diff --git a/src/SoccerClient.php b/src/SoccerClient.php
index 9459a34..7862d86 100644
--- a/src/SoccerClient.php
+++ b/src/SoccerClient.php
@@ -118,6 +118,17 @@ public function setMarkets(array $marketIds)
         return $this;
     }
 
+    /**
+     * @param int $groupId
+     * @return SoccerClient
+     */
+    public function setGroup(int $groupId): self
+    {
+        // Add group ID
+        $this->query['group_id'] = $groupId;
+        return $this;
+    }
+
     /**
      * @param int $page
      * @return $this