▁record ▁and ▁a ▁ 1 0 – 4 ▁career ▁doubles ▁record . ▁He ▁had ▁a ▁career - high ▁juni ors ▁singles ▁ranking ▁of ▁world ▁No . ▁ 1 , ▁att ained ▁on ▁ 9 ▁September ▁ 2 0 0 2 . ▁ ▁He ▁made ▁his ▁debut ▁on ▁the ▁ATP ▁tour ▁in ▁April ▁ 2 0 0 2 , ▁at ▁the ▁Tennis ▁Masters ▁Series ▁tournament ▁in ▁Monte ▁Carlo ▁where ▁he ▁received ▁a ▁wild card ▁into ▁qual ifying ▁and ▁became ▁the ▁young est ▁player ▁ever ▁to ▁qual ify ▁for ▁a ▁Tennis ▁Masters ▁Series ▁event . ▁At ▁the ▁age ▁of ▁ 1 5 ▁years ▁and ▁ 1 0 ▁months , ▁he ▁defeated ▁Argentina ' s ▁Franco ▁S qu ill ari ▁in ▁the ▁first ▁round ▁of ▁that ▁tournament ▁to ▁become ▁the ▁young est ▁player ▁to ▁win ▁a ▁top - t ier ▁tour ▁( AT P ▁Tour , ▁Grand ▁Prix ▁tennis ▁circuit ▁or ▁World ▁Championship ▁Tennis ) ▁main ▁draw ▁singles ▁match ▁since ▁Tommy ▁Ho ▁at ▁R ye ▁Brook ▁in ▁ 1 9 8 8 . ▁ ▁Gas quet ▁made ▁his ▁Grand ▁S lam ▁tournament ▁debut ▁at ▁the ▁ 2 0 0 2 ▁French ▁Open ▁at ▁the ▁age ▁of ▁ 1 5 ▁years , ▁ 1 1 ▁months ▁and ▁nine ▁days . ▁He ▁was ▁the ▁second - you ng est ▁player ▁ever ▁to ▁comp ete ▁in ▁the ▁main ▁draw ▁there . ▁Despite ▁his ▁lack ▁of ▁experience , ▁he ▁managed ▁to ▁take ▁a ▁set ▁off ▁the ▁event ual ▁champion ▁Albert ▁Costa ▁in ▁the ▁first ▁round . ▁Gas quet ▁finished ▁