Lois Boisson has become one of the most talked-about names in tennis for reasons that go beyond her powerful forehand. The 21-year-old French player turned heads at the 2025 French Open with a stunning run to the fourth round, but it was a peculiar on-court moment earlier that spring that first put her in the spotlight.

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Birthdate: May 16, 2003 ·
Nationality: French ·
Career-high singles ranking: No. 34 ·
Gender: Female ·
Notable tournament run: 2025 French Open fourth round ·
Social media followers (Instagram): 333,000+

Quick snapshot

1Confirmed facts
  • Lois Boisson is a female tennis player (Wikipedia)
  • She reached the fourth round of the 2025 French Open (BBC Sport)
  • Harriet Dart asked Boisson to apply deodorant during a match (ESPN)
  • Coco Gauff and Brad Gilbert ended their coaching partnership in 2025 (Wikipedia)
2What’s unclear
  • No confirmed information from reliable sources
3Timeline signal
  • Boisson entered the 2025 French Open as a wildcard ranked 361st and reached the fourth round (Yahoo Sports)
4What’s next
  • Career-high ranking of No. 34 positions Boisson for future Grand Slam appearances (The Times)

Six key facts about Lois Boisson, drawn from her official profile and tournament records.

Label Value
Full name Loïs Boisson
Date of birth 16 May 2003
Playing hand Right-handed
Career-high singles ranking No. 34 (as of mid-2025)
Notable achievement Fourth round at 2025 French Open (BBC Sport)
Sponsors Babolat, Asics, Laboratoire SVR, Renault, MGallery Hotels

What gender is Lois Boisson?

Lois Boisson is a female professional tennis player. She competes on the WTA Tour, which is reserved for women, and her gender is clearly stated in her official bio. This has never been a point of contention.

Bottom line: Boisson is a female athlete competing in women’s professional tennis, as confirmed by every official record.

Is Lois Boisson married?

As of 2025, there is no public record of Lois Boisson being married or having a known partner. Her personal life remains private, and no engagement or relationship announcement has been made.

The upshot

For fans curious about Boisson’s marital status, the answer is simple: no confirmed information exists. She keeps her personal life off social media.

What did Lois Boisson say about Coco Gauff?

After losing to Coco Gauff in the fourth round of the 2025 French Open, Boisson praised Gauff’s talent and composure. She described the match as a learning experience and expressed admiration for Gauff’s consistency on clay.

What to watch

Boisson’s respectful post-match comments contrasted sharply with the earlier deodorant incident, showing a player who handles both victory and defeat with grace.

Who told Lois Boisson to wear deodorant?

During an April 2025 Rouen Open match, British player Harriet Dart asked the chair umpire, Yamila Halle, to tell Boisson to wear deodorant. Microphones captured Dart saying Boisson “smells really bad.” The exchange quickly went viral. Dart later apologized on Instagram, calling it a “heat-of-the-moment” remark she regretted. Boisson responded with humor by posting an edited image of herself with deodorant and suggesting a collaboration.

The catch

While the incident drew global attention, no formal complaint or WTA disciplinary action followed. The match ended 6-0, 6-3 in Boisson’s favor.

Is Coco Gauff still with coach Brad Gilbert?

  • Coco Gauff split with Brad Gilbert in 2025 (Wikipedia)

Coco Gauff and Brad Gilbert parted ways in 2025 after a successful partnership that included the 2023 US Open title. The split was reported by multiple outlets, including The Athletic, but neither side gave a detailed explanation. Gauff has since worked with other coaches.

The pattern

Top players frequently change coaches mid-career. Gauff’s move reflects a normal evolution, not a crisis.

Career timeline

  • 2024: Entered WTA rankings top 100
  • 2025: Reached fourth round of French Open; lost to Coco Gauff
  • 2025: Harriet Dart deodorant incident

Confirmed

  • Lois Boisson is a female tennis player
  • She played at 2025 French Open
  • Harriet Dart asked her to apply deodorant
  • Coco Gauff split with coach Brad Gilbert in 2025

Unclear

  • Whether Boisson is married or has a partner
  • Exact reason behind Coco Gauff’s coaching split
  • If Boisson was officially suspended (no evidence found)

Key quotes from the story

She smells really bad.

Harriet Dart, as captured by on-court microphones during the Rouen Open match (BBC Sport)

It was a heat-of-the-moment remark that I regret.

Harriet Dart, Instagram apology (ESPN)

Clearly I need a deodorant partnership!

Lois Boisson, Instagram response to the incident (Tennis.com)

Boisson’s career trajectory offers a clear lesson for emerging players: composure under scrutiny can be as valuable as a powerful serve. For French tennis fans, the takeaway is equally direct: Boisson is not merely a viral footnote but a talent with the poise to compete at the highest level.

Additional sources

reddit.com, facebook.com, ftw.usatoday.com, ubitennis.net, reddit.com, facebook.com, tiktok.com, aktuellfokus.ch

Her remarkable breakthrough French Open semifinal run at Roland Garros captivated fans around the world.

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Frequently asked questions

How is Lois Boisson’s gender officially recorded?

Lois Boisson is a female professional tennis player. Her gender is confirmed by the WTA and all official tournament records.

What is Lois Boisson’s WTA ranking?

As of mid-2025, her career-high singles ranking is No. 34.

Has Lois Boisson ever been married or in a public relationship?

There is no public record of Lois Boisson being married or in a confirmed relationship.

Which opponent requested Lois Boisson to apply deodorant during a match?

British player Harriet Dart asked the umpire to tell Boisson to apply deodorant during their April 2025 Rouen Open match.

What were Boisson’s specific comments about Coco Gauff after the 2025 French Open?

After losing to Gauff at the 2025 French Open, Boisson praised Gauff’s talent and sportsmanship.

What happened between Harriet Dart and Lois Boisson?

Dart was heard saying Boisson “smells really bad” and requested a deodorant. The incident went viral, and Dart later apologized.

Has Coco Gauff officially split from coach Brad Gilbert, and why?

No, Gauff and Gilbert ended their coaching partnership in 2025. No official reason was given.