Kelli Cruciotti-VanderVeen and Hadja van Orshof win $30,000 Grand Prix; Tomas Yofre and Cardora take $25,000 Welcome Stake.
Show Jumping
The French rider claimed victory aboard Vivaldi des Meneaux, while earlier in the week Canada's Eric Lamaze placed second with Chacco Kid.
Difficulty obtaining a ‘confirmation result’ means that some countries could yet drop out, opening the door for Canada.
Lamaze cites his personal health as a primary reason for his decision along with Tokyo's currently state of emergency.
Sunday's feature in San Juan Capistrano saw just two clear rounds with the Portuguese rider edging Shawn Casady and Captain Jack.
Results from hunter/jumper and dressage competitions will be tabulated once shows are up and running again.
TV station RTL is set to broadcast video of the controversial practice, but has refused to give the German equestrian federation a copy.
Europe loses its second major Nations Cup fixture as a result of uncertainty over the re-opening of Irish society.
The performance horse Letty Boo commanded $94,000 and will be heading to Illinois while another top-selling mare will be staying in Calgary.
Ben Maher wins the main event on the final day at a show which includes some Canadian representation with Lexi Ray and Julia Tops.