Which ATP Tour star notched perfect marks in our Cincinnati champions’ quiz?

The Cincinnati Open this year celebrated its 125th anniversary. That means there were plenty of past champions for our latest ‘Test The Tour’ contestants to choose from as they tried to name a men's singles champion from each of the past six decades at the ATP Masters 1000 event.

Alexander Zverev, Daniil Medvedev, Casper Ruud, Grigor Dimitrov and Felix Auger-Aliassime all sat down to try and seal a pop quiz win in Cincy. While titlists from the 2000s onwards proved naturally proved easier for the participating stars to recall, there was some real uncertainty when it came to earlier eras: “He never won?”, "Oh, wait”, and “I need a call!” were some of the initial reactions from the players.

Despite those difficulties, one ATP star rose to the top with a flawless performance in the Cincinnati quiz. Check out the video below to find out who.

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