diff --git a/test/test_tictactoe.c b/test/test_tictactoe.c
index 47d4c21..88cccbb 100644
--- a/test/test_tictactoe.c
+++ b/test/test_tictactoe.c
@@ -27,4 +27,9 @@ void test_CheckForWin_Horizontal_4_5_6(void) {
     TEST_ASSERT(checkForWin(1, 2, 3, 11, 11, 11, 7, 8, 9, 11) == 1);
 }
 
+void test_CheckForWin_Horizontal_7_8_9(void) {
+    // Teste horizontalen Sieg in der dritten Zeile
+    TEST_ASSERT(checkForWin(1, 2, 3, 4, 5, 6, 11, 11, 11, 11) == 1);
+}
+
 #endif // TEST
\ No newline at end of file