No. 15 seed Dimitrov beat wildcard Gianluca Mager from Italy 7-5, 6-1 in just over an hour. He will face the winner of Yoshihito Nishioka and Miomir Kecmanovic, ho lifted his first ATP Tour title at the Generali Open on Sunday, who don’t meet until Tuesday.
Cilic had to work harder for his victory against Alexander Bublik but eventually came out top with a 6-7(4), 6-2, 6-4 victory.
The Croatian made it to the Italian Open semifinals two years ago where he lost to 2020 US Open runner-up Alexander Zverev.
Cilic will face Belgium’s David Goffin in the next round.