Halle Westfalen, Germany, 20 June - Results of the Halle ATP tournament on Friday (x denotes seeding):
Quarter-finals
Alexander Zverev (GER x2) bt Fabio Cobolli (ITA) 6-4, 7-6 (8/6)
Daniil Medvedev (RUS x3) bt Alex Michelsen (USA) 6-4, 6-3
Alexander Bublik (KAZ) bt Tomas Machac (CZE x7) 7-6 (7/2), 6-3
Karen Khachanov (RUS x8) bt Tomas Martin Etcheverry (ARG) 6-3, 6-2.BSS