 2009,  Lukáš Dlouhý or Xavier Malisse?
Lukáš Dlouhý: Lukáš Dlouhý (born 9 April 1983) is a professional Czech tennis player on the ATP Tour. Lukáš Dlouhý:  A doubles specialist, Dlouhý reached a career-high ranking of World No. 5 in June 2009.
i don't know