Novak Djokovic won his sixth ATP Tour Finals title, beating Casper Ruud in straight sets in the final. Ruud saw off Andrey Rublev in the semi-finals, where the Russian suffered a run that included losing nine games in a row. It proved to be a disappointing tournament for Rafael Nadal and Daniil Medvedev, who both went out in the group stage. Talking Tennis speaks to ATP Tour strategy coach Craig O'Shannessy, who was in Turin throughout.

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