Generate Tennis Champion Portraits

Create a photorealistic sports portrait: Aspect ratio: 4:5 vertical. Scene: professional tennis court just after a match, stadium seating softly blurred behind the subject, clean court lines and net visible in the background. Subject: the person wearing a modern tennis kit with subtle fabric texture and realistic post-match detail. Action and gaze: calm champion portrait, face toward camera, natural relaxed posture. Composition: waist-up framing, eye-level, court environment clearly readable without becoming busy. Lighting: late-afternoon stadium daylight with soft fill, natural skin tones, realistic shadows. Details: performance fabric, court surface texture, subtle sweat, realistic skin texture, real camera feel. Text: no in-image text. Constraints: no watermark, no extra text, no logos, realistic anatomy, natural pose, no heavy retouching, no mid-swing action.