The Australian Open celebrates its 30th anniversary at Melbourne Park this month.

The stars have been busy tuning up on the practice court this week.

Watch: Djokovic Serves Up Shorter Motion

Our man in Melbourne, Tennis Now photographer and Corleve creator Mark Peterson, has been busy shooting champions, contenders and challengers on the practice court and at Tie Break Tens.

Here's the fire, focus and fun of training times through Mark Peterson's lens.

All Photos By Mark Peterson/Corleve