Umpire Mohamed Lahyani has been suspended from his next two scheduled tournaments for trying to encourage Nick Kyrgios at the US Open. Photograph: Kena Bentancur/AFP/Getty

Umpire Mohamed Lahyani has been suspended from his next two scheduled tournaments for trying to encourage Nick Kyrgios during a match at the US Open. (...)

John McEnroe: the fiery American was known during his outstanding career for his confrontations with umpires over contentious line calls . Photograph:  Mike Maloney, Monte Fresco/Mirrorpix/Getty Images

In tennis, few things arouse the crowd more than confrontations, especially those involving players, umpires and line judges. Who can forget Ilie Na(...)