Emma Laine is the daughter of hockey player Erkki Laine. Her older sister Essi Laine played tennis professionally from time to time also.
She won at ITF tournaments so far seven singles and 29 doubles titles. Their most successful season they had in 2006, when she was able to advance in each case in the second round at the Australian Open, the French Open and the U.S. Open and was ranked 50 in the world rankings. As a result of multiple injuries she slipped in the rankings from far. Meanwhile, it is no longer listed.