Riding Bluetooth OLD, the German extended the pair's winning streak, edging Ashley Holzer and Valentine at the AGDF.
Former Canadian Olympian Ashley Holzer, who took up American citizenship five years ago, tops the North American League with Havanna.
The pair logged their fourth straight victory in CDI competition at this venue; the World Equestrian Center Dressage V runs through Sunday.
Holzer scored 76.480% at the World Equestrian Center Dressage IV show; Naima Moreira Laliberte (CAN) and Statesman placed 4th with 73.300%.
After drawing into the Individual Final in Tokyo after a US rider withdrew their horse, Fraser-Beaulieu breaks Ashley Holzer's 2008 record.
Betsy Steiner (USA) rounded out the very final class of the 2020 Adequan Global Dressage Festival season with a win on Swiss W.
Mango Eastwood bounced his way to victory in the FEI Grand Prix Special CDI3*, while Pia Fortmuller and Frieda continued their winning streak.
Ashley Holzer (USA) has made her debut on the international stage with Mango Eastwood this week at the 2020 Adequan® Global Dressage Festival a winning one.
Steffen Peters (USA) and the 18.2h Suppenkasper performed a jaw-dropping winning test in the FEI Grand Prix Freestyle CDI-W at AGDF.
Ashley Holzer (USA) and Havanna 145 strutted to victory in the FEI Grand Prix Freestyle at Tryon while Jill Irving (CAN) and Arthur grabbed reserve honors.