Moscow - The head of the Russian Tennis
Federation says Maria Sharapova's failed doping test could spell the end of her
Shamil Tarpishchev tells Russian news
agency R-Sport that Sharapova's situation is "bad" and that it is
"very doubtful" that she will resume her career.
Tarpishchev had previously predicted that
Sharapova could return to competition in time to lead the Russian team at the
Olympics in August. It was not immediately clear what prompted his change of
Sharapova tested positive for meldonium at
the Australian Open in January. She said she had taken the drug for a decade
for medical purposes and did not know it had been banned for 2016.