Tennis Tennis Radwanska through to final of WTA Finals The World No. 6 defeated Garbine Muguruza and will face either five-time Grand Slam winner Maria Sharapova or Petra Kvitova of the Czech Republic in Sunday's final. AFP Singapore 31 October, 2015 16:15 IST Agnieszka Radwanska beat Garbine Muguruza 6-7 (5/7), 6-3, 7-5. - AP (File Photo) AFP Singapore 31 October, 2015 16:15 IST Poland's Agnieszka Radwanska beat Garbine Muguruza 6-7 (5/7), 6-3, 7-5 on Saturday to reach the championship round of the WTA Finals for the first time in Singapore. The defensive tactician drew on her deeper experience to down the fast-rising Spanish star and will face either five-time Grand Slam winner Maria Sharapova or Petra Kvitova of the Czech Republic in Sunday's final. Read more stories on Tennis. For more updates, follow Sportstar on :