Sejong SA FC was founded on 7 January 2024 and began recruiting players to compete in the 2025 K4 League.
Inaugural Season They made their league debut on 22 February 2025 in an away match against
Namyangju Citizen, which they lost 2–1. They played their first home match the following week against
Daegu FC B, resulting in a 1-3 loss. They struggled to get off the mark and after the first 5 matches, their only point came from a draw against
Seoul Jungnang FC. Sejong had to wait until their tenth match for their first league victory, beating title contenders
Geoje Citizen. The club's first ever home victory came in the first round of the
Korea Cup when they defeated
K3 League side
Ulsan Citizen 3-0. They went on to defeat
K League 2 club
Jeonnam Dragons FC 3-1 in the second round. They were knocked out of the competition in round 3, losing 0-1 at home to
K League 1 side
FC Anyang.
Expand to Malaysia Sejong SA FC is expanding its club presence into Malaysia by establishing
Malaysia A1 Semi-Pro League club
Seoul Phoenix FC, competing in the Tier 2. This move strengthens regional football development, fosters talent exchange, and builds stronger connections between South Korean and Malaysian football communities while enhancing competitive opportunities and growing the sport’s influence in Southeast Asia. == Squad ==