Having won the Sydney Open, Del Potro was among the favourites for the Australian Open last month but was upset in the second round and went straight to the United states to see a wrist specialist.
"The wrist (recovery) evolved according to Doctor Richard Berger's forecast. After a gradual return to full practice, Del Potro can confirm his participation in the Rotterdam tournament where he will defend the title," the statement read.
The 2009 U.S. Open champion has suffered from problems with both his wrists during his career.
Berger performed surgery on his right wrist in 2010 with the 25-year-old missing most of that season.
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