Van Gerwen won six legs from seven in a clinical display producing a 95.7 average and 75% on his finishing doubles to defeat a struggling Rock.
Rock's only leg came at 2-1 down in the opening set, but it was a mere hold as Van Gerwen took the opening set on double 20.
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The second set was MVG towards his brilliant best as he took out 68 to go 1-0 up with a 14-darter and a 72 and 84 for clinical combo finishing saw the Dutchman breeze over the line.
He was joined in the second round by Peter Wright who himself was comfortable in seeing off Gabriel Clemens in straight sets.
It was an easy opening set for Wright who took it 3-1 with 50% on finishing doubles. A 14-darter began the second set for a break and he held with a 76 checkout from there to make it 2-0. Clemens added one more resolve, but Wright took out double 10 with Clemens well back.