Miami Open: Alexander Zverev vs Jannik Sinner is a closed prediction market event on Polymarket with 10 markets, $1.2M total volume, and N/A in liquidity. Key markets: Miami Open: Alexander Zverev vs Jannik Sinner; Zverev vs. Sinner: Set 1 Games O/U 8.5; Set 1 Winner: Zverev vs Sinner.