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Serena forced to abandon planned comeback
Serena Williams has been forced to postpone her return to tennis after suffering a further injury setback.
The American, who will be replaced as world No. 1 by Caroline Wozniacki next week, had been due to make her comeback at the WTA tournament in Linz next week.
But the 29-year-old, sidelined since July with a foot injury, has had to scupper those plans after suffering "a physical problem" which surfaced in her final training session for the event.
Former world No. 1 Ana Ivanovic has accepted a late wild card into the tournament.
Source: espn.co.uk
