2018 ATP Finals – Doubles

Henri Kontinen and John Peers were the two-time defending champions, but they only qualified for the first alternate spot. Kontinen and Peers replaced Nikola Mektić and Alexander Peya for the last match in the round robin competition. Mike Bryan and Jack Sock won the title, defeating Pierre-Hugues Herbert and Nicolas Mahut in the final, 5–7, 6–1, [13–11].

2018 ATP Finals – Doubles

Henri Kontinen and John Peers were the two-time defending champions, but they only qualified for the first alternate spot. Kontinen and Peers replaced Nikola Mektić and Alexander Peya for the last match in the round robin competition. Mike Bryan and Jack Sock won the title, defeating Pierre-Hugues Herbert and Nicolas Mahut in the final, 5–7, 6–1, [13–11].