"No words, games, or actions will ever stop me from reaching my own dreams".
Sharapova competed for the first time in more than a year last month having served a suspension for failing a drugs test in 2016.
"Sharapova, who has twice won that particular tournaments posted on her Twitter account on Wednesday morning saying: "'If this is what it takes to rise up again, then I am in it all the way, everyday.
Sharapova had stunned the tennis world when she announced a year ago that she had tested positive for heart drug meldonium at the Australian Open after failing to realise it had been added to WADA's list of banned substances.
"What also disappoints me is the fact that Wada has not conducted their business properly, that disappoints me more than the fact that Maria is not playing".
MARIA Sharapova retired with injury in her second-round match in Rome, just hours after she was denied a wild card for the French Open, while defending champion Andy Murray crashed to a heavy defeat in his opener against Fabio Fognini.
Announcing the FFT's decision Tuesday, president Bernard Giudicelli said giving Sharapova a wildcard would make a nonsense of tennis authorities' ramped-up efforts against doping.
The five-time Grand Slam champion, 30, was banned for two years for using meldonium, with the penalty later reduced by the Court of Arbitration for Sport (CAS), which ruled she was not an intentional doper.
Sharapova can rise above the furore surrounding her return if she accepts the decision to deny her a wild card entry to the French Open without rancor, former world No. 3 Pam Shriver has said.
WTA chief executive Steve Simon condemned the reasoning for her snub and insists the FFT are not in a position to hand Sharapova further punishment.
The Women's Tennis Association have slammed the decision not to award the Russian an entry to the tournament.
He said during a live Facebook broadcast: "It is my responsibility and my mission to protect the game and protect high standards of the game played without any "doping" on the result, so that is our decision".
Cash said he was disappointed the Italian federation had offered up a wildcard this week but hoped there'd be no such offer from Wimbledon officials.
He accepted a lot of fans wanted to see her play, but he would not grant special favors.
She will however move into the world's top 200 and secure a spot in qualifying for Wimbledon.
Maria Sharapova of Russian Federation v Mirjana Lucic-Baroni of Croatia - Rome, Italy - 16/5/17- Sharapova reacts during the match.