Need help with this please..I keep getting a error with the else statement, what can be the cause?

Question

https://code.sololearn.com/WOCDAi1dK52l/?ref=app

Answer 1

if (playerOne < playerTwo); {
document.write("player two Win!")
}
    return document.write("double K.O!")

Answer 2

var playerOne = prompt("Enter player one score");
var playerTwo = prompt("Enter player two score");
if (playerOne > playerTwo) {
    document.write("Player one Win!")

}
if (playerOne < playerTwo) {
document.write("player two Win!")
}
if (playerOne == playerTwo) {
    document.write("double K.O!")
}

Answer 3

Thx m8!