Stanislas Wawrinka defeated Denis Istomin 6-3, 6-3, 6-4 in a show of strength to move into the fourth round of Wimbledon 2014.
Stanislas Wawrinka defeated Denis Istomin 6-3, 6-3, 6-4 in a show of strength to move into the fourth round of Wimbledon 2014.
