Tiafoe: "Don't do that to me at home".

Frances Tiafoe played his first career Masters 1000 final on Monday.

Far from being ridiculous, the American even gave Sinner doubts in the first set, playing very well and only conceding in the tie-break.

Unfortunately for him, he then gave in, no doubt a little exhausted by the string of long matches played this week.

Beaten fairly logically (7-6, 6-2), he never lost his trademark smile.

So, at the prize-giving ceremony, he asked Sinner not to put him through the same thing at the US Open: "I suppose I should congratulate Jannik. Congratulations on everything you've done. Becoming number 1 in the world. And never losing.

Keep it up. I wish you all the best in New York. But please don't do this to me back home in New York (smile)."