Hillary won the first, Pence won the VP debate, the second was a draw (but a Trump win in that people stopped talking about the Access Hollywood tape), and Trump de facto won the third because he got Hillary on record with some extremist abortion takes.
Hillary's views on abortion had nothing to do with her losing the election, though.
This was one of the biggest factors in why Christians who viewed Trunp unfavorably for the whole calendar year somehow held their nose in voting for him. Scalia's death create the win because that signalled the last chance to save the pro life agenda. That is all SCOTUS appointments mean in the two thousand and tens. Hillary's debate answer - markedly less important