Plus: Matteo Gigante played like his name in upsetting Stefanos Tsitsipas, and Bernarda Pera squeaked by Donna Vekic to put another American in the third round.

The French favorite announced her imminent retirement on the eve of the tournament, though she will also compete in "a few" more tournaments this year.

He was the first man born in 2007 to win a 1000-level main-draw match in Miami, and matched the feat by topping Coleman Wong in Madrid.