The year he turned 13, in his first year at Maebong Middle School in Daejeon, he took up fencing following his older brother. In December 2014, in his third year at Songchon High School, he placed third at the national team trials and became the youngest sabre fencer to join the national team.
The year he turned 19, he made his international debut at the Padua World Cup in Italy and placed third. That autumn he also won the men’s senior sabre at the National Sports Festival. In 2016, he won the Gyor World Cup in Hungary, his first international gold.
In 2017, he won Korea’s first World Championships men’s sabre team title in Leipzig. In 2018, he won a second straight World Championships team title, then took silver in the individual event and gold in the team event at the Asian Games.
The year he turned 23, he won the individual title at the World Championships in Budapest and became world No. 1, and three days later won a third straight team title. In 2020, he received the Coca-Cola Sports Awards Most Valuable Player award. In 2021, he lost in the Tokyo Olympic individual quarterfinals and won his first Olympic gold in the team event four days later.
In 2022, he joined his hometown team, Daejeon City Hall, and won a fourth straight World Championships team title in Cairo. In 2023, he won both the individual and team events at the Hangzhou Asian Games.
The breakthrough yearThe year he turned 28, he won the Olympic individual sabre title in Paris, giving the Korean team its first gold medal of the Games, and four days later won the team event to become the first fencer from Korea to win two golds at a single Games. He also joined the regular cast of a variety show that December.
In 2025, he sat out a season with the national team, came back in the autumn, won two titles at the National Sports Festival and took bronze at a World Cup event. In 2026, he won two golds at the Asian Championships and was named a men’s representative of the Aichi-Nagoya Asian Games team at its send-off ceremony.
Oh Sang-uk (born Sep 30, 1996) made his international debut at the Padua World Cup in Italy on Feb 2, 2015, the year he turned 19, and became known when he won the Olympic individual sabre title in Paris on Jul 28, 2024, the year he turned 28. Four days later he also won the team event, becoming the first Korean fencer to win two golds at a single Games.
Ages are by calendar year (the year minus the birth year), birthdays aside.