diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index a152ca0..19f8742 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -71,6 +71,12 @@ int x_wins_00_01_02(char board[][3]) {
     }    
 }
 
+int o_wins_00_10_20(char board[][3]) {
+    if (board[0][0] == 'O' && board[1][0] == 'O' && board[2][0] == 'O') {
+        return 1;
+    }    
+}
+
 int string_character_counter(char string[]) {
     int stringLength = 0;