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.
2015 Croatia Open Umag – Doubles František Čermák and Lukáš Rosol were the defending champions, but Čermák chose not to participate this year. Rosol played alongside Rameez Junaid, but they lost in the semifinals to Máximo González and André Sá.