Dallas Wings (first stint) Bertsch was selected in the third round of the
2019 WNBA draft with the 29th overall pick by the
Dallas Wings. In the following years, Bertsch was signed to training camp contracts by the Wings or the Connecticut Sun but was cut before each season.
Chicago Sky (first stint) On April 18, 2023, Bertsch signed a training camp contract with the
Chicago Sky. Bertsch made it through training camp with the Sky, and was named to the opening day roster for Chicago. She made her first career WNBA start in the Sky's season-opener against the
Minnesota Lynx on May 19, 2023. She contributed 6 points, 2 rebounds, and 4 assists, as the Sky won. Bertsch suffered an ankle injury during a May game against the
Washington Mystics, returning to play in mid-season.
Phoenix Mercury On February 6, 2024, Bertsch along with teammate
Kahleah Copper were traded to the Phoenix Mercury for
Brianna Turner,
Michaela Onyenwere, a 2024 first-round-pick, 2025 second-round-pick, 2026 first-round-pick and a 2026 pick swap. Bertsch's tenure in Phoenix lasted twelve games into the 2024 season before she was waived on June 10, 2024.
Dallas Wings (second stint) On June 19, 2024, Bertsch signed a hardship contract with the Wings. She played in three games for the Wings before being released from her hardship contract on June 25, 2024.
Chicago Sky (second stint) On Monday, March 3, 2025, the Chicago Sky announced that they had signed a training camp contract with Bertsch. On May 11, she was waived by the Sky. ==Career statistics==