Dutch Jean-Julien Rojer and Romania's Horia Tecau have secured a place for the Nitto ATP Finals.
Rojer and Tecau defeated Colombia's Juan Sebastian Cabal and Robert Farah in the Shanghai Rolex Masters round one.
Rojer, 36, and 32-year-old Tecau are set to play for the third time together at the prestigious London event.
Overall, they're set to play for the fifth time each at the event.
Rojer and Tecau won it all the ATP Finals two years ago in 2015.
Back then, the pair didn't drop a single set in five matches played.
Rojer and Tecau have captured four titles so far in 2017 -- went all the way at the US Open, Dubai, Geneva, and Winston-Salem.
Previously, Lukasz Kubot and Marcelo Melo, as well as Henri Kontinen and John Peers, sealed a ticket for the ATP Finals.
Rojer and Tecau are set to meet next Oliver Marach and Mate Pavic in the Shanghai quarter-finals.
The Nitto ATP Finals are set to be held at The O2 Arena from 12-19 November.
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