Khachanov moves on at Moselle Open

Seventh-seeded Karen Khachanov of Russia needed three sets to defeat Frenchman Alexandre Muller 4-6, 6-1, 6-3 Tuesday at the Moselle Open in Metz, France.

Alternate Mikael Ymer of Sweden stepped in for an injured Jeremy Chardy to post a 7-5, 6-3 win over Germany's Jan-Lennard Struff.

Also, Britain's Andy Murray was a three-set winner over Ugo Humbert of France, courtesy of a 4-6, 6-3, 6-2 victory.