Thorbjorn Olesen made five birdies in six holes Friday on his way to a 3-under 68 and a one-shot lead after the second round of the Mauritius Open.

Olesen's run from No. 4 to No. 9 propelled him to 9-under 133 overall at Heritage Golf Club on the Indian Ocean island. It's the Dane's first tournament in three months after hand surgery.

Olesen leads Pelle Edberg (66) halfway through the new, tri-sanctioned European, Asian and South African tour event. Thomas Aiken (66), Dean Burmester (68) and Matthew Fitzpatrick (67) were tie for third, another shot back.

Kiradech Aphibarnrat, the Race to Dubai's highest-ranked player in Mauritius, withdrew after an opening-round 77.