Lundgren was one of the second generation of Swedish players along with Mats Wilander, Stefan Edberg, Joakim Nyström, Anders Järryd, Henrik Sundström, Hans Simonsson, and Kent Carlsson that followed after the success of Björn Borg.

[5] Lundgren's best ranking was 25th in the world, but at the time he was only the seventh best Swede behind Mats Wilander, Stefan Edberg, Anders Järryd, Joakim Nyström, Henrik Sundström, and Jan Gunnarsson.

[6] Lundgren while managing to have some big wins over Ivan Lendl, Mats Wilander, Michael Chang, Jim Courier, Thomas Muster, and Pete Sampras, was not able to achieve consistency and he said himself that "I was a little up and down.

"[6] He played his last match on tour against Karol Kučera in Copenhagen Open and retired at 30 years of age and then went into coaching.

[citation needed] Lundgren then took over coaching Marat Safin and guided him to the 2005 Australian Open championship and worked with him until August 2006.

[7] In 2008 Lundgren took some time away from his job, because his father was ill, though he later expressed interest to return to work with British tennis.