Former world number four Juan Martin Del Potro, having drawn confidence from his brief Sydney return in January, said he was confident of a full comeback “very soon”.

The Argentine giant, who has endured a stop-start career since winning the US Open in 2009, is recovering from a second corrective operation on his left wrist following surgery a year ago.

“I’m not going to drop my arms because of an injury. If my hand responds well, I’ll come back as soon as possible,” Del Potro said.

“I’m in full recovery, I’m going faster than the time frame the doctor set for me as a goal and that has me enthused and that’s why I believe my return will be very soon.”

The 26-year-old also confirmed an improved relationship with the Argentine Tennis Association and a return to the Davis Cup team.

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