Flavio Cobolli pulls upset in DC semifinal
Tenth-seeded Flavio Cobolli came from a set down to knock off second-seeded Ben Shelton 4-6, 7-5, 6-3 in one semifinal of the Mubadala Citi DC Open atTenth-seeded Flavio Cobolli came from a set down to knock off second-seeded Ben Shelton 4-6, 7-5, 6-3 in one semifinal of the Mubadala Citi DC Open at