Two forehands, no backhands: meet the US Open’s fascinating ambidextrous experiment

<p>Teo Davidov doesn’t hit backhands. He serves from both sides. The 16-year-old from Denver is treating the tennis world to a wildly unorthodox style – and proving it’s more than a parlor trick</p><p>Teo Davidov always has the upper hands. An amiable junior prodigy from Denver, th