The Mexican rider rode his Olympic mount H5 Porthos Maestro WH Z to take the $215,000 class to edge American and Irish competitors.
show jumping
The Egyptian rider piloted Evergate Stables' mare who is "such a trier" as the WEF winter tournaments head into the home stretch.
Erynn Ballard and Tiffany Foster secured the two qualification spots allocated to Canada, but neither will compete.
The Irish rider's fairly new partnership with the big-strided and sometimes "misunderstood" mare is steadily improving in the five-star ranks.
Ireland's Simon McCarthy and Gotcha grab first place – and their first international grand prix win – under the lights at WEC-Ocala.
Emilie Conter (BEL) wins the Week 9 CSI5* feature, edging Harry Charles (GBR) and Sherlock and Henrik von Eckermann (SWE) with King Edward.
Ten teams will battle it out at the World Equestrian Center; Ireland will seek to repeat last year's win, following victory in the Abu Dhabi opener.
The American on a hot streak trounced the competition in the CSI4* at WEC-Ocala aboard the fleet-footed mare Toulayna.
The Belgian rider won this €575,000 event for the second year in a row; this championship series now moves to Mexico City.
Set to be the largest in the region, the season kicks off on January 1, 2026 and carries total prize money of 10 million euros.