Carrying the momentum of a win in the speed class in the morning, the Irishman also took the €100,000 feature class in the afternoon.
Found 75 Results from Longines Global Champions Tour
The team of Christian Ahlmann and Katrin Eckermann moved into pole position for Saturday's Global Champions League showdown.
Mark and Tara Rein's Rome Gladiators team of Nina Mallevaey, Zoe Conter and Shane Breen finished in third spot.
Darragh Kenny and Ben Maher topped the Round 1 field at the spectacular oceanside venue for team owner Jennifer Gates.
Erynn Ballard will be the sole Canadian competing against a roster of the world's top jumping competitors April 14-16.
A brand new location is announced and favourite venues such as Miami Beach, Mexico City, Cannes and New York return.
The Swedish rider won his first Global Champions Tour title ahead of fellow countryman Henrik von Eckermann and Olivier Robert (FRA).
The team finished ahead of the Shanghai Swans to land their second GCL title as the most successful squad in the competition's five years.
Just one pole separates Valkenswaard United and the Shanghai Swans going into the final showdown on Saturday in Samorin.
The speedy Swede knocks two full seconds off his fellow countryman Peder Fredricson's time in the jump-off at the LGCT Rome.