As a golden tennis era transitions into its next guise, when, how, and why to retire is one of the biggest questions in the sport.

In a recent interview with DAZN Sport, the 22-time major champion was asked to push the conversation further and compare the rivalries between him, Federer and Djokovic to the new rivalries being made between young players in tennis—like the battles between Carlos Alcaraz of Spain and Jannik Sinner of Italy.

The Swiss tennis player paid tribute to Rafa Nadal after he announced his retirement, both men having one of the great rivalries.