Ivan Lendl is a tennis player.
Ivan Lendl ( [ ˈɪvan ˈlɛndl̩ ] ; born March 7 , 1960 ) is a former world No. 1 professional tennis player and is currently coaching current world No. 1 Andy Murray , alongside Jamie Delgado . He has been described as one of the greatest tennis players of all time . He competed in 19 Grand Slam singles finals , a record surpassed by Roger Federer in 2009 , Rafael Nadal in 2014 and Novak Djokovic in 2016 .