Has František Čermák and Horia Tecău both reached the top ten ranking in tennis doubles?
Horia Tecău Horia Tecău (] ; born January 19, 1985) is a Romanian tennis player currently ranked World No. 9 in doubles. He turned pro in 2003 and reached the men's doubles finals of the 2010, 2011 and 2012 Wimbledon Championships with Robert Lindstedt before winning it in 2015 with Jean-Julien Rojer, with whom he also won the 2017 US Open. Tecău also won the 2012 Australian Open mixed doubles title with Bethanie Mattek-Sands and the 2015 ATP World Tour Finals with Rojer.
Miloslav Mečíř Miloslav Mečíř (] ) (born 19 May 1964) is a former professional tennis player from Slovakia. He won the men's singles gold medal at the 1988 Olympic Games, where he represented Czechoslovakia, and played in two Grand Slam singles finals. In 1987 he won the WCT Finals, the major season-ending championship for the World Championship Tennis tour.