Pierre-Hugues Herbert defeats Tomas Berdych to reach the Open Sud de France final on Saturday.

Pierre-Hugues Herbert celebrates a straight-sets victory against #NextGenATP Canadian Denis Shapovalov in the quarter-finals of the Open Sud de France.

Pierre-Hugues Herbert comes from down a set to beat Ilya Ivashka in Montpellier on Thursday.

Tournament Director Sebastien Grosjean and Pierre-Hugues Herbert attend the Open Sud de France draw ceremony.

John Peers and Henri Kontinen, the 2017 champions, congratulate Pierre-Hugues Herbert and Nicolas Mahut on Sunday after the Australian Open final.

Nicolas Mahut and Pierre-Hugues Herbert who completed the Career Grand Slam at the Australian Open, pose with Roy Emerson and Rod Laver.

Novak Djokovic, a few hours before playing Rafael Nadal in the singles final, congratulates Pierre-Hugues Herbert and Nicolas Mahut on completing the Career Grand Slam in Melbourne.

Nicolas Mahut and Pierre-Hugues Herbert celebrate becoming the eighth men's team in history to complete the Career Grand Slam with their first Australian Open crown.

Fifth seeds Nicolas Mahut and Pierre-Hugues Herbert beat 2017 champions Henri Kontinen and John Peers on Sunday in the Australian Open final.

Nicolas Mahut and Pierre-Hugues Herbert celebrate becoming the eighth team in history to capture the Career Grand Slam on Sunday at the Australian Open.

Nicolas Mahut and Pierre-Hugues Herbert make the semi-finals in Melbourne.

In their second appearance as a team at a professional event, David Goffin and Pierre-Hugues Herbert triumph in Doha.

Pierre-Hugues Herbert and David Goffin celebrate winning the Doha doubles title with victory over Robin Haase and Matwe Middelkoop.

Pierre-Hugues Herbert earns his second Top 10 win, and his second victory against Dominic Thiem, on Tuesday in Doha.

Marius Copil, Pierre-Hugues Herbert, Robin Haase and Marco Cecchinato will look to claim the ATP Tour 250 title up for grabs in Doha.

Pierre-Hugues Herbert and Nicolas Mahut defeat Ivan Dodig and Mate Pavic in four sets in the Davis Cup final on Saturday.

Pierre-Hugues Herbert watches on as Nicolas Mahut strikes a volley on Sunday in the doubles final at the Nitto ATP Finals.

Pierre-Hugues Herbert secures his place in the Shenzhen Open final.

Pierre-Hugues Herbert secures his place in the Shenzhen Open final.

Pierre-Hugues Herbert records his biggest win for 16 months on Wednesday with victory over Stefanos Tsitsipas.

Nicolas Mahut and Pierre-Hugues Herbert, the 2015-16 champions, fall to Lleyton Hewitt and Nick Kyrgios on Wednesday at The Queen's Club.

Nicolas Mahut and Pierre-Hugues Herbert become the third all-French team in the Open Era to win the Roland Garros title.

Pierre-Hugues Herbert and Nicolas Mahut broke Oliver Marach and Mate Pavic (pictured) to lift their first Roland Garros title.

Pierre-Hugues Herbert and Nicolas Mahut defeat Oliver Marach (pictured) and Mate Pavic to claim their third Grand Slam trophy.

Nicolas Mahut and Pierre-Hugues Herbert clinch their first Roland Garros title, defeating Oliver Marach and Mate Pavic in straight sets.