Masashi Oya

Masashi Oya, a Japanese poker professional based in Japan, first appeared on the live tournament scene with notable results in 2022. His early deep runs came at the World Series of Poker (WSOP) in Las Vegas, where he finished 8th in the $100,000 High Roller event for $210,485. He quickly established himself as a regular in high-stakes events, also cashing in the US Poker Open and PokerGO Cup series.

Oya's most significant WSOP result came in December 2023 at the inaugural WSOP Paradise series in the Bahamas. He won the $100,000 Ultra High Roller No-Limit Hold'em event, earning $2,940,000 and his first WSOP bracelet. This victory alone accounts for nearly a third of his career earnings. He has made multiple WSOP final tables, including a 6th-place finish in the 2024 $25,000 High Roller (6-handed) for $229,002, and an 8th-place in the 2022 $100,000 High Roller. Overall, Oya has 25 WSOP cashes totaling over $3.93 million, with five final tables.

Beyond the WSOP, Oya has excelled in high-roller circuits worldwide. On the PokerGO Tour (PGT), he posted a major victory in the Super High Roller Series Event #4 in August 2024, taking first place and $535,000. He also finished second in the US Poker Open Event #12 ($50,000 NLH) for $504,000, and second in a Venetian High Roller Event for $150,000. At Triton Poker series, Oya placed 4th in a $30,000+$1,800 event in Jeju for $447,000, and 16th in a $50,000 7-handed event for $138,000. In 2023, he cashed in the WSOP Paradise Super High Roller ($55,000 buy-in) for $93,200. His consistent performance in events with buy-ins from $10,000 to $100,000 demonstrates his adaptability across formats.

As of late 2025, Masashi Oya's live tournament earnings stand at $9,452,952 placing him 170th on the all-time money list. He is the leading money earner from Japan, topping the Japan all-time money list. His Global Poker Index (GPI) ranking is 126th. He has over 35 recorded live cashes, with his best single result being the $2,940,000 WSOP bracelet win. Additionally, he has accumulated online cashes through WSOP Online events, including a $5,957 cash in the $1,500 Millionaire Maker.

Oya is widely regarded as a hardworking and disciplined player. He is known for a solid, fundamentals-based style, excelling in preflop decisions and postflop value betting. His approach relies on precise probability calculations and extensive hand review. In the poker community, he is sometimes referred to as the "Japanese poker machine" due to his consistent results and low-profile grinding demeanor. He emphasizes physical fitness to maintain concentration during long tournaments.

Masashi Oya has made several deep runs in Triton Poker events, demonstrating his skill in high-stakes short-handed formats. In September 2025, he finished 4th in a $30,000 No-Limit Hold'em 8-Handed event in Jeju, earning $447,000. He also placed 16th in a $50,000 7-Handed event for $138,000 in March 2025. Earlier, in March 2025, he took 34th in a $20,000 Mystery Bounty event for $35,000. These results highlight Oya's ability to compete against the world's best in the Triton circuit, known for its elite fields and large prize pools.

Oya has been a consistent performer on the PokerGO Tour (PGT), recording multiple final table appearances and runner-up finishes. In the 2022 U.S. Poker Open, he finished 2nd in Event #12 ($50,000 NLH) for $504,000. At the Venetian High Roller series in January 2022, he placed 2nd for $150,000 and 3rd for $111,600. At the Super High Roller Series in August 2024, he won Event #4 ($51,500 NLH 7-Max) for $535,000. He also cashed in several ARIA High Roller events, including a 5th-place finish in July 2025 for $78,750 and a 7th-place in July 2025 for $34,800. His PGT results show versatility across buy-in levels from $10,000 to $51,500.

In addition to live tournaments, Oya has accumulated significant online cashes through WSOP Online events. In September 2024, he cashed for $5,957 in the $1,500 Millionaire Maker event. He also recorded a $2,806 cash in the GGMillion$ Week $525 Bounty Hunters HR Main Event on GGPoker in October 2024. Other online cashes include finishes in the 2024 WSOP Online Circuit events, such as a $2,854 bounty in a $320 Bounty NLH and a $1,245 in a $525 Main Event. Oya's online results supplement his live earnings and demonstrate his proficiency across different formats.