India, Oct. 29 -- Former Australia captain Meg Lanning has cautioned that India skipper Harmanpreet Kaur could prove "impossible to stop" if she finds her rhythm in the Women's ODI World Cup semifinal between the two cricketing giants in Navi Mumbai on Thursday.

Lanning, who led Australia to two World Cup titles during her illustrious career, believes that while the defending champions' all-round depth gives them an edge, Harmanpreet remains the key threat who can single-handedly change the course of the knockout match.

"For India, I am going to go with captain Harmanpreet Kaur. She's had a good tournament, but she's probably yet to really explode and dominate a game," Lanning said on the ICC Review.

"And for me, that makes me a touch ...