Read 10 things to know before Rafa Nadal and Nick Kyrgios take the court in Madrid Coming up LIVE on Tennis Channel and tennischanneleverywhere.com

There have already been a lot of blockbuster match-ups at the Mutua Madrid Open this week, and we’ve got another one coming up Thursday night - Rafael Nadal, one of the most decorated players in tennis history, against Nick Kyrgios, one of the biggest up-a