World No. 37 Anhelina Kalinina admitted she was surprised by the score with which she defeated No. 7 seed Garbine Muguruza in Madrid. Kalinina, 25, delivered one of the best performances of her career as she destroyed former world No.1 Muguruza 6-3 6-0 to clinch her first top-10 win and progress into the Madrid round-of-16. Kalinina got off to a good start, claiming the first break of the match in the fourth game to take a 3-1 lead. Muguruza had her chances in the first set but Kalinina saved four break points in the fifth game and t …