diff --git a/src/main/c/Georg/tictactoe.c b/src/main/c/Georg/tictactoe.c
index c62338a..3f2bfdc 100644
--- a/src/main/c/Georg/tictactoe.c
+++ b/src/main/c/Georg/tictactoe.c
@@ -86,6 +86,14 @@ char* getUserInput(){
     return userInput;
 }
 
+void initializeBoard( bool board[3][3] ){
+    for (int i = 0; i < 3; ++i) {
+        for (int j = 0; j < 3; ++j) {
+            board[i][j] = 0;
+        }
+    }
+}
+
 int startMenu( int code ){
     if( code == -1 ){ // command test
         return 1;
diff --git a/src/main/c/Georg/tictactoe.h b/src/main/c/Georg/tictactoe.h
index 315b22c..fb29d59 100644
--- a/src/main/c/Georg/tictactoe.h
+++ b/src/main/c/Georg/tictactoe.h
@@ -1,6 +1,8 @@
 #ifndef TICTACTOE_H
 #define TICTACTOE_H
 
+#include <stdbool.h>
+
 #define MAX_INPUT_LENGTH 20
 #define MAX_COMMANDS 3
 
@@ -26,6 +28,7 @@ char* getWelcomeMessageTicTacToe(void);
 char* getRulesMessageTicTacToe(void);
 struct ticTacToe createTicTacToe();
 int handleCommand( char* input );
+void initializeBoard( bool board[3][3] );
 
 /* commands */
 commandFunction getCommandById(int id);
diff --git a/src/test/c/Georg/test_tictactoe.c b/src/test/c/Georg/test_tictactoe.c
index 2562299..dcc71be 100644
--- a/src/test/c/Georg/test_tictactoe.c
+++ b/src/test/c/Georg/test_tictactoe.c
@@ -105,4 +105,25 @@ void test_callCommandById_startGame(void){
 
     // assert
     TEST_ASSERT_EQUAL_PTR( startGame, actualCommand );
-}
\ No newline at end of file
+}
+
+
+void test_initializeBoard(void){
+    // arrange
+    bool expectedBoard[3][3]={
+            {0,0,0},
+            {0,0,0},
+            {0,0,0}
+    };
+
+    // act
+    bool actualBoard[3][3];
+    initializeBoard(actualBoard);
+
+    // assert
+    for (size_t i = 0; i < 3; i++) {
+        for (size_t ii = 0; ii < 3; ii++) {
+            TEST_ASSERT_EQUAL_INT(expectedBoard[i][ii], actualBoard[i][ii]);
+        }
+    }
+}