Fręch has won three singles titles on the ITF Women's Circuit. On 2 July 2018, she reached her best singles ranking of world No. 115. On 19 June 2017, she peaked at No. 209 in the doubles rankings.
Fręch had her Grand Slam main-draw debut at the 2018 Australian Open, coming through the qualifying competition. In first round, Magda lost to Carla Suarez Navarro in straight sets.
Playing for Poland at the Fed Cup, Fręch has a win–loss record of 3–3.[1]
Fręch started her 2018 season in Auckland where she lost in qualifying (in the first round) to Sachia Vickery in straight sets. She then took part at the first Grand Slam qualifying in her career - at the Australian Open. She beat Miyu Kato (6–4, 6–3), Sofya Zhuk (6–3, 4–6, 6–2) and Kayla Day (6–3, 6–0), and she became one of the twelve qualifiers. In the first round she lost to eventual quarterfinalist Carla Suarez Navarro in straight sets. At the end of January, Fręch started in ITF Andrézieux-Bouthéon ($60,000) where defeated Conny Perrin (6–2, 5–7, 7–6), Chloé Paquet (6–3, 6–4) and Vitalia Diatchenko (6–3, 2–2 ret.). In the semifinal, she lost to eventual champion Georgina García Pérez in three sets.
Poland
Mai Minokoshi
Richèl Hogenkamp
Olga Sáez Larra
Irina Khromacheva
Katharina Lehnert
Ekaterine Gorgodze 
Manon Arcangioli
Vera Lapko 
An-Sophie Mestach
Chang Kai-chen 
Marina Erakovic
Sloane Stephens 0–1
Carla Suarez Navarro 0–1
Patty Schnyder 2–1
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3)
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