This one got it right
https://www.northstandchat.com/showthread.php?392437-Julio-Enciso-Paraguay%92s-new-wonder-kid-(Signed-17-06-2022)&highlight=enciso
Of course there are planes that could do it in one hop but the G650 is designed for 18 people. It seems a little excessive for a teenager and his agent.
I reckon he'll be in BA business class from Sao Paulo via a Citation or similar connection.
Private jets don't have the range for a flight from South America to Europe. Nowhere near it. He'll be on commercial.I'm pretty sure there's no direct flights from either Ecuador or Paraguay so a connection would be needed regardless.