[1][2][3] Ascárate started his career in his homeland playing for both Club Natación y Gimnasia in his hometown of San Miguel de Tucumán and later the Buenos Aires Cricket & Rugby Club.
He also represented the Pampas XV in the South African Vodacom Cup between 2010 and 2012[4] before moving abroad to join French side US Carcassonne for the 2012–13 season.
He made 18 appearances in France before moving north in July 2013 to join Glasgow Warriors.
[1][2][3] He was released by Glasgow Warriors in February 2014 after being ruled out from 'contact rugby' for 6 months.
[5] He made his senior debut for Los Pumas against Chile in May 2007 and to date he has amassed 8 caps and scored 2 tries.