3-ranked Casper Ruud, the 37-year-old Wawrinka wasted a chance for another efficient victory when he let slip a 5-3 lead and Nakashima took four straight games to level the match.
Two days after a straight-set win over No. BASEL, Switzerland (AP) - Stan Wawrinka delighted home fans again at the Swiss Indoors, digging deep to beat Brandon Nakashima, 6-4, 5-7, 6-4, in the second round on Thursday after failing to serve out the match in the second set.