Madrid Open: Alexander Bublik vs Stefanos Tsitsipas
This Polymarket covers the Madrid Open tennis match between Alexander Bublik and Stefanos Tsitsipas, scheduled for April 24, 2026. The market resolves to the player who advances, with cancellation, ties, or delays beyond 7 days triggering special resolution rules. PolySpotter is tracking smart money activity here, including both underdog buying and multiple Tsitsipas wallet clusters.
This market refers to the tennis match between Alexander Bublik and Stefanos Tsitsipas in the Madrid Open, originally scheduled for April 24, 2026 at 4:00AM ET. This market will resolve to 'Alexander Bublik' if Alexander Bublik advances against Stefanos Tsitsipas. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Alexander Bublik. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
12 smart money signals detected, totaling $77,487.
Categories: Tennis, Games, Sports
Notable Trades
Sharp cluster on underdog
A 4-wallet cluster piled nearly $20k into the Bublik side, led by a bettor with a 91% win rate and $536k profit, making this coordinated underdog bet worth tracking despite the market moving against them afterward.
- A bettor who wins 91% of their bets and is up $536k led this move with two buys totaling $12.0k at 16¢
- Four wallets put $19.8k on Bublik within minutes, including sells of Tsitsipas that also point to the same side
- They bought the underdog at 16-12¢ implied odds during a 25.6x volume spike, showing strong conviction against the crowd
$19,752 on Alexander Bublik
93% win-rate sports sharp
A highly profitable sports trader with a 93% win rate bought the underdog at 20¢ in a liquid match market, making this a strong sharp-bettor signal worth following despite the small size.
- This bettor wins 93% of resolved trades and is up about $460k across 177 bets
- They have made profitable bets across 84 different events, which suggests a repeatable edge rather than a one-off hit
- They bought Alexander Bublik at 20¢ before the market dropped to 16¢, backing a live underdog at a price they likely saw as too cheap
$1,640 on Alexander Bublik | Wallet win rate: 93%
Hot new wallet fades upset
A new but already profitable wallet with an 88% win rate sold Bublik before a sharp move lower, adding a credible signal on a liquid tennis market.
- This 22-day-old wallet has already been flagged 25 times, wins 88% of resolved bets, and is up $1.8k.
- They sold Bublik at 27¢ and the price has since fallen to 14¢, showing strong timing.
- The market saw a 38x volume spike, which suggests broader money was piling into the same move.
$1,189 on Stefanos Tsitsipas | Wallet win rate: 88%
New wallet caught 20-point move
A 9-day-old repeat bettor bought Tsitsipas before a sharp move from 66¢ to 86¢ during a major pre-match volume spike, suggesting timely conviction despite limited track record.
- A 9-day-old wallet has already made 3 sizable bets, with $3.5k total flagged activity
- They bought Tsitsipas at 66¢ and the market is now 86¢, a fast 20-point move in their favor
- This match saw a 38x volume spike, suggesting traders rushed in before the price repriced
$1,244 on Stefanos Tsitsipas | Wallet win rate: 67%
Serial sports bettor early
A high-volume serial sports trader with a 71% hit rate bought Stefanos before a sharp move from 76¢ to 86¢ during a major pre-match volume spike.
- This wallet has bet 37 markets across 36 events and wins 71% of the time over 1,019 resolved bets
- They bought Stefanos at 76¢ before the market moved to 86¢, a fast 10-point gain
- Match trading spiked 38x above normal volume, suggesting strong pre-event positioning
$1,257 on Stefanos Tsitsipas | Wallet win rate: 71%
6-wallet Tsitsipas cluster
Six wallets piled into Tsitsipas in a short burst, including two linked wallets and a repeat new-wallet bettor, while the price moved sharply from 58-67¢ to 74¢ on heavy pre-match volume.
- Six wallets all bet Tsitsipas within minutes, totaling $10.8k, and two of them share a funder.
- The main buys hit at 58-67¢ and the market is now 74¢, so this flow moved before the repricing.
- One wallet is only 5 days old but has already triggered 27 large-bet alerts with $38.5k flagged, suggesting aggressive conviction.
$10,819 on Stefanos Tsitsipas
Linked wallets piling into Tsitsipas
A very new wallet is repeatedly betting size and this trade aligns with a 3-wallet linked cluster driving a sharp move toward Tsitsipas during a major pre-match volume spike.
- Three wallets all lined up on Tsitsipas for $10.6k total, and two share the same funder.
- This wallet is only 5 days old but has already triggered 27 large-bet alerts with $38.5k flagged.
- The market saw a 22.7x volume spike and Bublik's price dropped 26 points, showing strong one-way flow.
$2,198 on Stefanos Tsitsipas | Wallet win rate: 0%
Contrarian 3-wallet Tsitsipas cluster
Three wallets coordinated a $7.1k buy into Tsitsipas at 35-37¢ during a major pre-match volume spike, and one wallet is brand new, making this a notable contrarian cluster despite mixed overall market flow.
- Three wallets bought Tsitsipas together for $7.1k at 35-37¢ while the market prices him at just 36%.
- The market saw a 34x volume spike and a fast 12-point move in about 3 minutes, showing active repricing around this match.
- One of the wallets is less than 1 hour old and still put nearly $3.9k to work, a sign of fresh conviction.
$7,146 on Stefanos Tsitsipas
5-wallet underdog cluster
A coordinated 5-wallet cluster piled into the underdog at 15-18¢, led by at least one bettor with a 91% win rate and strong cross-market history, making this a notable contrarian sports position despite mixed wallet quality.
- Five wallets all backed Bublik at 15-18¢ for nearly $9.5k total, including sell orders on Tsitsipas that mean the same bullish view on Bublik.
- One bettor in the cluster wins 91% of their bets and is up about $536k, with activity across 33 events and $1.38M traded.
- They bought after Bublik had already dropped 45 points in a day, so this looks like a coordinated attempt to catch an underdog at distressed odds.
$9,469 on Alexander Bublik
New wallet backs Tsitsipas
A brand-new wallet placed a single $19.6k bet on Tsitsipas at 37¢, a sizable contrarian position for a first trade that is worth watching despite limited wallet history.
- A wallet just 26 minutes old opened with a $19.6k bet on Tsitsipas
- They bought at 37¢ while Tsitsipas is now 36¢, showing a clear first-shot view against the market favorite
- This one trade was 51% of the market's 24-hour volume, so the bettor sized in with real conviction
$19,591 on Stefanos Tsitsipas
Top Holders
- 0xe30e...6b87 — Alexander Bublik, $137,711 (91% win rate)
- 0x5268...135d — Stefanos Tsitsipas, $73,805 (4% win rate)
- 0x8c80...02c3 — Alexander Bublik, $56,141 (77% win rate)
- 0x1b20...3538 — Stefanos Tsitsipas, $52,948
- 0x204f...5e14 — Stefanos Tsitsipas, $35,997 (55% win rate)
- 0xfe78...0319 — Stefanos Tsitsipas, $33,347 (73% win rate)
- 0x2a2c...9bc1 — Stefanos Tsitsipas, $32,540 (51% win rate)
- 0x4b9f...e125 — Alexander Bublik, $27,661 (52% win rate)
- 0x0997...c9f6 — Stefanos Tsitsipas, $23,637
- 0xee00...cea1 — Stefanos Tsitsipas, $22,855 (62% win rate)
