ACR Poker OSS Main Events Bring $4M GTD Sunday Spotlight

The ACR Poker Online Super Series reaches a key point on May 17, with three Main Events opening Day 1A flights and combining for $4 million GTD as the $20M+ series heads toward its final stretch.

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ACR Poker’s flagship Online Super Series is already underway, but one of the biggest moments of the schedule arrives this Sunday, May 17, when three major Main Events kick off with their Day 1A flights.

Main Events Take Center Stage

The series runs through May 25 and features more than $20 million guaranteed across 171 events, with buy-ins ranging from $5.50 to $2,650. With no tournaments scheduled on Fridays or Saturdays, the action builds toward a packed Sunday slate, giving players a strong chance to target some of the largest guarantees of the entire OSS.

This Sunday’s schedule is built around three major OSS Main Events. The lineup includes a $1.5 million guaranteed event with a $2,650 buy-in, another $1.5 million guaranteed event at $1,050, and a $1 million guaranteed Main Event for $215. All three begin at 11:05 a.m. ET and stand among the biggest prize pools of the entire series.

Each Main Event features two starting flights. Day 1B takes place on Sunday, May 24, before all surviving players return for Day 2 on Monday, May 25, when the events move toward their final stages.

Strong turnout is expected across the board, with the $215 Main Event likely to attract particular attention. It gives mid- and lower-stakes players a realistic shot at a seven-figure guaranteed prize pool without needing a high-roller bankroll.

OSS leaderboard Races

The three Main Events will also feed into the wider OSS leaderboard races, which are already starting to take shape after the first wave of tournaments. In total, $30,500 in leaderboard prizes will be awarded across the High and Low divisions, with the full prize pool funded by ACR Poker.

The Low Leaderboard, covering events with buy-ins under $33, is currently led by UNLUKYDUCK82, followed by WSTINSON, CRAZY 8S, THEMONSTER7894, and FEEDTHEPENGUIN. In the High Leaderboard, which includes buy-ins of $33 and above, VASORTFLAM holds the top spot ahead of INAUSPICIOUS, POTOFGREED, NO TIME OUT, and CAPTAINHOOKS.

Beyond the Main Events, several major multi-flight tournaments are already running. The $630 Main Multi-Flight comes with a $1 million guarantee, with Day 1 flights continuing throughout the series before Day 2 on Monday, May 25.

Mystery Bounty action is also building momentum. The biggest of these events features a $750,000 guarantee for a $109 buy-in, with Day 2 also scheduled for May 25. Two more Mystery Bounty multi-flights are in play as well: a $150,000 GTD event for $33 and a $75,000 GTD event for $5.50, both concluding on Sunday, May 24.

Players looking for another lower buy-in route to a major OSS title can target the $66 Main Event on Sunday, May 24, which offers a strong $250,000 guarantee and starts at 11:30 a.m. ET.

With the series now fully rolling and several of its largest tournaments entering key stages, the Online Super Series is heading into a packed final stretch toward Memorial Day weekend.