There was little threat of any major upsets in Rome on Friday, with Rafael Nadal and Novak Djokovic booking their places in the last eight.
A first match in more than 10 years against fellow Serbian Filip Krajinovic was not easy, conceded Novak Djokovic.
Karolina Pliskova and Simona Halep avoided upsets at the Internazionali d'Italia, as Garbine Muguruza swept Johanna Konta aside.
The French Open has reduced the number of fans allowed daily at the tournament from 11,500 to 5,000.
Fabio Fognini paid for a sloppy performance as he crashed out of the Internazionali d'Italia. Andrey Rublev and Milos Raonic also departed.
It was a day to forget at the Internazionali d'Italia for Australian Open champion Sofia Kenin, as she lost without winning a game.
Aside from a defeat for Belinda Bencic, it was a good day for the seeds in Rome, with Simona Halep among the winners.
Jannik Sinner stunned Stefanos Tsitsipas, but there was no drama for Novak Djokovic or Rafael Nadal in Rome.
Salvatore Caruso proved no match for Novak Djokovic at the Internazionali d'Italia, as the world number one returned to action in style.