A. Zverev shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 30. Point margins have been modest — DS averaging +6.2. Wins have been functional rather than dominant. Serve quality has been average (6.6/10) — neither a weapon nor a significant liability. Break point efficiency is a red flag — A. Zverev has been losing the important points, with a BP efficiency of -32 over recent matches.