Five-time Grand Slam champion Maria Sharapova says she has got her "day job back" as she prepares to return to tennis after a 15-month ban.
Sharapova was banned for two years last March after testing positive for meldonium, but the Court of Arbitration for Sport (Cas) reduced the suspension.
The 29-year-old Russian will return at next month's Porsche Grand Prix, courtesy of a wildcard entry.
"Will it be difficult? Absolutely," said the former world number one.
"In tennis you lose a lot of hand-eye co-ordination. Practice is never the same as matchplay, to face someone on the other side of the net.