DPS player Guard has announced his retirement. He will fulfill his mandatory military service.

Guard joined the Overwatch League for the 2019 season as a member of the London Spitfire London Spitfire OWL Rank #12 Landon flex support SparkR William Andersson dps Backbone Jamie O'Neill dps Hadi Daniel Bleinagel tank Admiral Oliver Vahar support . He played in nine regular season matches and two playoff matches for the Spitfire. He was released from the Spitfire in October.

Prior to that, he was a member of Element Mystic Element Mystic Inactive Roxy Park Si Heon off tank Just Shin Hyun-sung (신현성) dps MN3 Yoon Jae-hee dps Kellan Kim Min-jae tank Attack Kim Jun-hwa tank Jayhun Han Ji-hun support as they rose up through the final season of APEX Challengers. He became a vital part of the team as they established themselves as one of Korea's top post-APEX teams.

He had his last Twitch stream on Monday.