Forgotten ATP stars Milos Raonic and Kei Nishikori are back from injury and made winning starts in their respective returns this week.
Tennis great John McEnroe believes the era of the Big Three is finally coming to an end.
Novak Djokovic took a blow courtesy of a Cameron Norrie smash but otherwise dealt with the Briton without too much trouble to reach the quarter-finals of the Italian Open.
Novak Djokovic will be able to travel to the United States and play in the 2023 US Open, thanks to the lifting of the country's vaccine mandate.
Fourth seed Stefanos Tsitsipas was taken the distance before the Greek collected a 7-5 3-6 6-3 win over Argentinian 25th seed Sebastian Baez.
World No 3 Daniil Medvedev and World No 5 Stefanos Tsitsipas both made their debuts in the Madrid Open on Saturday, and safely booked their spots in the third round.