Federer saves 2 match points after breaking back in the 3rd set to beat Monfils in Madrid
© AFP
He will face Thiem in quarters on Friday.
Madrid
Draw 
Non classé
170e, 360 points
Non classé
Federer R • 4
Monfils G • 15
6
4
7
0
6
6
Federer R • 4
Thiem D • 5
6
6
4
3
7
6