Valentin Vacherot became Monaco's first ATP Tour singles champion by beating his cousin Arthur Rinderknech in Shanghai.
Vacherot, ranked 204th in the world, made history as the lowest-ranked player to win a Masters 1000 event. He came from a set down for the sixth time in the tournament, winning 4-6 6-3 6-3.
Rinderknech won the opening set with 12 winners and just two unforced errors. However, Vacherot broke his opponent in consecutive games from 3-3 in the second set, leading by a break in the third.
Vacherot beat four-time Shanghai champion Novak Djokovic in the semi-finals.
Author's summary: Vacherot wins Shanghai Masters as lowest-ranked player.