World number one Iga Swiatek said the "sky is the limit" after winning her maiden US Open title. "It's something that I wasn't expecting for sure...I'm proud, also surprised a little bit. Just happy that I was able to do that," she added. Swiatek beat Ons Jabeur 6-2, 7-6(7-5) in final. Overall, it was the 21-year-old's third Grand Slam title.