[citation needed] After representing Australia in the 2003 FIFA Women's World Cup and the 2004 Athens Olympic Games, Karp retired from football to focus on a career in the law.

Initially Karp was denied entry to the boys league, however when her brother's team did not have enough players, she was offered a chance to compete.

[3][1] After proving herself and kicking the winning goal of the match, Karp was invited to remain on the team.

When the Women's National Soccer League was formed, Karp was drafted to play for the Canberra Eclipse (1996).

However, in 2008, she returned to the game to captain the Melbourne Victory Women's Team in the inaugural season of the Westfield W-League.

[9] Karp has held senior legal practice, policy, strategy and advisory roles and regularly appears as an advocate in complex civil and criminal matters.