Serena Williams does it again! The 40-year-old defeated No. 2 seed Anett Kontaveit 7-6, 2-6, 6-2 in a three-set upset on Wednesday night. With the win, Williams extended her record to 42-0 in first-and second-round matches at the year’s final Grand Slam. Williams will now face unseeded Alja Tomljanovic in the third round on Friday in what could be the final match of her career. 📸: Geoff Burke, Robert Deutsch/ USA TODAY Sports #sports #tennis #usopen #serenawilliams