{"message":"Tennis API is running","endpoints":["GET /health - Health Check","GET /atp/rankings/singles - ATP singles live rankings","GET /atp/rankings/singles/official - ATP singles official rankings","GET /atp/rankings/singles/race - ATP singles race rankings","GET /wta/rankings/singles - WTA singles live rankings","GET /wta/rankings/singles/official - WTA singles official rankings","GET /wta/rankings/singles/race - WTA singles race rankings"]}