Linette made her first appearance in a WTA Tour main draw at the Internationaux de Strasbourg in May 2013, where she also scored her first match win at this level.

[2] Linette was coached by Izudin Zunić during the first half of her career, but beginning in 2018, formed a partnership with Great Britain's Mark Gellard.

[5] In July, she made it to the final of the ITF Circuit tournament at Toruń but lost to top seed Ksenia Pervak, in straight sets.

The week after, she reached another final in Zagreb but lost to Renata Voráčová in three sets, after 21 consecutive wins on the ITF Women's Circuit.

Starting the season with several early exits, Magda Linette reached her first singles final in over 18 months at the $10k event of Florence in May but lost to Anaïs Laurendon.

She won a $10k tournament in Prague, beating Kateřina Siniaková and Zuzana Luknárová without dropping a set, lifting her fifth singles trophy in career and the first since September 2010.

In October and November, Linette got some of her best wins of the season by beating Eleni Daniilidou in Limoges, Monica Puig in Nantes, and Karolína Plíšková in Équeurdreville.

Back in Europe in late March, Linette reached semifinals of the indoor hardcourt tournament in Tallinn, falling to Aliaksandra Sasnovich.

She defeated Julia Cohen, runner-up of the previous edition, then Kristýna Plíšková to reach the quarterfinals where she benefited from a controversial retirement of Ons Jabeur.

In late October, she won the Ningbo International Open, a WTA 125 event, defeating sixth seed Wang Qiang in the final; it was the biggest title of her career.

In December, she was honoured by the WTA with the Fan Favorite Shot of the Year, which she performed in round two of the Thailand Open against Peng Shuai.

In June, Linette and Aleksandra Krunić were crowned Eastbourne International doubles champions, receiving a walkover in the semifinal and the final.

[19] In her first tournament of the year, Linette represented Poland at the United Cup in Brisbane, and defeated Zhibek Kulambayeva, Jil Teichmann and Lucia Bronzetti on the way to the semifinals, before losing to Madison Keys in straight sets.

[22] She went on to defeat 30th seed Karolína Plíšková to enter the semifinals where she lost to the eventual champion Aryna Sabalenka, in straight sets.

In September, Linette played in Guangzhou as the top seed and reached her sixth final but lost heavily to Wang Xiyu, winning only two games.

In April, Linette defeated third seed Anhelina Kalinina in the semifinals at the Rouen Open,[28] before losing the final in three sets to Sloane Stephens.

[36] During the Billie Jean King Cup finals in November, Linette defeated Sara Sorribes Tormo in a match lasting almost four hours to help Poland overcome Spain to reach the quarterfinals.

[37] Linette started out as a defensive player, whose game was primarily built around her strong movement and consistent ball striking from the baseline.

The Pole has, however, began finding an increasing amount of success after altering her game style away from being a counterpuncher, to actively creating opportunities to hit winners on the court.

[38] Her strongest groundstroke is her two-handed backhand, which is hit flat and with depth, and which is responsible for many of the winners she accumulates on court.

Having spent a significant time on the doubles circuit as well, Linette has developed solid volleying skills and often looks to finish points off at the net.

She is capable of introducing drop shots and sliced backhands into points, constantly breaking up an opponent's rhythm, and to attempt to draw unforced errors out of aggressive players.