diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index 5d112b6..d09e661 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -47,4 +47,10 @@ int x_wins_00_10_20(char board[][3]) {
     if (board[0][0] == 'X' && board[1][0] == 'X' && board[2][0] == 'X') {
         return 1;
     }    
+}
+
+int x_wins_01_11_21(char board[][3]) {
+    if (board[0][1] == 'X' && board[1][1] == 'X' && board[2][1] == 'X') {
+        return 1;
+    }    
 }
\ No newline at end of file
diff --git a/src/test/test_funktionen.c b/src/test/test_funktionen.c
index 09ca587..2f16f48 100644
--- a/src/test/test_funktionen.c
+++ b/src/test/test_funktionen.c
@@ -91,4 +91,19 @@ void test_x_wins_onIndex_00_10_20(void)
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
+void test_x_wins_onIndex_01_11_21(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{' ','X',' '}, {' ','X',' '}, {' ','X',' '}};
+
+    /* act */
+    actual = x_wins_01_11_21(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
 #endif
\ No newline at end of file