Djokovic worried about leg, bothered by heckler in Australia

By HOWARD FENDRICH
AP Tennis Writer

MELBOURNE, Australia (AP) — Novak Djokovic says he is worried about his left hamstring after beating 191st-ranked French qualifier Enzo Couacaud 6-1, 6-7 (5), 6-2, 6-0 in the second round of the Australian Open. Djokovic also was bothered by a persistent heckler during the match. Djokovic says his leg is such a concern that he is not practicing on the days before his matches. He is seeking a 10th trophy at Melbourne Park and a 22nd Grand Slam title overall. He took the court knowing that No. 1 seed Rafael Nadal and No. 2 seed Casper Ruud already were out of the tournament.