Two -time champion Arthur Ashe defeated in third round of the United States Open . There was a fairytale in New York for qualifier Mirjana Lucic-Baroni as she knocked out second seed Italian world No . 13 Sara Errani wins epic encounter 6 -0 0-6 7-6 . Qualifier Sara Errani knocks out third seed Mirjana Lucic-Baroni . The former Croatian teenage star describes her shock victory as `` incredible ''
Two -time champion Arthur Ashe defeated in third round of the United States Open . Italian world No . 13 Sara Errani wins epic encounter 6 -0 0-6 7-6 . Qualifier Sara Errani knocks out third seed Mirjana Lucic-Baroni . The former Croatian teenage star describes her shock victory as `` incredible ''