Sunday's Australian Open results

Men

FOURTH ROUND • SUNDAY

• Kei Nishikori (7) def.

Jo-Wilfried Tsonga (9), 6-4, 6-2, 6-4.

• Novak Djokovic (1) def.

Gilles Simon (14), 6-3, 6-7 (1), 6-4, 4-6, 6-3.

• Tomas Berdych (6) def.

R. Bautista Agut (24), 4-6, 6-4, 6-3, 1-6, 6-3.

• Roger Federer (3) def.

David Goffin (15), 6-2, 6-1, 6-4.

Women

FOURTH ROUND • SUNDAY

• Maria Sharapova (5) def.

Belinda Bencic (12), 7-5, 7-5.

• Serena Williams (1) def.

Margarita Gasparyan, 6-2, 6-1.

• Agnieszka Radwanska (4) def.

Anna-Lena Friedsam, 6-7 (6), 6-1, 7-5.

• Carla Suarez Navarro (10) def.

Daria Gavrilova, 0-6, 6-3, 6-2.