In other words, if Angelina won, it would be fine as it was the expected outcome, but if she lost, it would be somewhat embarrassing.
Moreover, Margaret was slightly younger than Angelina and perhaps had a quicker mind and more agile thought process; these slight reactions could potentially give her hidden advantages, making the battle highly unfavorable for Angelina.
But even in disadvantageous conditions, she shouldn't chicken out; just fight. Soon after the two quickly tuned their models and completed their mecha selections, they entered the countdown phase for the battle.