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Alright, let’s cut to the chase. For 2025, Bet365’s tennis parlay boost stands out—up to 70% extra on winnings for parlays with 2+ legs. Just hit minimum odds of -500. FanDuel’s $200 bonus bets for a $5 wager is solid too, especially for Grand Slams, but you need a win to cash in. Both have tight wagering requirements, so read the fine print. Bet365 edges out for flexibility.
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