diff --git a/src/test/c/Georg/test_tictactoe.c b/src/test/c/Georg/test_tictactoe.c
index 3cd7a56..eed3cc1 100644
--- a/src/test/c/Georg/test_tictactoe.c
+++ b/src/test/c/Georg/test_tictactoe.c
@@ -263,3 +263,35 @@ void test_negativ_checkOnWin_horizontally2(void){
     TEST_ASSERT_EQUAL_INT( 0, result2 );
     TEST_ASSERT_EQUAL_INT( 0, result3 );
 }
+
+void test_negativ_checkOnWin_vertically(void){
+    // arrange
+    bool board1[3][3]={
+            {1,0,0},
+            {0,0,0},
+            {0,0,0}
+    };
+
+    bool board2[3][3]={
+            {0,0,0},
+            {1,0,0},
+            {0,0,0}
+    };
+
+    bool board3[3][3]={
+            {0,0,0},
+            {0,0,0},
+            {1,0,0}
+    };
+
+    // act
+    bool result = playerHasWon( board1 );
+    bool result2 = playerHasWon( board2 );
+    bool result3 = playerHasWon( board3 );
+
+    // assert
+    TEST_ASSERT_EQUAL_INT( 0, result );
+    TEST_ASSERT_EQUAL_INT( 0, result2 );
+    TEST_ASSERT_EQUAL_INT( 0, result3 );
+}
+