The (UL) Unreal Legends clan had a record of 20 wins and 3 losses in Gears of War 1 for the Xbox 360. Although we had a different name at the time (Band of the Blade), the clan was still owned and lead by Sincreator and Zepidus and at a time before they had named their clan Unreal Legends.
Official Clan Record for GOW1
20 Wins - 3 Losses