Oscar marked his first appearance for Shanghai SIPG with a fine goal in their 2-1 friendly victory over Al Batin.
The Brazil international opened the scoring as a second-half substitute in the win over the Saudi Arabian outfit in Doha.
Oscar later won the free-kick from which Lu Wenjun struck the winner to cap an encouraging display for Andre Villas-Boas's side.
It was the 25-year-old's first outing since he completed a €60million transfer from Premier League leaders Chelsea.
"I only trained for two days and this is my first game," he said afterwards. "This is the start of a new season and we have only one goal, which is to win.
"My team-mates played very well today. The Chinese guys tried to help us [to integrate]. It's difficult to have a good game in such a short time - they made it happen."
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