Vladimir Obradovic defeated Andrea Collarini 6-7 7-6 6-4 in the USA F4 round of 16 on clay. The result followed the form book — Vladimir Obradovic came in leading the head-to-head 1–0. Vladimir Obradovic extended the head-to-head to 2–0.
Obradovic V. came through in three sets.
Clay: Obradovic V. leads 1–0 · Hard: Obradovic V. leads 1–0
Vladimir Obradovic beat Andrea Collarini 6-7(4) 7-6(6) 6-4. Umpiry, "Vladimir Obradovic vs Andrea Collarini — USA F4 Round of 16", https://umpiry.com/match/2012-01-30/collarini-vs-obradovic-usa-f4-r16?utm_source=cite (as of 30 January 2012).