NEW YORK – Tsvetana Pironkova smacked an ace on match point, part of the balancing act she made look easy from start to finish Thursday.The shot punctuated a 7-5, 6-3 upset win over No.
10-seeded Garbine Maguruza in the second round of the U.S. Open, Pironkova's first tournament after a three-year break to give birth to her son, Alexander.“If you make a good schedule and have the right motivation, you can combine the two things, motherhood and being a professional tennis player,” Pironkova said. “It takes a lot of work but, you know, everything takes work.”A 32-year-old Bulgarian, Pironkova gave birth to Alexander in April 2018.