Gustav Isaksen

Growing up in Hjerk, Salling, Isaksen began playing football at three years old. From Roslev IK, he moved to the Midtjylland academy at the under-12 level.

Midtjylland

Isaksen signed his first professional contract in May 2019, a five-year deal with FC Midtjylland. He made his debut on 25 August 2019 in the Danish Superliga when he came on as a substitute for Awer Mabil in the 78th minute of the 2–0 away win over SønderjyskE. He made his first ever start on 29 September in a 1–0 loss to OB in the league. At the end of the season, Midtjylland won the Superliga title, with Isaksen recording 15 appearances. On 25 November 2020, Isaksen made his first European appearance, coming on as a substitute for Anders Dreyer in the 82nd minute of a 3–1 loss to Ajax in the UEFA Champions League group stage. He scored his first professional goal on 11 February 2021 in the Danish Cup quarter-final first leg against OB. Starting as a right winger, he netted the 2–1 winner. On 20 February 2023, Isaksen scored his first hat-trick in Midtjylland's spring opener against Viborg, which ended in a 4–0 victory. He was the top scorer of the 2023–24 Danish Superliga season.

Lazio

On 8 August 2023, Isaksen was signed by Italian club Lazio. He registered his first goal for the club on 29 December 2023, scoring the second in Lazio's 3–1 Serie A victory over Frosinone, as well as providing an assist.

Isaksen played for various Danish national youth teams. On 4 September 2020, he made his Denmark under-21 debut in a 1–1 draw against Ukraine, coming on as a substitute for Rasmus Carstensen in the 81st minute. He was a part of Denmark's under-21 squad for the 2021 UEFA European Under-21 Championship. He earned his first international cap for the Denmark national team when he came on as a substitute for Anders Dreyer during Denmark's 2–0 victory over the Faroe Islands on 27 March 2024. On 15 October 2024, he scored his first international goal in a UEFA Nations League 2–2 draw against Switzerland.

Club

As of match played 12 September 2026

International

As of match played 31 March 2026

As of match played 26 March 2026 Scores and results list Denmark's goal tally first, score column indicates score after each Isaksen goal.

Midtjylland

Danish Superliga: 2019–20 Danish Cup: 2021–22 Individual

Danish Superliga Golden Boot: 2022–23 (18 goals)