[1] Beginning on the ITF Circuit in 1994, she won her biggest title at Athens in 1997, defeating Evgenia Kulikovskaya in the final of a $25k tournament.

[2] She played five singles and five doubles rubbers for Romania's Fed Cup team across 1997 and 1998, in a total of seven ties.

Pirsu left the professional tennis circuit to attend the University of Pennsylvania.

While studying for her economics degree she was a co-captain of the university's tennis team, the Penn Quakers, earning the Ivy League Player of the Year award in both 2002 and 2003.

She made the final eight of the 2003 NCAA Division I Women's Tennis Championships, becoming the first Quakers player to have done so.