[2] Before transitioning to Overwatch, Birdring dedicated significant time to pursuing a professional career in League of Legends.

He invested his efforts in solo queue, hoping to catch the attention of teams, and achieved Challenger rank on three servers: Korea, Japan, and China.

Despite receiving offers from teams in Japan and China, Birdring faced an obstacle due to his age, as he was not yet 17 years old, which prevented him from participating in LCS-affiliated matches.

[3] Joining Kongdoo Uncia for the inaugural season of OGN Overwatch APEX, Birdring's team established itself as a formidable contender.

Despite a challenging start with a defeat against BK Stars, Uncia demonstrated resilience by winning subsequent matches and advancing to the semifinals.

[3] In the APEX Season 3 Finals on July 29, 2017, Kongdoo Panthera, led by DPS duo Birdring and Rascal, faced reigning champions Lunatic-Hai.

Despite Birdring's impressive Tracer play, Lunatic-Hai's coordination and strong support players secured them the victory.

In as 3–2 win over the New York Excelsior in the finals, Birdring, playing as damage hero McCree, had the highest first kill percentage among all players in the Stage 1 Playoffs at 28%.

As a damage player, Birdring transitioned playing other roles, such as the support hero Brigitte, and at times, Baptiste.

[23] With a bye into the final round of the play-ins, the Spitfire faced the Shanghai Dragons; Birdring struggled at times during the match, but ultimately, the team won and advanced to the season playoffs.

[1] In the knockouts of the May Melee, the first of three midseason tournaments of the season, Birdring played a multitude of damage heroes, such as Sombra, Tracer, and Reaper; the Gladiators defeated the Washington Justice in the first round but fell to the Philadelphia Fusion in the quarterfinals.

[29] In the final midseason tournament of the season, the Countdown Cup, the Gladiators faced the Toronto Defiant in the first round of the knockouts.

[32] The team defeated the Toronto Defiant in the play-ins to advance to the season playoffs;[33] after the match Birdring collapsed during the live OWL broadcast.

Los Angeles Gladiators' director of operations Brenda Suh said that Birdring experienced dizziness from dehydration and orthostatic hypotension.

[34] Despite the collapse, Birdring played the following day in the first round of the double-elimination North America bracket against the Fusion; Los Angeles lost the match 0–3.