Danielle Collins and Desire Krawczyk did it the hard way – all week long. The American duo captured the Credit One Charleston Open doubles title on Sunday, shocking No. 1 seeds Giuliana Olmos and Ena Shibahara 0-6 6-4 14-12 in a come-from-behind victory which gave Collins her first-ever WTA title in doubles and an eighth for Krawczyk.