Rafael Nadal, Tennis's Legendary King of Clay, Is Out of the French--But Is He Leaving the Door Open for a Return?

"I don't know if it's the last time I'm going to be in front of you, I'm not 100% sure. The feelings I have today are difficult to describe in words," Nadal told the crowd at Court Philippe-Chatrier following his first-round loss against Alexander Zverev.