She came close to winning her first international title at the 2018 Irish Girls U18 Open Stroke Play Championship at Roganstown Golf & Country Club, where she was runner-up one shot behind her compatriot Kajsa Arwefjäll.

She was named a First Team WGCA All-American, and received the Edith Cummings Munson Award.

[8] In 2020, Rydqvist played on the Swedish Golf Tour where she shared the Order of Merit title with Line Toft Hansen, after winning the Johannesberg Ladies Open and finishing runner-up at the Allerum Open a stroke behind Sara Kjellker.

In 2022, Rydqvist was runner-up at The Womens Amateur Championship, beaten 4 and 3 by Jess Baker in the final, and played on the winning Swedish team in the Espirito Santo Trophy at Le Golf National in France together with Ingrid Lindblad and Meja Örtengren.

[11] Rydqvist won the 2024 European Ladies Amateur three strokes ahead of Andrea Revuelta of Spain, earning a spot at the 2024 Women's British Open at the Old Course at St Andrews, Scotland.