Alexander Zverev needed three sets to defeat Mariano Navone at the Madrid Open, with Daniil Medvedev also reaching the third round in Spain.
Joao Fonseca wasted little time booking his place in the Munich Open quarter-finals, needing just over an hour to beat Arthur Rinderknech.
Taylor Fritz rallied to beat Fabian Marozsan at the Shanghai Masters, but Casper Ruud withdrew injured against Zizou Bergs.
No.1 seed Jannik Sinner was to his best as he dominated Fabian Marozsan in straight sets
No matches available.
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