2006–2009: College years and first ITF tournaments Venus transferred to
Louisiana State University from the
University of Texas after his freshman year and sat out the 2006–2007 season, following
NCAA guidelines. In his first year at LSU, Venus became the first LSU player to win the ITA Men's All-American Championship at the national tournament in
Tulsa,
Oklahoma in January 2008. He is one of only two Louisianan college players to finish in the top ten of the Campbell's
ITA College Tennis Rankings in both singles and doubles in the same year (No. 7 in singles and No. 4 in doubles, respectively), which he accomplished in his final season in 2008–2009. He was a representative of the United States team in the
BNP Paribas International University Challenge of Tennis in
Poitiers, France in December 2009. thus peaking at 866 in singles on the
ATP world tour. In 2008, despite playing the final of Baton Rouge Challenger with partner
Ryan Harrison, At the
2020 Summer Olympics he won the bronze medal in doubles with fellow New Zealander
Marcus Daniell defeating
Austin Krajicek and
Tennys Sandgren. He and Pütz got to the semifinals of the
Indian Wells Masters, defeating second seeds
Joe Salisbury/
Rajeev Ram and fifth seeds
Kevin Krawietz/
Horia Tecău before losing to Russian Duo
Andrey Rublev/
Aslan Karatsev. He won his first
ATP Masters 1000 title at the
Paris Masters, again with Pütz. As a result, he reached No. 15 in doubles on 8 November 2021.
2022: Second Australian Open quarterfinal & Masters final, world No. 6 Seeded sixth, he reached the quarterfinals of the
Australian Open partnering with Pütz where they were defeated by eventual champions Kokkinakis/Kyrgios. Seeded fourth at the
2022 Dubai Tennis Championships they won the ATP 500 title defeating top-ranked
Nikola Mektić /
Mate Pavić. At the
2022 Halle Open he reached his third final of the season and fifth overall as a team with Putz. After a final showing at the
2022 Western & Southern Open partnering again with Putz, he reached world No. 6 in the doubles rankings on 29 August 2022.
2023–2024: New partnership with Murray and three ATP titles Seeded as top pair with new partner
Jamie Murray they won their first title at the
Dallas Open. The team reached a Masters quarterfinal at the
2023 BNP Paribas Open. After this run they then won their second title of the season at the
Banja Luka Open. Their next two tournaments saw them reach back to back quarterfinals at the Masters events at the
Madrid Open and
Italian Open. In preparation for the
French Open the team headed to the
Geneva Open. They went on to win the tournament and their third title of the season with a straight sets victory over the third seeds and clay court specialist pairing of
Marcel Granollers and
Horacio Zeballos. At the
2024 Queen's Club Championships, he combined with
Neal Skupski to win the doubles title, defeating
Taylor Fritz and
Karen Khachanov in the final.
2025: 25th doubles title in Auckland Partnering with
Nikola Mektić, Venus won his 25th doubles title at the
Auckland Classic, receiving a walkover in the final when scheduled opponents
Christian Harrison and
Rajeev Ram withdrew due to Ram suffering an arm injury. At the
2025 Miami Open the pair reached the semifinals but lost to top seeds and world No. 1 players
Marcelo Arevalo and
Mate Pavic. ==Significant finals==