The World Surf League and Oi have announced the Brazilian telecommunication giant’s title sponsorship of the elite WSL Championship Tour (CT) event in Rio de Janeiro from May 11 – 22, 2015. This multi-dimensional partnership will see the largest telecommunications company in South America align with the world’s best surfers at the sole elite tour event in Brazil, tapping into the unparalleled adventure, competitive drama and athleticism of surfing’s greatest stage.