Pedro Sousa defeated Frederik Nielsen 6-7 6-1 6-1 in the POR vs DEN round robin on clay.
Sousa P. came through in three sets.
Pedro Sousa beat Frederik Nielsen 6-7 6-1 6-1. Umpiry, "Pedro Sousa vs Frederik Nielsen — POR vs DEN Round Robin", https://umpiry.com/match/2010-03-05/nielsen-vs-sousa-por-vs-den-rr?utm_source=cite (as of 5 March 2010).