A battle in Louis Armstrong Stadium goes in favor of @jelena.ostapenko, who needed three sets but defeated Petkovic, 6-4, 4-6, 7-5! How far will #Ostapenko go in this year’s #USOpen! 📸: KENA BETANCUR/AFP/Getty Images. _ #wta #tennis #sports #jelenaostapenko #louisarmstrongstadium #instatennis