Sky won by pinfall with an Over the Moonsault after blocking Asuka's mist attempt with a notebook from the announce desk.
The match featured repeated momentum swings, submission exchanges and late escapes, including Sky breaking free from the Asuka Lock before landing the decisive sequence.
Fans chanted for Kairi early on, and after the bout an emotional Asuka hugged Sky and raised her hand in a show of respect.
Was Asuka's emotional embrace with Iyo Sky her final goodbye to WWE?
With one star gone and another's future in doubt, what's next for the women's division?