WWE history: Identify the opponent The Rock defeated to win his first WWF/WWE Championship. Context: Survivor Series 1998 (Deadly Game) tournament final; The Rock captured his first world title that night. Choose the correct opponent's ring name.

Given data

• Event: Survivor Series 1998, the "Deadly Game" tournament.
• Task: Name the opponent The Rock beat to win his first WWF/WWE Championship.

Concept/Approach
Recall the tournament final booking and on-screen storyline turn.

Answer reasoning
The Rock defeated Mankind in the final, with a controversial finish and the McMahon family angle, to claim his first world title.

Eliminations
Steve Austin, Triple H, Undertaker, and Kane were key figures then but were not the losing finalist that night.

Final Answer
Mankind