Do you use Tennis Blackbox?
What is Tennis Blackbox?
This app transforms your smartphone into hawkeye system in Tennis. Recording at 240 fps at FHD resolution, players can raise a challenge when they disagree with decisions.
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Tennis Blackbox
This app transforms your smartphone into hawkeye system in Tennis.
Recording at 240 fps at FHD resolution, players can raise a challenge when they disagree with decisions.
