"Movement is what I adapt most—I stay lower. Sinner has great movement on grass; he can slide, which many can't do.
These are important things on this surface because the ball comes faster and you need to be well positioned to produce power, you have to get to the ball earlier," he stated.
His recent quarterfinal run at Roland Garros, where he was eliminated by Czech player Jakub Mensik, served as a boost for his current Grand Slam campaign.
"That result was important for me in many ways: it proved I can win matches coming from two sets down, making me trust my physique and mentality more," Fonseca explained.
Acknowledging the difficulty of the draw, Fonseca praised his Spanish opponent's extensive experience.
"He's a player who plays well on this surface.
For me, it's another opportunity to play Wimbledon, such a wonderful tournament, against an experienced player, perhaps one of the most experienced on tour currently.
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I'm enjoying this moment, feeling good on court, training well. I'll take it match by match, point by point, and give it my all," he remarked.