Despite a fruitful tenure, former coach Ivan Lendl just couldn't keep up responsibilities as coach of Andy Murray.
The key to the Andy Murray-Ivan Lendl relationship, you ask? Trust.
What on earth allows Jack Sock to survive on a surface so many of his U.S. compatriots dislike so much?
James Blake's stormy relationship with five-set matches took a turbulent turn. But the forecast for Andy Roddick is much better.
Together, Andre Agassi and Pete Sampras transcended tennis, but how well did they really know each other?
WTA players often date or marry their coach or rely on a family member to fill the role of coach.