Pankaj Advani entered the medal rounds in the Asian Snooker Championship, at Doha, Qatar.
Advani was leading 3-1 before Ishpreet replied strongly and clinched two frames to take the match into a decider.
The World snooker champion, though, had no problems in the deciding frame, winning 66-43, for a 4-3 victory.
In the semi-finals, he will take on Thailand's Kritsanut Lertsattayathorn, who beat Pakistan's Muhammad Asif 4-3 in another quarter-final.
The UAE’s Mohamed Shehab and Amir Sarkhosh of Iran will contest the other semi-final.
Image: Pankaj Advani
Injured Ronaldo doubtful for Champions League clash against City
Barcelona Open: Bopanna-Rojer knocked out by unseeded duo
PHOTOS: Arsenal record 500th EPL win and leapfrog City to go third
Suarez 'privileged' to overtake Brazil and Barca legend Ronaldo
VOTE: Should the IPL be held outside India?