Nicolas Mahut and Pierre-Hugues Herbert defeat Lloyd Glasspool and Harri Heliovaara in the Montpellier final on Sunday.

Nicolas Mahut and Pierre-Hugues Herbert in action on Day 5 in Montpellier.

Pierre-Hugues Herbert celebrates winning the title in Turin with his baby.

Pierre-Hugues Herbert/Nicolas Mahut capture their second Nitto ATP Finals title.

Pierre-Hugues Herbert celebrates his Nitto ATP Finals title with his family on Sunday.

Nicolas Mahut/Pierre-Hugues Herbert kiss the trophy in Turin.

The families and team members of Nicolas Mahut and Pierre-Hugues Herbert celebrate their Nitto ATP Finals title success.

Nicolas Mahut and Pierre-Hugues Herbert celebrate lifting the Nitto ATP finals trophy on Sunday in Turin.

Pierre-Hugues Herbert and Nicolas Mahut keep Rajeev Ram and Joe Salisbury under pressure on Sunday at the Nitto ATP finals.

Pierre-Hugues Herbert and Nicolas Mahut win 20 of their 25 service points in the first set of the title-match Sunday at the Nitto ATP Finals.

Nicolas Mahut and Pierre-Hugues Herbert defeat Jamie Murray and Bruno Soares on Friday in Turin.

Home favourites Pierre-Hugues Herbert and Nicolas Mahut defeat John Peers and Filip Polasek on Saturday in Paris.

Pierre-Hugues Herbert and Nicolas Mahut defeat Ariel Behar and Gonzalo Escobar on Thursday in Paris.

Pierre-Hugues Herbert and Nicolas Mahut will play Alexander Bublik and Andrey Golubev for the Roland Garros title.

Pierre-Hugues Herbert and Nicolas Mahut beat Raven Klassen and Ben McLachlan on Wednesday in Acapulco.

Pierre-Hugues Herbert was the only player to take a set off Daniil Medvedev at the Open 13 Provence.

Pierre-Hugues Herbert faced four seeded opponents at the Open 13 Provence.

Pierre-Hugues Herbert became a father for the first time last September.

Pierre-Hugues Herbert is chasing his maiden ATP Tour title this week.

Pierre-Hugues Herbert says he couldn't 'complain about anything' in his victory over Kei Nishikori on Tuesday in Marseille.

Pierre-Hugues Herbert and David Goffin, who met in the singles first round on Thursday, lost together in Antalya.

Pierre-Hugues Herbert and Nicolas Mahut beat Lukasz Kubot and Marcelo Melo in straight sets to win the bett1HULKS Indoors title.

Pierre-Hugues Herbert and Nicolas Mahut are chasing their fifth Grand Slam title as a team.

Pierre-Hugues Herbert and Nicolas Mahut own 16 tour-level titles as a team.

Pierre-Hugues Herbert and Nicolas Mahut own a 16-6 record in tour-level doubles finals as a team.