RM 1v1 records show iwa-ku at a rating of 1839. From Japan, iwa-ku has a 52.4% win rate in the pocket role. Playing ranked random map team, iwa-ku shines with Koreans (64.7% in 34 games) and on Lombardia (58.8%).

With 4559 matches and a 51.7% RM 1v1 record, iwa-ku prefers Burgundians (19.4%).