diff --git a/test/test_tictactoe.c b/test/test_tictactoe.c
index 971501a..08d3260 100644
--- a/test/test_tictactoe.c
+++ b/test/test_tictactoe.c
@@ -43,4 +43,9 @@ void test_CheckForWin_Vertical_2_5_8(void) {
     TEST_ASSERT(checkForWin(1, 11, 3, 4, 11, 6, 7, 11, 9, 11) == 1);
 }
 
+void test_CheckForWin_Vertical_3_6_9(void) {
+    // Teste vertikalen Sieg in der dritten Spalte
+    TEST_ASSERT(checkForWin(1, 2, 11, 4, 5, 11, 7, 8, 11, 11) == 1);
+}
+
 #endif // TEST
\ No newline at end of file