With this win, the Royals have leapfrogged the Mavericks into second position in the table.
Despite going down 6-5 in a tightly contested first set, the Royals fought back well with Marin Cilic registering a win over Jo-Wilfried Tsonga, and Kristina Mladenovic showing her form as she closed out the final two sets and the match in convincing fashion.
UAE Royals will play Singapore Slammers on the final day of the Singapore leg tomorrow, before moving to New Delhi.
But US Open champion Cilic brought UAE back on track in the men's singles round as he broke serve in a hard hitting battle to outplay Tsonga 6-4.
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Tsonga then paired up with Treat Huey to produce a moment of magic for the Mavericks as the duo stole the set 6-3, defeating the star combination of Nenad Zimonjic and Marin Cilic in men's doubles.
UAE bounced back once again with mixed doubles duo of Zimonjic and in-form Mladenovic thrashing Kirsten Flipkens and Daniel Nestor 6-1.
"I've been playing every match so far, doubles and mixed doubles, it is tough, you've got to stay focused, every point counts. A little lack of concentration could cost you the match and I think it's important," Zimonjic said.