Frappart became the first woman to referee a major men's European match and a French Ligue 1 match, both in 2019, and the first woman to officiate a UEFA Champions League match in 2020.[3] In 2021, she became the first woman to take charge of a men's World Cup qualifying match.[4] In 2022, Frappart was one of the three women referees selected to officiate at the men's World Cup,[5] before she became the first woman to referee a men's World Cup match in an all-female referee team.[6][7]
On 3 December 2018, Frappart was appointed to officiate in the 2019 FIFA Women's World Cup in France.[12] After the conclusion of the round of 16, it was announced that Frappart had been selected as one of 11 officials that would be retained for the remainder of the tournament.[13] Frappart would go on to be appointed to referee the final of the tournament which was contested on 7 July 2019 between the United States and the Netherlands.[14]
On 19 May 2022, she was selected for the officiating pool at the 2022 FIFA World Cup.[26] On 1 December 2022, she became the first woman to referee a men's FIFA World Cup[5] match when she officiated the match between Costa Rica and Germany.[27]
On 9 January 2023, FIFA appointed Frappart to the officiating pool for the 2023 FIFA Women's World Cup in Australia and New Zealand.[28]