In January 2022, Borlase joined the
Adelaide Lightning of the
Women's National Basketball League (WNBL) for the rest of the
2021–22 season. She appeared in one game. With the Centre of Excellence in the
NBL1 during the
2022 season, Borlase averaged 13.57 points, 5.29 rebounds, 2.64 assists and 2.0 steals in 14 games. In September 2022, Borlase re-signed the Adelaide Lightning for the
2022–23 WNBL season. She finished the season averaging 13.5 points per game. She was subsequently named
WNBL Sixth Woman of the Year and
WNBL Breakout Player of the Year. Borlase joined the
Forestville Eagles of the
NBL1 Central for the
2023 season, but appeared in only two games. A back injury limited her during the 2023 off-season. In May 2023, Borlase re-signed the Adelaide Lightning for the
2023–24 WNBL season. On 7 January 2024, she scored a career-high 31 points in an 84–68 loss to the
Perth Lynx. She was named to the
All-WNBL First Team after averaging 15.6 points, 4.7 rebounds and 2.5 assists per game. On 15 April 2024, Borlase was selected by the
Atlanta Dream with the 20th overall pick in the
2024 WNBA draft. Choosing to remain in Adelaide for another 12 months, Borlase joined the Forestville Eagles for the
2024 NBL1 Central season. In six games for the Eagles, she averaged 15.33 points, 5.33 rebounds, 3.17 assists and 2.33 steals per game. Borlase returned to the Adelaide Lightning for the
2024–25 WNBL season. She averaged 14.6 points, 4.4 rebounds and 2.1 assists per game. Borlase joined the
Melbourne Tigers of the
NBL1 South for the
2025 season. On 5 June 2025, Borlase signed with the
Bendigo Spirit for the
2025–26 WNBL season. On 21 January 2026, she scored a career-high 42 points in a 98–88 win over the
Southside Melbourne Flyers, becoming the first player to score 42 points in a WNBL game since
Penny Taylor in 2002, and just the 11th player in league history to reach the mark. She
led the league in scoring with 22.9 points per game, the highest average in five years, alongside 6.3 rebounds and 3.5 assists per game with a 90.7 free throw percentage and a 45.6 field goal accuracy. She was subsequently named the
WNBL Most Valuable Player, becoming the youngest WNBL MVP winner since
Liz Cambage (19 years old) in 2011 Borlase also earned All-WNBL First Team for the second time in three years. In the semi-finals, the Spirit lost 2–0 to the Perth Lynx despite Borlase's 22 points, 16 rebounds and seven assists in game one, and 23 points, eight rebounds and eight assists in game two. On 12 April 2026, Borlase signed a rookie scale contract with the Atlanta Dream for the
2026 WNBA season. She is set to re-join the Spirit for the
2026–27 WNBL season. ==National team career==