diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index c0e9b06..228ee39 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -105,6 +105,12 @@ int o_wins_20_21_22(char board[][3]) {
     }    
 }
 
+int o_wins_00_11_22(char board[][3]) {
+    if (board[0][0] == 'O' && board[1][1] == 'O' && board[2][2] == 'O') {
+        return 1;
+    }    
+}
+
 int stringCharacterCounter(char string[]) {
     int stringLength = 0;