By Randy Walker @TennisPublisher Same tournament. Same court. Same brutally hot conditions. Same gritty victory. A resolute Maria Sharapova preserved in scalding hot temperatures on Rod Laver Arena at the Australian Open Thursday, advancing into the third round with a 6-3, 4-6, 10-8 win over Karin Knapp of Italy in 3 hours, 28 minutes. The […]