Rafael Nadal has advanced to the quarterfinals of the US Open with a 6-3, 3-6, 6-1, 6-2 win over Croatian Marin Cilic.
The second-seeded Spaniard will next face Argentine Diego Schwartzman, who beat Germany’s Alexander Zverev 3-6, 6-2, 6-4, 6-3.
Elsewhere, Frenchman Gael Monfils eased into the next round, beating Pablo Andujar 6-1, 6-2, 6-2.
Meanwhile, defending women's champion Naomi Osaka has crashed out after losing 7-5, 6-4 to Switzerland's Belinda Bencic.
It means Osaka loses her world number one ranking, with Ashleigh Barty returning to the top spot.

Arsenal must improve defensively despite win over Wolves, says Arteta
Dubai Capitals secures thrilling nine-run victory over Abu Dhabi Knight Riders
Dominant pitching leads Mid East to series saving win over Mumbai
Police detain organiser of Messi visit after Indian fans rip up seats
Patel dominates as Mumbai take Game 1 of United Series
