Paul, the 11th seed in Madrid, saw off the talented Brazilian 18-year-old Joao Fonseca in two tie-breaks in his second-round match before dropping a set but ultimately coming through against 24th seed Karen Khachanov in round three.

Jack Draper is through to his fourth Masters 1000 quarter-final in Madrid. The Briton faced Tommy Paul in the fourth round and produced a 6-2, 6-2 victory in 68 minutes following a dominant display. A left-hander outplayed his opponent in almost every segment on the fast clay in Caja Magica.