Seoul qualified for the playoffs for the first time in 2019, and in 2020, the team reached the Grand Finals, where they lost to the San Francisco Shock.

[5] In late October, they revealed 3 additional players to their Seoul-based roster, Kim "Fleta" Byung-sun, Byeon "Munchkin" Sang-beom, and Koo "xepheR" Jae-mo.

[9] The final two members for the inaugural season, Chae "Bunny" Jun-hyeok and Kim "KuKi" Dae-kuk, were revealed by Blizzard in November.

[11] In the league's preseason the team further cemented their status as early favorites to win the inaugural season, after convincingly scoring victories over the Dragons, Outlaws, and Excelsior.

However, after key losses to the New York Excelsior, London Spitfire, and Los Angeles Valiant they fell out of playoff contention and finished the stage in fifth place, sparking discussions about a disappointing start to the season for a team favored to win it.

[25] Their playoff run opened with a 2–4 loss to the Vancouver Titans on September 5, sending the Dynasty to the lower bracket of the tournament.

[24] The team made major roster changes, such as the departures of Kim "Fleta" Byung-sun and Ryu "Ryujehong" Je-hong and acquisitions of Park "Profit" Joon-yeong and Hong "Gesture" Jae-hui.

[30] The team found middling results throughout the rest of the regular season, finishing with a 12–12 record, which included bonus wins from knockout matches.

[39] The team picked up two veterans in former New York Excelsior players Jeong "ANAMO" Tae-seong and Park "Saebyeolbe" Jong-ryeol.

[49] The Dynasty won the Eastern region Kickoff Clash, the first tournament of the season, after they defeated the Philadelphia Fusion in the finals by a score of 4–0.

The name was selected for its universal appeal, its representation of the team's aspirations of continual long-term success, and to pay homage to the Lunatic-Hai core of its inaugural season roster who had won back-to-back championships in OGN's Overwatch APEX.

[51] The tiger was selected due to its symbolism in Korean culture where it represents "strength, courage, and good fortune".

All-Star Game selections Seoul Dynasty's official Overwatch Contenders academy team plays under the name of their parent company, Gen.G esports.