Facundo has won the most important tournaments of the World Polo Tour, the Spanish Grand Slam, Gold Cup, Sotogrande 2018 (American Team 'La Indiana') and 2017 with the Spanish team
Ayala, Torneo Internacional de Polo Sotogrande. He started playing in the
Campeonato Argentino Abierto de Polo in 2003 and made it into the finals twice with Ellerstina; first in 2005 and again in 2007, though both ended in overtime losses. After losing these in extra-time only, and winning the Tortugas Open 2008. The new team of Ellerstina to 2014 is conformed by: Facundo Pieres 10, Gonzalo Pieres (h) 10,
Mariano Aguerre 9 and Nicolas Pieres 9 He was promoted to handicap 10 at age 18. In June, 2019, Pieres broke royal protocol as he was presented the winner’s trophy at the Cartier Polo Cup in Windsor Great Park, Berkshire. Pieres placed a hand on the top of the Queen’s back and again on her shoulder as Her Majesty presented him with the 'most valuable player' award. Pieres won back to back titles of the Argentino Abierto de Polo in 2023 and 2024 with La Natividad team. ==References==