It was then where Estrada's aerial ability, marking, tenacity, powerful shots, long pass accuracy and technique continued to impress prestigious Chile's coach, Marcelo Bielsa who nominated him for the Bolivia and Venezuela games.

when his curling free kick beat Bolivian goalkeeper Carlo Arias after midfielder Ignacio Garcia of Bolivia was sent off in the 71st minute.

Estrada replaced the suspended Carlos Carmona in the starting line up Chile's final Group H match at the 2010 FIFA World Cup, but was sent off for a foul on Fernando Torres in the lead up to their opponent's Spain's second goal in a 2–1 win.

[2] Following his retirement, Estrada played at amateur championships in clubs such as Juventud El Bajío from Quillota.

In addition, he opened a sports complex in his city of birth along with the former footballer Jean Beausejour in 2016.