We already see.

BTC vs XMR in darknet 0 : 1

BTC vs XMR in white market 0 : 1

LN vs XMR 1 : 0

Ecash vs XMR 1 : 0

BISQ vs Reto 1 : 0

The first two are already lost for BTC. The other three will get decided in the next 5 years.