diff --git a/components/web_client_tcp.gd b/components/web_client_tcp.gd
index fb95c83..cb052e4 100644
--- a/components/web_client_tcp.gd
+++ b/components/web_client_tcp.gd
@@ -41,6 +41,9 @@ signal cards_received(cards: Dictionary)
 
 signal received_bet_request(disallowed_bet: int)
 
+signal received_play_winner_request()
+signal request_next_round()
+
 enum ConnectionStatus {
 	DISCONNECTED,
 	ATTEMPTING_CONNECTION,
@@ -142,6 +145,10 @@ func _handle_response(response: String) -> void:
 			print(data)
 		"play_card":
 			print(data)
+		"determine_play_winner_request": # single card go-around
+			received_play_winner_request.emit.call_deferred()
+		"client_won_play":
+			print(data)
 
 func _handle_join(data) -> void:
 	match data["status"]:
@@ -219,5 +226,13 @@ func submit_bet(bet: int, current_round: int) -> void:
 		"bet": bet,
 	}))
 
+func submit_round_winner(winning_client_id: String) -> void:
+	_send_message(JSON.stringify({
+		"response": "submit_play_winner",
+		"lobby_id": _lobby_id,
+		"client_id": winning_client_id,
+	}))
+	request_next_round.emit.call_deferred()
+
 func _send_message(message: String) -> void:
 	_socket.send_text(message)
diff --git a/game.tscn b/game.tscn
index 7c59dbf..b772db2 100644
--- a/game.tscn
+++ b/game.tscn
@@ -255,6 +255,7 @@ transform = Transform3D(-0.5, 0, 0.866025, 0, 1, 0, -0.866025, 0, -0.5, 3.2, 0.4
 [connection signal="received_chat_message" from="WebClientTCP" to="HBoxContainer/ClientInterface" method="_on_web_client_tcp_received_chat_message"]
 [connection signal="received_client_id" from="WebClientTCP" to="EnvironmentManager" method="_on_web_client_tcp_received_client_id"]
 [connection signal="received_connection_message" from="WebClientTCP" to="HBoxContainer/ClientInterface" method="_on_web_client_tcp_received_connection_message"]
+[connection signal="request_next_round" from="WebClientTCP" to="HBoxContainer/GameUI" method="_on_web_client_tcp_request_next_round"]
 [connection signal="pressed" from="HBoxContainer/ClientInterface/MarginContainer/VBoxContainer/ServerInputs/ConnectButton" to="HBoxContainer/ClientInterface" method="_on_connect_button_pressed"]
 [connection signal="pressed" from="HBoxContainer/ClientInterface/MarginContainer/VBoxContainer/ServerInputs/CreateLobbyButton" to="HBoxContainer/ClientInterface" method="_on_create_lobby_button_pressed"]
 [connection signal="pressed" from="HBoxContainer/ClientInterface/MarginContainer/VBoxContainer/ServerInputs/CreateLobbyButton" to="HBoxContainer/GameUI" method="_on_create_lobby_button_pressed"]
diff --git a/game_client.gd b/game_client.gd
index f3f8916..536d99f 100644
--- a/game_client.gd
+++ b/game_client.gd
@@ -64,3 +64,6 @@ func _on_submit_bet_button_pressed() -> void:
 func _on_web_client_tcp_received_bet_request(disallowed_bet: int) -> void:
 	bet_input.text = ""
 	bet_container.show()
+
+func _on_web_client_tcp_request_next_round() -> void:
+	_start_next_round()
diff --git a/server_tcp.py b/server_tcp.py
index 6e24033..7380c0a 100644
--- a/server_tcp.py
+++ b/server_tcp.py
@@ -211,7 +211,7 @@ class LobbyManager:
                 "response": "client_submitted_bet",
                 "client_id": client_id,
                 "bet": bet,
-            })
+            }),
         )
     
     async def spread_played_card(self, lobby_id, client_id, played_card) -> None:
@@ -221,7 +221,16 @@ class LobbyManager:
                 "response": "client_played_card",
                 "client_id": client_id,
                 "card": played_card,
-            })
+            }),
+        )
+    
+    async def spread_play_winner(self, lobby_id, client_id) -> None:
+        await self.broadcast_message(
+            lobby_id,
+            json.dumps({
+                "response": "client_won_play",
+                "client_id": client_id,
+            }),
         )
     
     def get_next_client(self, lobby_id, client_id) -> str:
@@ -489,10 +498,20 @@ async def process_input(message: str, websocket) -> None:
             client_id,
             data_object["played_card"],
         )
-        
-        client_index = lobby_manager.get_lobby(lobby_id).client_playing_order.index(client_id)
-        if not client_index == (len(lobby_manager.get_lobby(lobby_id).client_playing_order) - 1):
-            playing_client_id = lobby_manager.get_lobby(lobby_id).client_playing_order[client_index + 1]
+        playing_order = lobby_manager.get_lobby(lobby_id).client_playing_order
+        client_index = playing_order.index(client_id)
+        if client_index == (len(playing_order) - 1):
+            # end round
+            await lobby_manager.send_message(
+                lobby_id,
+                lobby_manager.get_lobby_host_client_id(lobby_id),
+                json.dumps({
+                    "response": "determine_round_winner_request",
+                })
+            )
+        else:
+            # not all clients have played a card yet; continue
+            playing_client_id = playing_order[client_index + 1]
 
             await lobby_manager.send_message(
                 lobby_id,
@@ -501,6 +520,12 @@ async def process_input(message: str, websocket) -> None:
                     "response": "request_card",
                 }),
             )
+    
+    elif data_object["response"] == "submit_play_winner":
+        await lobby_manager.spread_play_winner(
+            data_object["lobby_id"],
+            data_object["client_id"],
+        )
 
 if __name__ == '__main__':
     run_local = False