Former champion Ana Ivanovic [ Images ] slumped to a 7-6, 0-6, 6-2 first round defeat to unheralded Swede Johanna Larsson at the French Open [ Images ] on Tuesday.

The 20th-seeded Serb, who withdrew from last week's Strasbourg International with a wrist injury, lacked consistency against the world number 64.

Ivanovic, who topped the world rankings in 2008 when she won at Roland Garros [ Images ], seemed to have found her form when she rolled through a one-sided second set despite still battling to stem the unforced errors.

- Somdev out of French Open singles

She went off the boil again in the sunshine on court Suzanne Lenglen [ Images ] in the decider and bowed out after one hour and 49 minutes when she netted a routine forehand.

Meanwhile, fighting back tears, Virginie Razzano sought comfort on court Philippe Chatrier on Tuesday, eight days after her coach and fiance died of a brain tumour.

The Frenchwoman lost 6-3, 6-1 to Australian Jarmila Gojdasova in the first round, but showed courage and dignity and received a compassionate pat on the back from her opponent at the end of an emotional match.

"I grabbed all my courage. I don't have much. I'm very fragile. I feel lonely, and even though there are many people around me supporting me I still have the strength in me that keeps me standing up and moving on step by step," a watery-eyed Razzano told reporters in her post-match press conference.

Stephane Vidal died at the age of 32 last Monday after losing his battle against a long-term brain tumour.

Former world number one Maria Sharapova [ Images ] started her campaign in convincing fashion, dismissing Croatian Mirjana Lucic 6-3, 6-0.

The Russian seventh seed, who won the Rome International this month, broke in the seventh game and never looked back.

Sharapova, wearing a yellow dress on another sunlit day on court Philippe Chatrier, produced some deft tennis and looked fully fit.

She next faces French teenager Caroline Garcia.