SHOULDN'T #1. Charlotte loses clean.

WWE hasn't left a stone unturned in making Becky Lynch vs Charlotte Flair vs Ronda Rousey one of the hottest feuds ever in recent memory. Besides CM Punk in 2011-12 or Daniel Bryan in 2013-14, no Superstar has been as over in the last 10 years as Becky Lynch is currently. It has been Lynch's overwhelming support that has led WWE to turn Rousey heel and make Charlotte one of the most despised heels in the businesses.
In the latest development, Becky Lynch and Charlotte Flair have been scheduled to go one-on-one at WWE Fastlane, with the condition that if Lynch wins, she enters the RAW Women's Championship at WrestleMania.
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This is where it gets tricky, as Becky Lynch shouldn't win this match on one good leg, as she stated this week on Smackdown. While there's no doubt that Becky Lynch will be in the Championship match at 'Mania, WWE should be wise enough to protect the third wheel of the likely WrestleMania closing match, Charlotte Flair, at Fastlane.
The easiest way to do that would be to have 'Rowdy' Rousey appear and demolish both the women at Fastlane, resulting in a no-contest. This will not only sensibly insert Becky Lynch in the Women's Championship match, but also keep the intrigue alive and keep fans waiting for the ultimate moment: Becky Lynch's triumph.