diff --git a/js/client-chat.js b/js/client-chat.js
index 9cc92edcd..a141053de 100644
--- a/js/client-chat.js
+++ b/js/client-chat.js
@@ -607,18 +607,35 @@
 			case 'rating':
 			case 'ladder':
 				if (!target) target = app.user.get('userid');
+
+				var targets = target.split(',');
+				var formatTargeting = false;
+				var formats = {};
+				for (var i = 1, len = targets.length; i < len; i++) {
+					formats[toId(targets[i])] = 1;
+					formatTargeting = true;
+				}
+
 				var self = this;
-				$.get(app.user.getActionPHP() + '?act=ladderget&user='+encodeURIComponent(target), Tools.safeJSON(function(data) {
+				$.get(app.user.getActionPHP() + '?act=ladderget&user='+encodeURIComponent(targets[0]), Tools.safeJSON(function(data) {
 					try {
 						var buffer = '<div class="ladder"><table>';
-						buffer += '<tr><td colspan="8">User: <strong>'+target+'</strong></td></tr>';
+						buffer += '<tr><td colspan="8">User: <strong>'+targets[0]+'</strong></td></tr>';
 						if (!data.length) {
 							buffer += '<tr><td colspan="8"><em>This user has not played any ladder games yet.</em></td></tr>';
 						} else {
 							buffer += '<tr><th>Format</th><th><abbr title="Elo rating">Elo</abbr></th><th><abbr title="user\'s percentage chance of winning a random battle (aka GLIXARE)">GXE</abbr></th><th><abbr title="Glicko-1 rating: rating±deviation">Glicko-1</abbr></th><th>COIL</th><th>W</th><th>L</th><th>T</th></tr>';
-							for (var i=0; i<data.length; i++) {
+							var hiddenFormats = [];
+							var formatLength = data.length;
+							for (var i=0; i<formatLength; i++) {
 								var row = data[i];
-								buffer += '<tr><td>'+row.formatid+'</td><td><strong>'+Math.round(row.acre)+'</strong></td><td>'+Math.round(row.gxe,1)+'</td><td>';
+								if (!formatTargeting || formats[row.formatid]) {
+									buffer += '<tr>';
+								} else {
+									buffer += '<tr class="hidden">';
+									hiddenFormats.push(row.formatid);
+								}
+								buffer += '<td>'+row.formatid+'</td><td><strong>'+Math.round(row.acre)+'</strong></td><td>'+Math.round(row.gxe,1)+'</td><td>';
 								if (row.rprd > 100) {
 									buffer += '<span><em>'+Math.round(row.rpr)+'<small> &#177; '+Math.round(row.rprd)+'</small></em> <small>(provisional)</small></span>';
 								} else {
@@ -641,6 +658,13 @@
 								buffer += '</td><td>'+row.w+'</td><td>'+row.l+'</td><td>'+row.t+'</td></tr>';
 							}
 						}
+						if (hiddenFormats.length) {
+							if (hiddenFormats.length === formatLength) {
+								buffer += '<tr class="no-matches"><td colspan="8"><em>This user has not played any ladder games that match the format targeting.</em></td></tr>';
+							}
+
+							buffer += '<tr><td colspan="8"><button name="showOtherFormats">' + hiddenFormats.slice(0, 3).join(', ') + (hiddenFormats.length > 3 ? ' and ' + (hiddenFormats.length - 3) + ' other formats' : '') + ' not shown</button></td></tr>';
+						}
 						buffer += '</table></div>';
 						self.add('|raw|'+buffer);
 					} catch(e) {}
@@ -751,6 +775,20 @@
 			var name = data.name || this.challengeData.userid;
 			if (/^[a-z0-9]/i.test(name)) name = ' ' + name;
 			app.rooms[''].challenge(name, this.challengeData.format, this.challengeData.team);
+		},
+
+		showOtherFormats: function (d, target) {
+			var autoscroll = (this.$chatFrame.scrollTop() + 60 >= this.$chat.height() - this.$chatFrame.height());
+
+			var $target = $(target);
+			var $table = $target.closest('table');
+			$table.find('tr.hidden').show();
+			$table.find('tr.no-matches').remove();
+			$target.closest('tr').remove();
+
+			if (autoscroll) {
+				this.$chatFrame.scrollTop(this.$chat.height());
+			}
 		}
 	});
 
diff --git a/style/client.css b/style/client.css
index 8f31dfa31..5743d4c81 100644
--- a/style/client.css
+++ b/style/client.css
@@ -828,6 +828,10 @@ p.or:after {
 	color: gray;
 }
 
+.hidden {
+	display: none;
+}
+
 .roomlist {
 	text-align: left;
 }