diff --git a/src/c/ticTacToe.c b/src/c/ticTacToe.c
index a4208a8..f5ecc78 100644
--- a/src/c/ticTacToe.c
+++ b/src/c/ticTacToe.c
@@ -86,5 +86,35 @@ int wasGameWon(char field[3][3]){
             winner = PLAYER;
         }
     }
+    if(field[0][0] == 'X'){
+        if (field[0][0] == field[0][1] && field[0][2] == field[0][1]){
+            winner = COMPUTER;
+        }
+        else if (field[0][0] == field[1][0] && field[1][0] == field[2][0]){
+            winner = COMPUTER;
+        }
+        else if (field[0][0] == field[1][1] && field[1][1] == field[2][2]){
+            winner = COMPUTER;
+        }
+    }
+    else if(field[2][2] == 'X'){
+        if (field[2][2] == field[2][1] && field[2][2] == field[2][0]){
+            winner = COMPUTER;
+        }
+        else if (field[2][2] == field[1][2] && field[1][2] == field[0][2]){
+            winner = COMPUTER;
+        }
+    }
+    if(field[1][1] == 'X'){
+        if (field[1][1] == field[0][1] && field[0][1] == field[2][1]){
+            winner = COMPUTER;
+        }
+        else if (field[1][1] == field[1][0] && field[1][0] == field[1][2]){
+            winner = COMPUTER;
+        }
+        else if (field[2][0] == field[1][1] && field[1][1] == field[0][2]){
+            winner = COMPUTER;
+        }
+    }
     return winner;
 }
\ No newline at end of file
diff --git a/test/c/test_ticTacToe.c b/test/c/test_ticTacToe.c
index f86583b..ae35d69 100644
--- a/test/c/test_ticTacToe.c
+++ b/test/c/test_ticTacToe.c
@@ -54,5 +54,21 @@ void test_ticTacToe_playerWins(void)
     TEST_ASSERT_EQUAL_INT(PLAYER, result);
 }
 
+void test_ticTacToe_ComputerWins(void)
+{
+    /* arrange */
+    int result;
+    char field[][3] = {
+        {'X', '-', '-'},
+        {'X', '-', '-'},
+        {'X', '-', '-'}
+    };
+
+    /* act */
+    result = wasGameWon(field);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(COMPUTER, result);
+}
 
 #endif // TEST
\ No newline at end of file