He is the former coach of Tommy Haas, Magnus Norman, Eugenie Bouchard, Caroline Wozniacki, Maria Sharapova, Li Na, Simona Halep, Madison Keys and Johanna Konta.

Högstedt was the junior singles winner at the 1981 US Open, defeating West German player Hans Schwaier in the final.

The following year he had a win over rising star Mats Wilander at Cincinnati and was a semi-finalist at Basel and Båstad.

Högstedt had the best win of his Grand Slam career at the 1989 Wimbledon Championships, defeating sixth seed Jakob Hlasek in the opening round.

[3] The pair ended their relationship shortly after Sharapova's second round loss to Michelle Larcher de Brito at the 2013 Wimbledon Championships.