Di Giulio hung tough .
Di Giulio could n't complete the comeback for his side , as Bragusi took No. 6 singles 6 - 3 , 5 - 7 , 6 - 4 to advance the Sooners to the quarterfinals .
Di Giulio hung tough but could n't complete the comeback for his side , as Bragusi took No. 6 singles 6 - 3 , 5 - 7 , 6 - 4 to advance the Sooners to the quarterfinals .