adminPERTH. — Australian Open tennis tournament preparations of Serena Williams suffered a potentially significant blow when she was forced to retire with a knee injury during the United States’ 3-0 Hopman Cup loss to Australia Gold last night. The world number one retired due to soreness in her left knee during her singles match against Jarmila Wolfe (nee Gajdosova) when trailing 7-5, 2-1.
Veteran Lleyton Hewitt then secured the tie for Australia Gold with a 7-5, 6-4 win over Jack Sock. — Reuters.
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