1. Early life and background
Yoon Won-il was born on March 31, 1983, in South Korea. Details of his early life and upbringing beyond his birth information are not specified in the available records.
2. Club career
Yoon Won-il's professional football career began in 2002, playing for various clubs in the K League and later in the National League, demonstrating adaptability across different positions.
2.1. Early career (Suwon Samsung Bluewings and Daegu FC)
Yoon Won-il started his professional career in 2002, making his debut in the professional league with Suwon Samsung Bluewings. After his tenure with Suwon, he transferred to Daegu FC in 2004, continuing his development as a professional footballer.
2.2. Incheon United
In 2006, Yoon Won-il joined Incheon United. During his time at Incheon United, he gained recognition for his versatility. Although his original position was a defensive midfielder, he frequently played as a full-back on both the left and right sides. He remained with Incheon United until the end of the 2010 season, when he was released by the club.
2.3. Pohang Steelers
Following his departure from Incheon United, Yoon Won-il signed with Pohang Steelers. He officially transferred to the club on July 26, 2011. He played for Pohang Steelers until the end of the 2012 season, after which he was again released.
2.4. Later career (Ulsan Hyundai Mipo Dockyard Dolphin)
After being released by Pohang Steelers at the close of the 2012 season, Yoon Won-il continued his career by joining Ulsan Hyundai Mipo Dockyard Dolphin. This club competed in the National League, which was a tier below the K League at the time.
3. Playing style and position
Yoon Won-il's primary playing position throughout his career was as a midfielder, specifically a defensive midfielder. He was noted for his defensive capabilities and ability to control the midfield. A key characteristic of his playing style was his versatility, as he was frequently deployed as a full-back on both the left and right sides of the pitch, adapting to the team's tactical needs. This adaptability allowed him to contribute effectively in various defensive and midfield roles.