Sérgio Antônio Soler de Oliveira Júnior (born 15 March 1995), commonly known as Serginho, is a Brazilian professional footballer who plays as an attacking midfielder or second-striker for Chinese Super League club Beijing Guoan.

[2] He soon earned plaudits for his performances with the under-20's, being a key midfield unit during the 2014 Copa São Paulo de Futebol Júnior winning campaign.

On 9 March 2014 Serginho made his first-team debut, coming on as a late substitute in a 4–1 home success over Oeste for the Campeonato Paulista championship.

[6] Serginho scored his first professional goal 17 November 2016, netting Vitória's second in a 2–3 away loss against former club Santos.

[9] On 23 January 2018, Serginho was loaned to fellow top tier club América Mineiro for one year.