Yohan Poncha dropped the opening game but fought back strongly to win the next three to overcome Krish Shah 5-11, 11-7, 11-9, 11-5 in a boys' U-15 quarter-final match of the Rs One lakh prize-money NSCI-ISP Junior and Doubles Squash Championship at the NSCI Club courts on Saturday.

Second seed Deepak Mandal and the joint 3-4 seeds Avinash Yadav and Yash Dhairyawan comfortably won their matches.