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Australian Open bettor scores huge payout on rare +860 upset; here’s how much they bet and won
Updated: | First published:
Written by Mac Douglass, Senior Editor
Reviewed by Nick Slade
A bold tennis bettor cashed a memorable upset during the 2026 Australian Open, winning big on a massive underdog moneyline recommended by Dimers tennis analytics in the tournament's second round.
As revealed on Discord, the user known as "@🎃🚫" placed a $25.00 total wager using the FanDuel Sportsbook app on Nikola Bartunkova to win outright at +860 odds. The successful bet resulted in a $215.00 payout.
The winning ticket hinged on second-round action in Melbourne on January 22, 2026.
The play was recommended by Dimers as the best bet of the match in its preview for Bartunkova vs. Belinda Bencic, despite Bencic entering as a massive favorite in the pre-match odds market.
The second-round matchup was played on Thursday, January 22, 2026, and Bartunkova ultimately delivered the upset in three sets, defeating Bencic 6-3, 0-6, 6-4.
At the time the wager was placed, market prices showed just how lopsided the matchup looked on paper. Bartunkova was listed at +860 on the moneyline, while Bencic was as short as -730. That gap made the result one of the more surprising outcomes of the round, and a reminder that heavy favorites don't always cash.
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As the Australian Open third round gets underway, betting markets are tightening around several headline matchups. Aryna Sabalenka (-2500) and Coco Gauff (-1400) enter as heavy favorites on the women’s side, while Carlos Alcaraz is priced at -6600 against Corentin Moutet in one of the most lopsided men’s matches of the round. Elsewhere, closer lines like Zeynep Sonmez (+120) vs. Yulia Putintseva (-150) and Iva Jovic (+110) vs. Jasmine Paolini (-138) highlight where bettors may see more competitive third-round contests as the field begins to narrow.
The women's draw saw Aryna Sabalenka as the clear pre-tournament favorite at +200, with Iga Swiatek (+480), Elena Rybakina (+750), and Coco Gauff (+850) rounding out the top contenders.
For those looking for data-driven insights, the latest Dimers tennis picks for the Australian Open can be accessed via Dimers Pro.
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To give you the most accurate and helpful information, this article has been reviewed and edited by Nick Slade through our fact-checking process.
Mac Douglass specializes in NFL previews for the NFC South and NFC East, MLB best bets, Formula 1 race previews, and professional tennis insights. Combining predictive simulations and data-driven sports analysis, Mac provides in-depth content to elevate the betting experience for sports fans.
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