World number four Daniil Medvedev saw his title defence at the Italian Open ended by American Tommy Paul.
Jiri Lehecka claimed the last semifinal spot in the Madrid Open main draw after Daniil Medvedev withdrew injured at one set down on Thursday.
Daniil Medvedev did not have things all his own way on Wednesday at the Monte-Carlo Masters against Gael Monfils, but found a way to reach the third round.
Jannik Sinner produced a stunning performance to demolish defending champion Daniil Medvedev and reach the Miami Open final.
Miami Open defending champion Daniil Medvedev moved into the semi-finals after a hard-fought victory against Nicolas Jarry, setting up a last-four rematch with Jannik Sinner.
Australian Open champion Jannik Sinner recovered from a set down to beat Tallon Griekspoor, while Daniil Medvedev and Casper Ruud also advanced at the Miami Open.