Andy Murray will be practising with some of the tennis elite in Rome over the coming week as he targets full match fitness.
Hubert Hurkacz took down teenage sensation Jannik Sinner on a memorable day for the Polish player.
World number eight Andrey Rublev was toppled by Hubert Hurkacz, missing out on a place in Sunday's Miami Open final.
Stefanos Tsitsipas led 2-0 in the second after winning the first set but bowed out to 26th seed Hubert Hurkacz at the Miami Open.
Ash Barty beat Aryna Sabalenka in three sets to reach the Miami Open semis along with Elina Svitolina.
Naomi Osaka and Ash Barty rolled on in Miami, where Elina Svitolina won a thriller on Monday.
Last week's Mexican Open champion Alexander Zverev went down in the second round in Miami to Finland's Emil Ruusuvuori.
Second seed Naomi Osaka won her first match since lifting the Australian Open title, while runner-up Jennifer Brady lost again.
Lorenzo Musetti reached last week's Mexican Open semi-finals and started at the Miami Open with victory.
Sloane Stephens had lost in the first round in Monterrey and Melbourne earlier this year but won in Miami on Wednesday.
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