Muchova's surprising confession after reaching the semifinals: "I am allergic to grass"

The Czech player achieves her best performance at Wimbledon after defeating Naomi Osaka and explains how her good physical condition, work with her coach, and confidence in her tennis have taken her to the semifinals.

Fernando Murciego | 7 Jul 2026 | 20.24
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The surprising confession of Muchova upon reaching the semifinals: "I'm allergic to grass." Source: Getty
The surprising confession of Muchova upon reaching the semifinals: "I'm allergic to grass." Source: Getty

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People are smiling to see Karolina Muchova in the Wimbledon semifinals. The Czech tennis player defeated Naomi Osaka to reach the penultimate round of the London Grand Slam for the first time, where she will face Coco Gauff. After the match, she made it clear that she is experiencing the best moment of her career on grass and that, after years marked by injuries, she is enjoying the tournament like never before.

Muchova explained that the victory was the result of a combination of adaptation, confidence, and a very clear tactical approach. After a challenging start with her serve, she found the necessary rhythm to control the match and resist Osaka's power. She also spoke about the evolution of her game on this surface, the influence of her coach Sven Groeneveld, and an interesting circumstance that doesn't prevent her from shining in London: her allergy to grass!

Karolina Muchova highlights the key to her latest victory

"Once I got used to the court and the visual cues, I truly felt very comfortable. It helps a lot when you have a good serving day; in tough moments or at game points, I can rely on my serve or the first shot after the serve."

The recipe to stop Osaka

"She was hitting the ball very hard and very close to the lines. I tried to match that speed, and when I had the opportunity, I tried to hit a bit harder. Then, when she shortened the ball, I looked for the slice or approached the net to change the rhythm. In the end, I can say that the strategy worked."

Her best version on grass

"It's my best result on grass, no doubt about it. I played two tournaments before Wimbledon this year, and that helped me accumulate matches and experience. I believe that right now I feel most comfortable on this surface, something I've been searching for for many years."

The importance of feeling healthy

"At this moment, if you ask me, I value being here and playing without the major issues I had in the past. I am enjoying the moment and being able to develop my game; this is the most important thing right now."

Confidence in her coach, Sven Groeneveld

"He is a great person, has a lot of experience, and we are on the same tennis wavelength. He gives me confidence and always maintains a positive attitude."

Muchova's most unexpected confession after advancing to the semifinals

"Believe it or not, the reality is that yes, I am allergic to grass. I have to take many pills, sprays, and eye drops daily."

This news is an automatic translation. You can read the original news, La sorprendente confesión de Muchova tras alcanzar las semifinales: "Soy alérgica a la hierba"