The Bayern Munich goalkeeper has not played for club or country since last September, but is expected to be ready for duty in Russia this summer
Germany head coach Joachim Low it optimistic captain Manuel Neuer will be ready to play in the World Cup.
Bayern Munich goalkeeper Neuer has not played competitively since undergoing foot surgery last September.
Low named the 32-year-old in his provisional World Cup squad earlier this month, with the caveat that he must gain match practice before the group is cut to a final 23 for the tournament in Russia.