Wallace was picked in the second round of the
2018 WNBA draft by the
Atlanta Dream. She later signed a two-year deal with the
Canberra Capitals. A knee injury in her second game with Canberra in late 2018 saw her not play again until 2021 in the
NBL1 South with the
Melbourne Tigers. She joined the
Southside Flyers for the
2021–22 WNBL season and won the
WNBL Sixth Woman of the Year Award. On 13 January 2023, Wallace was traded from the
Atlanta Dream to the
Indiana Fever. Wallace was a member of the
Australia Women's national basketball team (Opals) at the
2024 Summer Olympics in
Paris. The Opals won the bronze medal, winning over Belgium. Wallace announced on February 25, 2025, that she would not play during the 2025 WNBA season. Her contract was suspended with Wallace not eligible to return during the season and the Fever retaining her rights. In August 2025, Wallace helped the
Knox Raiders win the
NBL1 South championship and the
NBL1 National championship. Later that year, she was named most valuable player of the
Tauihi Basketball Aotearoa with the
Tokomanawa Queens. On April 3, 2026, the
Toronto Tempo selected Wallace in the
2026 WNBA Expansion Draft acquiring her from the
Indiana Fever. She was waived on 30 April 2026 following the first pre-season game. ==Career statistics==