diff --git a/src/main/java/game/StartTicTacToeGame.java b/src/main/java/game/StartTicTacToeGame.java
index e8b4557..221c8eb 100644
--- a/src/main/java/game/StartTicTacToeGame.java
+++ b/src/main/java/game/StartTicTacToeGame.java
@@ -157,6 +157,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button.setEnabled(false);
 				player1buttonPressed = true;
+				check();
 			}
 			else {
 				button.setForeground(Color.black);
@@ -165,6 +166,7 @@ public class StartTicTacToeGame implements ActionListener{
 				button.setEnabled(false);
 				player1Turn();
 				player2buttonPressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button2) {
@@ -175,6 +177,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button2.setEnabled(false);
 				player1button2Pressed = true;
+				check();
 			}
 			else {
 				button2.setForeground(Color.black);
@@ -183,6 +186,7 @@ public class StartTicTacToeGame implements ActionListener{
 				button2.setEnabled(false);
 				player1Turn();
 				player2button2Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button3) {
@@ -193,6 +197,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button3.setEnabled(false);
 				player1button3Pressed = true;
+				check();
 			}
 			else {
 				button3.setForeground(Color.black);
@@ -201,6 +206,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button3.setEnabled(false);
 				player2button3Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button4) {
@@ -211,6 +217,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button4.setEnabled(false);
 				player1button4Pressed = true;
+				check();
 			}
 			else {
 				button4.setForeground(Color.black);
@@ -219,6 +226,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button4.setEnabled(false);
 				player2button4Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button5) {
@@ -229,6 +237,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button5.setEnabled(false);
 				player1button5Pressed = true;
+				check();
 			}
 			else {
 				button5.setForeground(Color.black);
@@ -237,6 +246,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button5.setEnabled(false);
 				player2button5Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button6) {
@@ -247,6 +257,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button6.setEnabled(false);
 				player1button6Pressed = true;
+				check();
 			}
 			else {
 				button6.setForeground(Color.black);
@@ -255,6 +266,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button6.setEnabled(false);
 				player2button6Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button7) {
@@ -265,6 +277,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button7.setEnabled(false);
 				player1button7Pressed = true;
+				check();
 			}
 			else {
 				button7.setForeground(Color.black);
@@ -273,6 +286,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button7.setEnabled(false);
 				player2button7Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button8) {
@@ -283,6 +297,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button8.setEnabled(false);
 				player1button8Pressed = true;
+				check();
 			}
 			else {
 				button8.setForeground(Color.black);
@@ -291,6 +306,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player1Turn();
 				button8.setEnabled(false);
 				player2button8Pressed = true;
+				check();
 			}
 		}
 		else if(e.getSource() == button9) {
@@ -301,6 +317,7 @@ public class StartTicTacToeGame implements ActionListener{
 				player2Turn();
 				button9.setEnabled(false);
 				player1button9Pressed = true;
+				check();
 			}
 			else {
 				button9.setForeground(Color.black);
@@ -309,6 +326,7 @@ public class StartTicTacToeGame implements ActionListener{
 				button9.setEnabled(false);
 				player1Turn();
 				player2button9Pressed = true;
+				check();
 			}
 		}
 		
@@ -346,4 +364,62 @@ public class StartTicTacToeGame implements ActionListener{
 		//zurück button
 		backButton.setVisible(true);
 	}
+	
+	public void check() {
+		if(player1buttonPressed && player1button2Pressed && player1button3Pressed) {
+			player1Won();
+		}
+		else if(player1button4Pressed && player1button5Pressed && player1button6Pressed) {
+			player1Won();
+		}
+		else if(player1button7Pressed && player1button8Pressed && player1button9Pressed) {
+			player1Won();
+		}
+		else if(player1buttonPressed && player1button5Pressed && player1button6Pressed) {
+			player1Won();
+		}
+		else if(player1buttonPressed && player1button4Pressed && player1button7Pressed) {
+			player1Won();
+		}
+		else if(player1button2Pressed && player1button5Pressed && player1button8Pressed) {
+			player1Won();
+		}
+		else if(player1button3Pressed && player1button6Pressed && player1button9Pressed) {
+			player1Won();
+		}
+		else if(player1buttonPressed && player1button5Pressed && player1button9Pressed) {
+			player1Won();
+		}
+		else if(player1button3Pressed && player1button5Pressed && player1button7Pressed) {
+			player1Won();
+		}
+		
+		if(player2buttonPressed && player2button2Pressed && player2button3Pressed) {
+			player2Won();
+		}
+		else if(player2button4Pressed && player2button5Pressed && player2button6Pressed) {
+			player2Won();
+		}
+		else if(player2button7Pressed && player2button8Pressed && player2button9Pressed) {
+			player2Won();
+		}
+		else if(player2buttonPressed && player2button5Pressed && player2button6Pressed) {
+			player2Won();
+		}
+		else if(player2buttonPressed && player2button4Pressed && player2button7Pressed) {
+			player2Won();
+		}
+		else if(player2button2Pressed && player2button5Pressed && player2button8Pressed) {
+			player2Won();
+		}
+		else if(player2button3Pressed && player2button6Pressed && player2button9Pressed) {
+			player2Won();
+		}
+		else if(player2buttonPressed && player2button5Pressed && player2button9Pressed) {
+			player2Won();
+		}
+		else if(player2button3Pressed && player2button5Pressed && player2button7Pressed) {
+			player2Won();
+		}
+	}
 }
\ No newline at end of file