Loïs Boisson began 2025 ranked No.230 — a talented 22-year-old, but an anonymous name on the ITF treadmill, grinding for points far from any spotlight. By May she had slipped to No.513, an almost unbelievable number for a player who would finish the year inside the Top 40. When she stepped onto the clay of Saint-Gaudens, she was a week removed from that 513 label. When she walked into Roland Garros, she was No.316.
By November, she was World No.36.
No WTA player rose faster this season. Not one. And no one rewrote her own story in real time with more audacity.
This is her year in full — another chapter in our WTA 2025 season review, where even the meteors get a GPA.
From ITF Baselines to a Pulse: The First Sparks of 2025
Boisson opened her year on the fringes: W35 Manchester, Macon, W35 Terrassa — the quieter corners of professional tennis where careers either ignite or dissolve. She mixed grit with inconsistency, beating the players she should, losing to those she shouldn’t, and often pushing things deep into third sets. In Terrassa it was Lilli Tagger in the final, Austria’s biggest talent. She was not yet a rising star — just a player with appetite.
W75 Bellinzona was her first proper signal. Wins over Chiesa, Ibragimova and Benoit put her into the semifinals before Italy’s No. 415 Silvia Ambrosio halted her run. But something shifted there. The ball was coming off her strings heavier, the footwork sharper, the scoreboard less volatile.
Rouen brought her first top-100 scalp over Harriet Dart. Saint-Malo showed she could drag higher-ranked French players into the trenches. Just failed against Leolia Jeanjean ranked 200 spots higher.
And then Saint-Gaudens happened.
Saint-Gaudens: Where the Meteor Took Fire
Entering the W75 event ranked No.513, Boisson ripped through the draw like someone who simply refused to accept the number next to her name.
Alice Rame. Julie Belgraver. Jessika Ponchet. Tatiana Prozorova in the final.
Five matches, five wins, the forehand humming, the backhand suddenly a weapon, the movement another league entirely.
She entered the tournament as a player looking for a foothold.
She left it with a trophy — and a new identity.
It was the spark that lit everything that followed.
Roland Garros: A Wildcard Becomes a French Story
Ranked No.316, with nothing to lose and everything to prove, Boisson stepped into her home Slam as a Wild Card from heaven and detonated the draw.
First Elise Mertens — 6-4, 4-6, 6-3 — her first Top-30 win.
Then Anhelina Kalinina.
Then a surreal all-French rollercoaster against Jacquemot that she dragged home 7-5 in the third after losing the second 0-6.
Then the unthinkable: Jessica Pegula, World No.3, dismantled in a three-set street fight where Boisson’s calm under pressure felt almost unreal for someone who had spent the spring in ITF qualifying.
If Roland Garros was her coming-out party, the quarterfinal was her coronation: a 7-6 (8-6), 6-3 win over Mirra Andreeva, the teenager who had spent all year swallowing big names for breakfast. Boisson out-hit her, out-thought her, out-lasted her — and won with a dominance ratio of 1.21 that belonged to a Top-10 player.
Coco Gauff ended the run in the semis, as she tends to when the lights are brightest. But Boisson left Paris as the story of the tournament. As the French hope they’d been waiting for. And no longer as a wildcard: but a threat.
Grass & Stockholm: Touching Down, Not Crashing
Wimbledon qualifying showed the growing pains.
A tight three-setter against Carson Branstine ended her run early.
Båstad saw her beat Chloe Paquet but fall to Darja Semenistaja.
She wasn’t magical here — but she was stable, competitive, and no longer the kind of player who disappeared for weeks.
Hamburg, however, changed everything again.
Hamburg: Her First WTA Title, and the Week She Belonged
Ranked No.63 by July, Boisson played Hamburg like she’d never left the clay of Paris.
Five wins, one title, no panic.
Grabher. Korpatsch. Tomova. Yastremska in the semis. Bondar in the final.
Her dominance ratios were some of the highest of her year. The way she absorbed pace, redirected it, and found frontline aggression in big moments looked eerily similar to her Roland Garros form — just steadier.
Hamburg confirmed it: her rise wasn’t a fluke. It was a trajectory.
US Summer: Valuable Lessons, No Fractures
Cleveland brought a marathon loss to Teichmann.
The US Open was a near-breakthrough — she led Golubic by a set and a half before losing in three.
Her level dipped slightly, but structurally, she was holding.
She wasn’t falling back into the rankings abyss.
She was learning to stay on tour.
Asia: Samsonova, Navarro, and a Steadier Version of Herself
Seoul saw her beat Yeon Woo Ku before Alexandrova steadied and reasserted her power game. Good effort, not a crisis.
Then came Beijing — perhaps her best hard-court performance of the year.
She beat Dalma Galfi in three, then stunned Liudmila Samsonova 6-3, 6-4 — a proper top-20 performance built on timing, neutralising defense and a forehand that landed with intent.
Her run ended against Navarro with a retirement, but the point had been made: Boisson could now beat elite hitters on any surface.
By the end of the tournament, she was breathtakingly close to the Top 40. A ranking similar to Garcia in her peak years — the kind that turns a French player into a headline, not a footnote.
She finished the year at World No.36.
From 230.
From 316 at Roland Garros.
From 513 a week before Saint-Gaudens.
No player moved faster.
No story felt bigger.
The Boisson Assessment
Boisson’s 2025 wasn’t just a rise — it was a redefinition.
She won titles at every level she entered.
She made a Slam semifinal.
She collected top-20 wins on clay and hard court.
She became a French name worth circling in every draw.
She showed resilience, range, courage and a maturity far beyond her ranking. The real test of stars is not one breakthrough, but whether you can build a season from it. Boisson built two.
Her year wasn’t perfect — there were retirements, tired losses, and moments where the tank emptied. But perfection wasn’t the point.
The point was the climb.
And no one climbed like Loïs Boisson in 2025.
Final Verdict Loïs Boisson: A (with A+ magic in Paris)
She began 2025 at No.230, plunged to No.513 in May, and finished at No.36. Along the way she won a WTA title, reached a Slam semifinal, stunned top-10 opponents, and became the French breakout the sport didn’t know it needed.
3.8 GPA
A meteoric rise — and the kind that doesn’t burn out.
If anything, 2026 might be where she hits orbit.
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