Question: Were both Oliver Marach and Lukáš Dlouhý professional tennis players?

Related documents: [0]  [DOC] Oliver Marach (born 16 July 1980) is an Austrian professional tennis player. His highest ATP singles ranking is world No. 82, which he reached on August 7, 2005. His career high in doubles is world No. 8, set on October 18, 2010. [END] 
[1]  [DOC] Lukáš Dlouhý (born 9 April 1983) is a professional Czech tennis player on the ATP Tour. A doubles specialist, Dlouhý reached a career-high ranking of World No. 5 in June 2009. [END]  
Answer: yes
yes