He played for Europe in the Junior Ryder Cup later in September and in October he represented Denmark in the Youth Olympic Games.

In September 2021, Højgaard won his first European Tour event at the DS Automobiles Italian Open winning by one shot ahead of Tommy Fleetwood and Adrian Meronk.

[6] In September 2023, Højgaard played on the European team in the 2023 Ryder Cup at Marco Simone Golf and Country Club in Guidonia, Rome, Italy.

Playing alongside the world number one Scottie Scheffler on Saturday, he briefly took the solo lead with a birdie on the tenth hole before finished up the round with five straight bogeys.

[8] Højgaard's twin brother Rasmus is a professional golfer and was also part of the Danish team that won the 2018 Eisenhower Trophy.