Over her career, Arvidsson defeated top-ten players Marion Bartoli, Anna Chakvetadze, Jelena Janković, Petra Kvitová, Sam Stosur, and Caroline Wozniacki.

In the same year, she lifted the Bastas $25k trophy in her home country beating fellow Swede Maria Wolfbrandt in the final.

She failed to qualify in Hobart and the Australian Open, took a step down and played the $50k event in Ortisei, making the final that she lost to Mara Santangelo.

Arvidsson made the quarterfinals in Tokyo, Kolkata and Stockholm in 2005 before reaching her first WTA Tour final in Quebec City, losing to Amy Frazier.

Arvidsson began 2006 at the Hopman Cup alongside Thomas Johansson, beating the eventual winners in the group stages (USA).

She then posted her best Grand Slam result at the Australian Open, beating Dinara Safina in round two before losing to Anastasia Myskina.

This slump continued in early 2007, before she won a Swedish tour event (Volkswagen Cup) beating Johanna Larsson.

Then she returned as the defending champion to Memphis, beating Ekaterina Bychkova and Nicole Pratt on the way to a quarterfinal appearance against Meilen Tu, but lost.

She then moved to Sydney, gaining three straight set wins in qualifying by defeating Galina Voskoboeva, Stéphanie Dubois, Tzipora Obziler and in the main draw beat Elena Dementieva, before finally bowing out against Kaia Kanepi in the second round.

She then reached the quarterfinals of the Tier II Proximus Diamond Games, eliminating Meilen Tu, and second seed and world No.

She reached her second back-to-back quarterfinal in Memphis, after two three-set wins over Séverine Brémond and Stéphanie Dubois, before falling to Shahar Pe'er in a tight three-setter.

In the same tournament, she recorded her best career WTA doubles result reaching the semifinals, partnering Melinda Czink.

Arvidsson started the year playing three tournaments in Australia, Brisbane, Sydney and the Australian Open.

She was included in the Swedish Fed Cup team alongside Johanna Larsson, Sandra Roma and Ellen Allgurin.

Illness was a factor in her lack of results, as she lost in the first round in all three tournaments, Memphis, Indian Wells and Miami.

Next was the Australian Open qualifying, where, after three tough wins (including saving a match point against Marta Domachowska), she beat Jarmila Groth in the main draw before losing to Daniela Hantuchová.

Her singles success was mixed, losing to Wozniacki and Sevastova, but beating Anikó Kapros and Sybille Bammer.

[4] At the Australian Open, Arvidsson lost her first-round match to ninth seed and eventual finalist Li Na.

She participated in the Olympic Games, losing in the first round in both the singles (to Vera Zvonareva) and the mixed doubles (playing with Robert Lindstedt).

[8] After the Australian Open, Arvidsson played in Paris at the WTA indoor event where she was defeated in the first round by Alizé Cornet.

[10] As the defending champion and second seed at the U.S. Indoor Championships, Arvidsson reached the second round where she was defeated by Marina Erakovic in a replay of last year's final.

[16] Starting her clay-court season at the Portugal Open, Arvidsson was defeated in the first round by qualifier Galina Voskoboeva.

[19] After her first-round loss at Roland Garros, Arvidsson moved on to Germany to compete at the first edition of the Nürnberger Versicherungscup.

Playing in her home country at the Swedish Open, Arvidsson lost in the first round to eighth seed, compatriot, and eventual finalist Johanna Larsson.

Arvidsson won her first Grand Slam match of the year by beating Petra Cetkovská in the first round of the US Open.

[29] Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup and Olympic Games are included in win–loss records.