SOFIA (AFP) – Three-time Grand Slam champion Stan Wawrinka, steadily rebuilding his career after undergoing two knee operations, reached his first semi-final since last year s Roland Garros when he downed Serbia s Viktor Troicki 6-1, 7-6 (7/3) at the Sofia Open on Friday.
Top seed Wawrinka took his record over sixth-seeded Troicki to 9-0 as he stayed on course for what would be a 17th tour-level title.
“I think my level is getting better,” 32-year-old Wawrinka told atpworldtour.com. “I m serving and moving better and it s a great win for me.”
Wawrinka next faces Bosnian qualifier Mirza Basic for a place in Sunday s final.
“I m doing everything to keep winning, that s for sure,” added Wawrinka after just his third win of 2018.
“I m enjoying my time, I m fighting on the court and that s the most important.”