100 Thieves began the 2020 season with the announcement that PapaSmithy would be joining the team as the new general manager. Zikz was the next addition to the roster, replacing Prolly as head coach, and both Meteos and Cody Sun rejoined the team for the second time, alongside new additions Stunt and Ry0ma. Ryu, Amazing, Bang and Aphromoo all left the team, with FakeGod rejoining Academy and Ssumday rejoining the main roster. In spring, the team finished third in the regular season with a 10–8 record, and qualified for post–season for the first time since 2018. However once in the playoffs, they were swept 0–3 by Cloud9, and then lost 2–3 to Team SoloMid in the losers' bracket. After an 1–5 start in the summer split, the team parted ways with players Meteos and Stunt, and called up academy players Contractz and Poome to replace them. The team finished in seventh at the end of the summer split with a 7–11 record, and were seeded into the loser's bracket of the playoffs, where they would be swept 0–3 by Evil Geniuses to finish their 2020 season.