Spain's Rafael Nadal celebrates victory in the men's singles final against Stan Wawrinka of Switzerland at Roland Garros in Paris on June 11, 2017. The win meant Nadal claimed his 10th French Open title. Julian Finney/Getty Images

Wawrinka reacts during the men's final against Nadal at the French Open on Sunday. ERIC FEFERBERG/AFP/Getty Images

Nadal shakes hands with Wawrinka following their match at Roland Garros. THOMAS SAMSON/AFP/Getty Images

Nadal serves during Sunday's final. GABRIEL BOUYS/AFP/Getty Images

The winner's trophy is seen in the background as Nadal hits a backhand. Christophe Ena/AP

Wawrinka breaks his racket in frustration during his defeat by Nadal. Petr David Josek/AP

Nadal hits one of many returns during his 6-2 6-3 6-1 victory. THOMAS SAMSON/AFP/Getty Images

Wawrinka kicks a ball during his comprehensive loss to Nadal. Christophe Ena/AP