(Janaury 9, 2013) Top-seeded John Isner, who has been battling a knee problem since the beginning of the season lost 6-4, 6-4 to fellow American Ryan Harrison in the second round of the Sydney International on Wednesday.
Injuries have hit the tournament hard. Sydney has suffered withdrawals of the original top seeds Jo-Wilfried Tsonga and Richard Gasquet pulled out before the tournament. More injuries took out Giles Simon, suffering a neck injury and Radek Stepanek a back injury.
Isner withdrew from the Hopman Cup mixed-team competition in Perth last week with a right knee injury but still played Sydney.
On the ladies side, Agnieszka Radwanska of Poland moved into the semifinals with a 6-4, 7-5 win over Italy’s Roberta Vinci and Dominika Cibulkova of Slovakia beat third-seeded Sara Errani of Italy 6-2, 6-1.
Radwanska has a seven-match winning streak in 2013.
“So far I feel good and I’m very happy that I can play good matches, already seven in a row,” she said. “I thin...