LOS ANGELES, CA - MARCH 7: Tennis player Maria Sharapova addresses the media regarding a failed drug test at the Australian Open at The LA Hotel Downtown on March 7, 2016 in Los Angeles, California. Sharapova, a five-time major champion, is currently the 7th ranked player on the WTA tour. Sharapova, withdrew from this weekÂs BNP Paribas Open at Indian Wells due to injury. (Photo by Kevork Djansezian/Getty Images)

Maria Sharapova has vowed to fight a career-ending two-year ban after she was found guilty of an “unintentional” breach of anti-doping laws.

The Russian was given a two-year ban, backdated to January’s Australian Open, but she immediately signalled she would contest the decision.

“I cannot accept an unfairly harsh two-year suspension,” Sharapova said in a statement after being found guilty of using banned Meldonium.

Under the judgement, the 29-year-old would not be able play tennis again until the 2018 Australian Open.

Read more at FoxSports.com.au