Pierre-Hugues Herbert and Nicolas Mahut share a moment with Michael Venus and Raven Klaasen following the Nitto ATP Finals doubles trophy ceremony.

Raven Klaasen and Michael Venus end their season with a 35-19 record.

Raven Klaasen and Michael Venus reach their first Nitto ATP Finals championship match on Saturday.

Michael Venus and Raven Klaasen improve to 2-0 in Group Jonas Bjorkman at the Nitto ATP Finals.

Michael Venus and Raven Klaasen save all four break points they face to defeat Rajeev Ram and Joe Salisbury at the Nitto ATP Finals on Sunday.

Michael Venus and Raven Klaasen get off to a fast start on Sunday at the Nitto ATP Finals.

Michael Venus and Raven Klaasen got off to a strong start at the Nitto ATP Finals on Sunday.

Raven Klaasen and Michael Venus have lifted two ATP 500 titles this year.

The world's eight leading teams pose for the official 2019 Nitto ATP Finals doubles photo.

Raven Klaasen and Michael Venus level their FedEx ATP Head2Head series at 1-1 against Jean-Julien Rojer and Horia Tecau.

Raven Klaasen and Michael Venus claim their second ATP 500 title of the season at the Citi Open on Sunday.

Raven Klaasen and Michael Venus beat Lukasz Kubot and Marcelo Melo to win their first title of 2019.

Michael Venus and Raven Klaasen advance to their second ATP Masters 1000 final as a team in Rome.

Raven Klaasen and Michael Venus (volleying) sweep into the Auckland final on Friday after beating Bob and Mike Bryan.

Raven Klaasen and Michael Venus defeat Joe Salisbury and Yasutaka Uchiyama at the Rakuten Japan Open Tennis Championships on Saturday.

Raven Klaasen stretches for a backhand volley on Tuesday in Tokyo as his partner, Michael Venus, watches on.

Raven Klaasen and Michael Venus beat Oliver Marach and Mate Pavic to reach the Rogers Cup final on Saturday.

Marseille champions Michael Venus and Raven Klaasen continue their winning streak to advance to the Dubai Duty Free Tennis Championships quarter-finals on Wednesday.

Raven Klaasen and Michael Venus claim their first ATP World Tour title as a team with a victory at the Open 13 Provence on Sunday.

Michael Venus and Raven Klaasen celebrate a comeback win over Marcin Matkowski and Aisam-Ul-Haq Qureshi in the AUckland quarter-finals.

Aisam-Ul-Haq Qureshi, Ryan Harrison as 'The Joker', Raven Klaasen and Rajeev Ram took part in the Player Revue finale on Wednesday in Monte-Carlo.

Aisam-Ul-Haq Qureshi, Ryan Harrison, Rajeev Ram and Raven Klaasen dress up as part of the Player Revue on Wednesday in Monte-Carlo.

Aisam-Ul-Haq Qureshi, Ryan Harrison, Raven Klaasen and Rajeev Ram take part in the Monte-Carlo Player Revue on Wednesday.

David Ekerot, Rohan Bopanna, Alexander Bublik and Raven Klaasen took part in a sketch titled 'The Relatives' on Wednesday at the Monte-Carlo Player Revue.

Raven Klaasen (L) and Rajeev Ram win their biggest title as a team at the BNP Paribas Open.