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.

Daniil Medvedev handed Dubai title after Griekspoor withdrawal
England beat New Zealand to keep Pakistan's T20 World Cup hopes alive
Medvedev to face Griekspoor in bid for second Dubai title
Real Madrid face Man City again in Champions League knockouts
India defeat Zimbabwe to revive T20 World Cup hopes
