 Thépot appeared in France's first ever World Cup match against Mexico in 1930, although he had to abandon the match during the first half due to an injury, being replaced in goal by half Augustin Chantrel.Thépot would come back and play in the next two matches, but his team was unable to go past the group stage, losing to Argentina 1-0 on a late goal, and 1-0 to Chile, despite having saved a penalty kick while the match was still 0-0.He played France's only match at the 1928 Olympic Games, a 3-4 loss to Italy.