Australian Open: Giant-killer Tennys Sandgren upsets Dominic Thiem
Tennis | January 22, 2018 16:26 ISTThe 26-year-old American, who entered the season's opening major ranked 97th, missed a match point in the fourth set but held on for a 6-2, 4-6, 7-6 (4), 6-7 (7), 6-3 win over fifth-seed Thiem.
