diff --git a/build/test/cache/test_Spiellogik.c b/build/test/cache/test_Spiellogik.c
index ed73bb1..8688be9 100644
--- a/build/test/cache/test_Spiellogik.c
+++ b/build/test/cache/test_Spiellogik.c
@@ -117,3 +117,23 @@ void test_lose_up_belegtesFeld(void){
    ), (UNITY_UINT)(50), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_lose_up_Obererrand(void){
+
+    int realU[20][20] = { 0 };
+
+    realU[0][12] = 4;
+
+    int result = lose(realU, 'u');
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((1)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(58), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/out/c/test_Spiellogik.o b/build/test/out/c/test_Spiellogik.o
index f67ffd1..12dd3af 100644
Binary files a/build/test/out/c/test_Spiellogik.o and b/build/test/out/c/test_Spiellogik.o differ
diff --git a/build/test/out/c/test_Spiellogik_runner.o b/build/test/out/c/test_Spiellogik_runner.o
index 0e1b196..09b0755 100644
Binary files a/build/test/out/c/test_Spiellogik_runner.o and b/build/test/out/c/test_Spiellogik_runner.o differ
diff --git a/build/test/out/test_Spiellogik.out b/build/test/out/test_Spiellogik.out
index 3490b82..9f954b1 100755
Binary files a/build/test/out/test_Spiellogik.out and b/build/test/out/test_Spiellogik.out differ
diff --git a/build/test/preprocess/files/test_Spiellogik.c b/build/test/preprocess/files/test_Spiellogik.c
index ed73bb1..8688be9 100644
--- a/build/test/preprocess/files/test_Spiellogik.c
+++ b/build/test/preprocess/files/test_Spiellogik.c
@@ -117,3 +117,23 @@ void test_lose_up_belegtesFeld(void){
    ), (UNITY_UINT)(50), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_lose_up_Obererrand(void){
+
+    int realU[20][20] = { 0 };
+
+    realU[0][12] = 4;
+
+    int result = lose(realU, 'u');
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((1)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(58), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/results/test_Spiellogik.pass b/build/test/results/test_Spiellogik.pass
index 22c2fb9..33dac8b 100644
--- a/build/test/results/test_Spiellogik.pass
+++ b/build/test/results/test_Spiellogik.pass
@@ -23,12 +23,16 @@
   :line: 44
   :message: ''
   :unity_test_time: 0
+- :test: test_lose_up_Obererrand
+  :line: 53
+  :message: ''
+  :unity_test_time: 0
 :failures: []
 :ignores: []
 :counts:
-  :total: 5
-  :passed: 5
+  :total: 6
+  :passed: 6
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.003247212000133004
+:time: 0.0013472800001181895
diff --git a/build/test/results/test_Umgebung.pass b/build/test/results/test_Umgebung.pass
index c5794a7..b30f866 100644
--- a/build/test/results/test_Umgebung.pass
+++ b/build/test/results/test_Umgebung.pass
@@ -19,4 +19,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0012993589998586685
+:time: 0.0016389350003009895
diff --git a/build/test/results/test_test.pass b/build/test/results/test_test.pass
index 409c4fd..8a1b6d2 100644
--- a/build/test/results/test_test.pass
+++ b/build/test/results/test_test.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0012410250001266832
+:time: 0.0016045089996623574
diff --git a/build/test/runners/test_Spiellogik_runner.c b/build/test/runners/test_Spiellogik_runner.c
index de397de..2828dda 100644
--- a/build/test/runners/test_Spiellogik_runner.c
+++ b/build/test/runners/test_Spiellogik_runner.c
@@ -15,6 +15,7 @@ extern void test_feldFrei_Verhalten_bei_belegtem_Feld(void);
 extern void test_feldFrei_Verhalten_bei_freiem_Feld(void);
 extern void test_lose_up_freiesFeld(void);
 extern void test_lose_up_belegtesFeld(void);
+extern void test_lose_up_Obererrand(void);
 
 
 /*=======Mock Management=====*/
@@ -84,6 +85,7 @@ int main(void)
   run_test(test_feldFrei_Verhalten_bei_freiem_Feld, "test_feldFrei_Verhalten_bei_freiem_Feld", 27);
   run_test(test_lose_up_freiesFeld, "test_lose_up_freiesFeld", 36);
   run_test(test_lose_up_belegtesFeld, "test_lose_up_belegtesFeld", 44);
+  run_test(test_lose_up_Obererrand, "test_lose_up_Obererrand", 53);
 
   return UnityEnd();
 }
diff --git a/test/test_Spiellogik.c b/test/test_Spiellogik.c
index 749100a..0cf74e5 100644
--- a/test/test_Spiellogik.c
+++ b/test/test_Spiellogik.c
@@ -47,5 +47,13 @@ void test_lose_up_belegtesFeld(void){
     realU[9][12] = 3;
     int result = lose(realU, 'u');
 
+    TEST_ASSERT_EQUAL_INT(1, result);
+}
+
+void test_lose_up_Obererrand(void){
+    int realU[20][20] = { 0 };
+    realU[0][12] = 4;
+    int result = lose(realU, 'u');
+
     TEST_ASSERT_EQUAL_INT(1, result);
 }
\ No newline at end of file