[1] The Sun started the season strongly and went on a five-game winning streak before losing their first game.
The first game back from the Olympic break was the inaugural WNBA Commissioner's Cup, where the Sun faced off against the Seattle Storm in Phoenix.
The Sun won their remaining seven games in August to finish the month with a 7–0 regular season record.
Their dominance continued into September where the Sun went 5–0, to finish the season on a thirteen-game winning streak.
Their final regular season record was 26–6, which earned them the top seed in the 2021 WNBA Playoffs.