Oct 20 (OPTA) - Results from the ATP World Tour 250, Stockholm Men's Singles matches on Friday
.. Quarter-final ..
1-John Isner (USA) beat Tennys Sandgren (USA) 7-6(8) 6-7(5)
7-6
Ernests Gulbis (LAT) beat 4-Jack Sock (USA) 4-6 6-3 6-4
3-Stefanos Tsitsipas (GRE) beat Philipp Kohlschreiber 6-3 7-6(4)
(GER)
2-Fabio Fognini (ITA) beat 6-Hyeon Chung (KOR) 7-5
(Retired)