Sinner outlasts McDonald in final set to win in WashingtonJannik Sinner became the first teenager to win an ATP 500 event, beating Mackie McDonald 7-5, 4-6, 7-5 to take the Citi Open title.
Krajicek and Sandgren, last hope for U.S. in tennis, fall in bronze medal matchThe men's doubles team of Austin Krajicek and Tennys Sandgren was the United States' last hope of winning a tennis medal at the Tokyo Olympics.