Rafael Nadal’s chase for a record-breaking 21st Grand Slam title is off to a good start. The World No. 2 defeated Serbian Laslo Djere 6-3, 6-4, 6-1 to reach the second round of the Australian Open. The legendary lefty will play one of two qualifiers — Michael Mmoh or Viktor Troicki — in the second round."I'm happy to be through to the second round. I think I did a good job today," Nadal said in his on-court interview. "Straight sets, that's what I