The Italian and Frenchman battled for two days and four hours and 26 minutes.
The two-time French Open champion believes Nishikori is the second-best clay-courter in tennis right now.
The Canadian announced that his recovery from foot surgery won't allow him to play in Paris. He would have been seeded sixth.
Friendship or a break point? Joao Sousa was faced with a difficult--and random--decision on Wednesday in Geneva.
The coach of 19-time major champion Serena Williams says his charge is still improving and will continue to do so.
World No. 1 warms up for Paris getting his kicks in Monaco.
The Eternal City inspired some remarkable hot shots in 2015