The ATP action in Dubai is underway with surprising upsets already rolling in and qualifiers making noise to start their main-draw campaigns.

These are the Top 5 photos from Monday. (All photos Getty)

1

Dubai Duty Free Tennis Championships

With the women just wrapping up their WTA 1000-level event in Dubai, it's the men's turn to bring the heat this week in the Middle East. Though the ATP-500 event is without Novak Djokovic, Rafael Nadal and recently back-on-tour Roger Federer, there's no shortage of big names including 2020 US Open champion and top seed Dominic Thiem.

Top 5 Photos, 3/15: 
Chardy upsets De 
Minaur in Dubai

Top 5 Photos, 3/15: Chardy upsets De Minaur in Dubai

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2

Jeremy Chardy

The Frenchman continues to fly under the radar. He kicked started his year by reaching two semifinals ahead of the Australian Open and also reached Rotterdam's quarterfinals earlier this month. In Dubai, he posted a 2-6, 6-3, 6-4 score to move past Alex de Minaur and into the round of 16.

Top 5 Photos, 3/15: 
Chardy upsets De 
Minaur in Dubai

Top 5 Photos, 3/15: Chardy upsets De Minaur in Dubai

3

Alex de Minaur

The Aussie put on a great performance but it just wasn't enough to defeat Chardy is his opening Dubai round. De Minaur hasn't being dealt any easy draws recently. In the second round of Rotterdam, he fell to veteran Kei Nishikori in three sets.

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Top 5 Photos, 3/15: 
Chardy upsets De 
Minaur in Dubai

Top 5 Photos, 3/15: Chardy upsets De Minaur in Dubai

4

Vasek Pospisil

The Canadian had a rough opening round against Marton Fucsovics. Pospisil claimed the first set easily and went up a break in the second, but couldn't seal the deal against the world No. 44. Pospisil fell to the Hungarian, 6-2, 5-7, 4-6, and now trails, 0-2, in their head-to-head series.

Top 5 Photos, 3/15: 
Chardy upsets De 
Minaur in Dubai

Top 5 Photos, 3/15: Chardy upsets De Minaur in Dubai

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5

Bernabe Zapata Miralles

That's three matches in a row for the 150th-ranked qualifier. The 24-year-old hustled his way through qualifying and served up a straight-set upset victory against John Millman in the first round.