It was a gold medal before gold bands for Ben Maher, who is set to get married soon, outrunning the field on the phenomenal Explosion W.
The top 30 tackled Santiago Valera’s large and demanding course with Deslauriers picking up 13 penalties during his trip.
There was nail-biting tension, close calls and more than a few surprises as the jumpers took centre stage in Baji Koen.
Deslauriers and the Holsteiner mare sailed around Santiago Valera's colourful Olympic course clear in the 5th-best time of the day.
Just two of the 75 horses presented were sent to the holding box to be reinspected tomorrow - Cannavaro 9 (ARG) and Caesar (CHN).
The Jumping Individual Qualifier will take place on August 3, with the top 30 combinations moving on to the Individual Final.
The FEI Jumping European Championships Young Riders, Juniors, Children 2021 has wrapped up in Vilamoura, Portugal.
Saturday's feature Grand Prix at TIEC attracted a large international field, was interrupted by a storm and wrapped up Sunday morning.
Hyde Moffatt continued his winning streak - this time aboard Donjo - by scoring victory in the Grand Prix at Wesley Clover Parks.
Jumping looks set to be a testing thriller for many reasons, including how the three-rider no-drop-score format will play out.