Magda Linette, whose tennis idol growing up was Monica Seles, egan playing tennis when she was six. She Made her professional debut on ITF Circuit in Poland in 2007 and won her first ITF titles in 2010 in Szczecin, Hechingen (d. Soler Espinosa) and Versmold (d. Begu), and Katowice (d. Birnerova), then she was runner-up in Zagreb (l. Voracova) after 21 consecutive wins.
In 2011 she made her Grand Slam qualifying debut at Roland Garros and Us Open. In 2012 she won the $10k ITF title in Prague without dropping a set.
She played her first two WTA main draws in 2013, reaching the second-round in Strasbourg (l. Cornet) and the semifinals in Baku in her second WTA appearance (l. Peer). In December she came back to play a $25,000 tournament in Pune, which she won as the top seed.
In 2014 she on WTA 125K Series title at Ningbo as she came back from 16 04 down in the quarterfinals to beat Zheng Saisai and defeated Wang Qiang in the final. She finished the season ranked No.109.
In 2015, she broke into the Top 100 on June 15, and posted her career-high singles ranking of No.64 on September 21. That year she won her maiden Grand Slam match at Us Open (d. U.Radwanska, l. A.Radwanska) and reached her first WTA singles final at Tokyo [Japan Open] (l. Wickmayer).
In 2016 she ended the season at No.96. That season she enjoyed the first Premier-level quarterfinal at Tokyo [PPO] (as qualifier, l. eventual champion Wozniacki) and advanced to a further quarterfinal in at Katowice (l. Parmentier). At ITF level, she won the biggest title of her career on that circuit at $100k tournament in Cagnes sur Mer.
Allertova posted her best year-end finish at No.71 in 2017, her third consecutive Top 100 season. In 2017 she claimed her third tour-level semifinal in Kuala Lumpur (l. Hibino) and made the quarterfinals in Bogotá. She also posted her best Slam showing at Roland Garros, where she reached the third round losing to Svitolina in a tight match.