Novak Djokovic reached the semifinals of the Swiss Indoors on Friday with a 3-6, 7-6 (5), 6-2 victory over Stanislas Wawrinka. The second-seeded Djokovic trailed by a set and a service break before rallying against the sixth-seeded Swiss. The 22-year-old Serb had to work hard for this win, a day after breezing past Jan Hernych 6-0, 6-0 - his first double bagel in an elite tournament. Djokovic will play fifth-seeded Radek Stepanek of the Czech Republic on Saturday.