Black Forest is Sierra Oscar's best map with a 54.8% win rate in 104 games. RM Team records show Sierra Oscar at a rating of 944. Having played 522 matches, Sierra Oscar gravitates toward ranked random map team.

Teutons is the go-to civ for Sierra Oscar, who also has their best results as pocket (46.6%). From Ireland, Sierra Oscar carries a 41.6% RM Team record and wins most with Teutons (45.1%).