Imposing superhero playing tennis. He is ready to hit the ball. Stable stance. Full body portrait. Stoic and determined. White clothes, shield emblem. Low camera angle. Dramatic light. Crowded stadium. --ar 3:4 --sref <https://s.mj.run/ftRdRdbVRms> ::1 <https://s.mj.run/RkoqCSWfKi4> ::5 <https://s.mj.run/m2ErQC1_xNM> ::5 <https://s.mj.run/Wk2RDctnTK8> ::5 <https://s.mj.run/kzuiEDuSPVo> ::2 <https://s.mj.run/xblY-KZOLkw> ::2 <https://s.mj.run/C9BXGl-XkwM> ::2