[1] During this season on the Challenge Tour, Lagergren continued to play in the Nordic League winning the 2011 ECCO Spanish Open.

[2][6] Lagergren lost a three-way playoff at the 2017 Commercial Bank Qatar Masters.

He clinched his maiden European Tour title at the 2018 Rocco Forte Sicilian Open.

[9] He finished the 2022 European Tour season 45th on the Order of Merit Race to Dubai rankings.

In 2022, Lagergren received Elit Sign number 150 by the Swedish Golf Federation based on world ranking achievements.