Sinner eases into Italian Open last 16, Osaka dumped out
World number one Sinner continued his Foro Italico comeback from a three-month doping ban by dealing with De Jong and setting up a clash with Argentina's Francisco Cerundolo in the next round.
Sinner was knocked out in the last 16 by Cerundolo the last time he played here, in 2023, and he is under no illusions that the 17th seed will be a big step up after two low-ranked opponents.
"Let's see, he's an amazing player, he has an amazing season until now," said Sinner of Cerundolo.
"It's going to be tough.