Chennai, Sept. 10 -- Ajeetesh Sandhu fired a bogey-free four-under 68 to extend his lead to three shots after the third round of the PGTI Golf Tour Chennai Open here on Thursday.

The 37-year-old Chandigarh golfer (65-66-68), who began the day with a two-stroke advantage, returned with an error-free round firing four birdies to move to 17-under 199 heading into the final round.

Kolkata's Viraj Madappa (72-67-63) fired the day's lowest score, a nine-under 63, to climb nine places from tied 11th to second at 14-under 202. The 28-year-old, a two-time DP World PGTI winner and former Asian Tour champion, recorded an eagle on the par-four sixth, eight birdies and a solitary bogey in his round today.

Overnight second-placed Stepan Danek (65-68-7...