Federer battles into 15th Halle semi-final
Halle Westfalen - Roger Federer's resolve was tested again on Friday as he battled to a 6-3, 4-6, 6-4 win over Spain's Roberto Bautista Agut to reach the last four of the ATP event
Halle Westfalen - Roger Federer's resolve was tested again on Friday as he battled to a 6-3, 4-6, 6-4 win over Spain's Roberto Bautista Agut to reach the last four of the ATP event