Home favourite Henrik von Eckermann along with King Edward finished second 0.11 sec behind while Germany’s Marcus Ehning and Stargold bagged bronze in 35.87.

With the victory, Ahlmann extended his lead in the overall standings to 188, 34 points clear of second-placed Ben Maher of Britain on 154 points and Belgian Pieter Devos in third on 139 points.

"It was unbelievable, all the people here you can tell are horse people and know the sport, they are behind every rider and it feels great - I am more than happy," said Ahlmann after the win.

"Dominator is an absolute superstar.

"This win is a very big step for the overall championship.

"We had a great season so far but it is only half-time.

"I am very pleased with my horses and my whole team who work really really hard and I really hope that everything stays sound and focused and we can make it at the end of the season."

Uliano Vezzani’s 1.60 metres course saw Britain’s Ben Maher and Explosion W finish fourth in 37.16.

Despite taking five strides in the first related distance, Max Kühner and Elektric Blue P only managed to finish fifth in 37.65.

Meanwhile, Sweden’s Jens Fredricson and Markan Cosmopolit, riding in his first GCT Grand Prix, finished sixth in 39.41.

Paris is set to stage the event of the GCT from June 24 to June 26.