Antoine Rozner has the halfway lead at the DP World Tour Championship, one shot ahead of Rory McIlroy, after an impressive second round.

The Frenchman took advantage of McIlroy's mid-round slip-up and carded a round-of-the-day 65 to hold a lead of nine under on Friday.

McIlroy had surged into what looked like a comfortable lead with four birdies in the first seven holes in Dubai but bogeyed two of the next three as the chasing pack caught up with him once more.

The Northern Irishman, who needs to place 11th or higher to secure the Race to Dubai title, sits joint-second with Tyrrell Hatton, who had also shared the lead after round one.

"I got off to a great start, four under through seven. I was feeling like I was in total control of what I was doing, and then I just started to miss a few fairways around the turn," McIlroy said.

"When you start missing fairways the way the course is set up this week, you're going to start to struggle.

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"So I made two bogeys in the next three holes, I steadied the ship a little bit, but felt like I let a couple of chances slip by on 14 and 15, but played the last three holes well.

"It was nice to finish with a birdie and at least shoot something in the sixties."

Joaquin Niemann sits two strokes back in fourth, while Shane Lowry and Rasmus Hojgaard are in the group tied for sixth on six under.

Meanwhile, Thriston Lawrence, who is the only player capable of snatching the season-long title from McIlroy if he wins in Dubai, is nine adrift of the leader, and currently tied-34th after carding a second-round 71 thanks to a bogey on the final hole.