Harold Mayot

Mayot made his ATP main draw debut at the 2020 Open 13 simultaneously in both single and doubles when he was granted a wildcard entry into both draws partnering compatriot Arthur Cazaux. They were defeated in the first round by Nicolas Mahut and Vasek Pospisil in straight sets. In singles, he was also defeated in the first round by veteran compatriot Gilles Simon in straight sets.

Pairing with Cazaux again, they were given a wildcard entry into the main doubles draw of the 2020 French Open but would again be defeated in the first round by Łukasz Kubot and Marcelo Melo in straight sets. At the same tournament Mayot received also a wildcard into the singles main draw, and was defeated by Alejandro Davidovich Fokina.

Mayot received a wildcard for the qualifying competition at the 2022 Australian Open.

Mayot reached his first ATP Challenger Tour final as a qualifier in July 2022 at the 2022 Tampere Open in Finland, losing against Zsombor Piros. As a result, he reached a new career-high singles ranking of No. 304 and also a doubles ranking of No. 450 on 25 July 2022. He reached the top 250 at world No. 248 on 19 September 2022.

Following a semifinal showing at the 2023 Open Aix Provence as a lucky loser where he beat three top 100 players then lost to fifth seed Andy Murray,[6] he reached the top 200 in the rankings on 8 May 2023.

In June, Mayot won his first doubles match at the 2023 French Open partnering with Jonathan Eysseric, having failed to qualify in the singles. In July, Mayot made his Wimbledon debut as a qualifier, only his second career Major singles appearance.[7], where he recorded his first singles Grand Slam win by beating fellow countryman Benjamin Bonzi in the first round.[8] He later made his debut at the US Open qualifying, where he lost in the first round.

In September, Mayot reached his second career final on the ATP Challenger Tour in Mallorca losing to second seed Hamad Medjedovic in the final. Later in September, Mayot reached his first doubles final on the ATP Challenger Tour in Saint-Tropez partnering with Jonathan Eysseric, losing in the final to Dan Added and Albano Olivetti.