diff --git a/server/chat-plugins/chat-monitor.js b/server/chat-plugins/chat-monitor.js
index 432bd1014e..8b8399c516 100644
--- a/server/chat-plugins/chat-monitor.js
+++ b/server/chat-plugins/chat-monitor.js
@@ -286,7 +286,8 @@ let chatfilter = function (message, user, room) {
 	for (const list in Chat.monitors) {
 		const {location, condition, monitor} = Chat.monitors[list];
 		if (!monitor) continue;
-		if (location === 'BATTLES' && !(room && room.battle)) continue;
+		// Ignore challenge games, which are unrated and not part of roomtours.
+		if (location === 'BATTLES' && !(room && room.battle && (room.battle.rated || room.parent))) continue;
 		if (location === 'PUBLIC' && room && room.isPrivate === true) continue;
 
 		switch (condition) {