Wearing a compression sleeve on his right arm to protect his troublesome elbow, Djokovic dominated the fifth-ranked Thiem 6-1, 6-4 on Wednesday in an exhibition match at the Kooyong Classic, a key tune-up event for next week's Australian Open.
NOVAK DJOKOVIC: Has not pulled out yet but is using exhibition matches to decide whether his injured elbow is up to the rigors of a two-week tournament.
"I don't say I'm at 100 per cent, I can only say that when I get the feel of a tournament".
Although Djokovic said he was delighted with his performance, especially his serve, he acknowledged that he was still not in flawless shape.
Wawrinka is among a cluster of grand slam champions to face off at the Tie Break Tens for a winner-takes-all purse of $250,000 on Margaret Court Arena.
Federer defeated Nadal in a memorable five-set final past year to win his 18th grand slam title, before later triumphing at Wimbledon.
Wawrinka, who defeated Rafael Nadal to win the 2014 Australian title, has slipped to nine in the world rankings, having not played since his first-round Wimbledon loss to Russian Daniil Medvedev in July. It's a great joy, I love this sport, it's a great passion of mine so I missed it.
The first Grand Slam of 2018 is just about here in the Australian Open from Melbourne.
Not to mention he hasn't lost a first round match in a grand slam in 15 years.
Other form players include France's Gael Monfils, who won the lead-up Qatar Open in a depleted field, and his countryman Gilles Simon who rolled back the years to claim the ATP Maharashtra Open title.
Sixth-ranked Cilic said he needs only a few more days of training to be ready for the start of the Open at Melbourne Park.
World No. 1 Rafael Nadal withdrew from his first tour event of 2018, in Brisbane, with continuing knee problems, and is seeking match practice in a Melbourne exhibition event ahead of the January 15 start.
"He accepted that he would not play at Roland Garros in order to win Wimbledon, because he thought Wimbledon is the Grand Slam, after Australia, which he won, that he had the best chance to win. For me it was not ideal to not be in Brisbane, I would have loved to be there but I had to make a different schedule this year", Nadal said during the week.