Conflict with returning a specific result within if statements

I have the following code written so far (still working on formatting the code so that it is smaller). I have added some comments so that you can have a better understanding. I have stated on each case what the output should be. All bar case2 is correct, but case2 seems to be conflicting with the statement below. Can I have some assistance in fixing this issue?

if (arr[i][0].match(/[^AOE]/) !== null) {
    return "Invalid"
}
if (arr[i][1].match(/[^AOE]/) !== null) {
    return "Invalid"
}
if (arr[i][2].match(/[^AOE]/) !== null) {
    return "Invalid"
}

Below is my current code (sorry for the format of the cases, its just an easy way to visualise):

function checkWinner(arr) { 
    for (var i = 0; i < 3; i++) { 

        /* Is the Board layout correct*/
        if (arr.flat().length !== 9){
            return "Not Completed"
        }
        /*Checks if all indexes == E */ 
        if ((arr[0][0] == "E" && arr[0][1] == "E" && arr[0][2] == "E" && arr[1][0] == "E" && arr[1][1] == "E" && arr[1][2] == "E" && arr[2][0] == "E" && arr[2][1] == "E" && arr[2][2] == "E")) {
            return "Please start playing" 
        }
        /*Reading for X and O*/
        /*Horizontal*/
        if (arr[i][0] == "X" && arr[i][1] == "X" && arr[i][2] == "X") {
            return "Valid"
        }
        if (arr[i][0] == "O" && arr[i][1] == "O" && arr[i][2] == "O") {
            return "Valid"
        }
        /*Vertical*/
        if (arr[0][i] == "X" && arr[1][i] == "X" && arr[2][i] == "X") {
            return "Valid"
        }
        if (arr[0][i] == "O" && arr[1][i] == "O" && arr[2][i] == "O") {
            return "Valid"
        }
        /*Diagonal TL to BR */
        if (arr[0][0] == "X" && arr[1][1] == "X" && arr[2][2] == "X") {
            return "Valid"
        }
        if (arr[0][0] == "O" && arr[1][1] == "O" && arr[2][2] == "O") {
            return "Valid"
        }
        /*Diagonal TR to BL */
        if (arr[0][2] == "X" && arr[1][1] == "X" && arr[2][0] == "X") {
            return "Valid"
        }
        if (arr[0][2] == "O" && arr[1][1] == "O" && arr[2][0] == "O") {
            return "Valid"
        }

        /*Does it contain special characters*/
        if (arr[i][0].match(/[^AOE]/) !== null) {
            return "Invalid"
        }
        if (arr[i][1].match(/[^AOE]/) !== null) {
            return "Invalid"
        }
        if (arr[i][2].match(/[^AOE]/) !== null) {
            return "Invalid"
        }

    }
    return "Draw" 
}

case1 = checkWinner(
    [
        ["X", "X", "E"],
        ["X", "X", "O"],
        ["O", "E", "X"]
    ]
);
console.log(case1) // Valid

case2 = checkWinner(
    [
        ["X", "X", "O"],
        ["O", "O", "X"],
        ["X", "O", "O"]
    ]
);
console.log(case2) //Draw *This is what it should be, but returns invalid*

case3 = checkWinner(
    [
        ["E", "E", "E"],
        ["E", "E", "E"],
        ["E", "E", "E"]
    ]
);
console.log(case3) //Please Start Playing

case4 = checkWinner(
    [
        [],
        [],
        []
    ]
);
console.log(case4) //Not Completed

case5 = checkWinner(
    [
        [],
        [],
    ]
);
console.log(case5) //Not Completed

case6 = checkWinner(
    [
        ["X", "X", "O"],
        ["O", "O", "X"],
        []
    ]
);
console.log(case6) //Not Completed

case7 = checkWinner(
    [
        ["X", "X"],
        ["O"],
        ["E", "O"]
    ]
);
console.log(case7) //Not Completed

case8 = checkWinner(
    [
        ["!$%", "Y", "E"],
        ["", "O", undefined],
        [3, "X", ""],
    ]
);
console.log(case8) //Invalid