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12.09.2026

The Most Expensive Heads-Up in History: Monarch Hits a Straight Flush to Take $10,000,000 from Antonius

In a special Heads-Up duel at the Triton SHRS Jeju II festival, Finnish businessman Ossi 'Monarch' Ketola faced off against Poker Hall of Famer Patrik Antonius. Both players staked $10,000,000, creating a colossal $20,000,000 pot. After four hours of aggression, massive bluffs, and hitting a straight flush, it was Ketola who celebrated a fairy-tale victory, while Antonius had to endure the biggest loss in live-stream history.

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This clash of Finnish titans was played with blinds at $50,000 / $100,000, turning almost every hand into a million-dollar battle. Ossi Ketola faced the online and live poker legend Patrik Antonius with zero fear.

Ketola immediately showcased one of the boldest bluffs in poker history. On a board of 9 c 4 c 2 s J s 9 s, Ketola bet a massive $3,000,000 into a $2,000,000 pot with 6 h 3 h. Antonius held the top pair with K s J c, but after a long deliberation, he folded, handing the lead to his opponent.

Antonius, however, didn't let his reputation as a cool-headed professional down. In one of the following hands, he demonstrated a fantastic hero call by calling a $500,000 bet on the river with just Queen-high, correctly identifying another Ketola bluff.

Antonius then seized the lead in a $5,200,000 pot where he rivered higher two pairs with Q s 3 d, against Ketola's flopped two pairs with T h 9 c.

Straight Flush Crushes Antonius’s Straight

The decisive moment of the match came when Ketola found Q h 9 h and Antonius held K d 9 s.

The flop brought Q s 8 h J h. Ketola checked his top pair with flush and straight draws. Antonius bet $175,000, and Ketola raised to $525,000, which Antonius called.

The turn T h was crucial for both players. Ketola completed a straight flush while Antonius had a straight. Ketola again check-raised to $1,600,000, and Antonius called with his straight.

After the river 3 c, Ketola went all-in, and Antonius took a long time to decide. Despite having a strong hand, he eventually made a disciplined fold, preserving his last $4,100,000.

The final blow came in the next hand. Antonius went all-in with a dominant hand A d K d against Ketola's K c J c.

The flop Q s 9 s 5 c held up Antonius's ace, but the turn J s delivered Ketola a winning pair. The river 7 c changed nothing, and the entire $20,000,000 pot went to the Finnish businessman.

"Today just wasn't my day," Antonius reflected tersely after losing $10 million in just over four hours of play. Ossi 'Monarch' Ketola, on the other hand, capped off a fantastic week, earning another prestigious scalp after his previous triumph over Wiktor Malinowski.


Sources: Triton Poker, X

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