One of Rafael Nadal's biggest on-court rivals is wishing him well into retirement. Novak Djokovic took to social media Thursday to offer his "respect"

Novak Djokovic paid tribute to Rafael Nadal as his great rival confirmed his retirement from tennis at the end of the season. Djokovic and Nadal met a record 60 times across almost two decades in one of the greatest rivalries of the modern era.

Djokovic and Nadal clashed 60 times in their careers with the Serb edging their rivalry 31-29. Read more at straitstimes.com.