Yoon's first major live cash came in the 2011 World Series of PokerMain Event, finishing 58th among 6,865 players for $130,997.[2] Yoon won his first WSOP bracelet in the 2013 $1,111 No Limit Hold'em - Little One Drop for $663,727.[3] In the next WSOP, Yoon won his second bracelet in the $5,000 No Limit Hold'em - Eight Handed Event for $633,341.[4] In the 2017 WSOP, Yoon earned his third bracelet and largest live cash to date in the $1,500 No Limit Hold'em - Monster Stack Event. He bested 6,716 entries for $1,094,349.[5] In the 2021 WSOP, he won the $10,000 Limit 2-7 Lowball Triple Draw Championship for $240,341 and his fourth bracelet.[6] In the 2023 WSOP, he won his fifth bracelet in the $10,000 Seven Card Stud Championship Event for $311,433.[7]
As of 2024, Yoon's total live poker tournament winnings exceed $6,500,000.[8]