Top-ranked Jannik Sinner added another big title to his tremendous year, beating US Open runner-up Taylor Fritz 6-4, 6-4 on Sunday for the ATP Finals trophy before his home fans -- and before a final verdict is reached in his doping case.

Taylor Fritz followed up his runner-up finish at the U.S. Open by beating Alexander Zverev 6-3, 3-6, 7-6 (3) to advance to another big final at the ATP Finals

Italian world number one Jannik Sinner beats American Taylor Fritz in straight sets to win his first ATP Finals title in Turin.