Valentin Vacherot, world number 204 from Monaco, defeated his cousin Arthur Rinderknech 4-6 6-3 6-3 in the Shanghai Masters final.
Vacherot's victory made him the first player from Monaco to win an ATP singles title and the lowest-ranked player to win an ATP Masters 1000 event.
The victorious Vacherot was overwhelmed with emotion, before sharing a heartfelt embrace with his older cousin Rinderknech.
Vacherot's career prize money will significantly increase, from under $600,000 to over $1 million, after lifting the trophy in Shanghai.
Author's summary: Vacherot wins Shanghai Masters title.