At the Nitto ATP Finals top seeds Kubot and Melo outclassed No. 7 seeds Ivan Dodig and Marcel Granollers to clinch year-end No. 1 ATP doubles ranking. "This year has been amazing for me and Lukas, the first year we're playing together. Finishing as the No. 1 team in the world for me, it means a lot", Melo said, "We achieved this as a team. I'm very proud". They also defeated four-time former season finale champions Bob Bryan and Mike Bryan and subsequently qualified for the semi-finals. In the semifinal they knocked out eighth seed Ryan Harrison and Michael Venus for a place in the title match. In the final Kubot and Melo, who were 49-17 for the season, fell to second seeds and defending champions Henri Kontinen and John Peers.