Sergas was born in Trieste in northern Italy. She took up golf at the age of nine at Golf Club Trieste under the coaching of Ezio Pavan.[1] She attended the Linguistic College.
Sergas turned professional on 22 October 1999 and played initially on the Ladies European Tour. In her rookie season in 2000 she earned the Bill Johnson Rookie of the Year award as the leading rookie on the LET Order of Merit.[3] She qualified for the LPGA Tour in 2002. Her best finish on the LPGA Tour is a tied for second at the 2004 ShopRite LPGA Classic. Her best finishes on the Ladies European Tour are second at the 2011 Sicilian Ladies Italian Open and tied for second at the 2011 New Zealand Women's Open. She also finished tied for second at the unofficial 2009 European Nations Cup.
After the conclusion of the 2013 Women's British Open, she was chosen by Liselotte Neumann as one of her four captain's selections to the 2013 European Solheim Cup Team for the matches to be held in Colorado.[4] She helped lead Team Europe to a 18–10 win. It was the Europeans' first successful defense of the Cup, and also the first win for Team Europe on American soil.[5]
