Novak Djokovic's ATP Finals blow with Jan-Lennard Struff defeat

Novak Djokovic's hopes of making a record 19th appearance at the ATP Finals have been dented by a surprise defeat against Jan-Lennard Struff at the Swiss Indoors in Basel.

Playing in the tournament for the first time in 15 years, the 39-year-old lost... [1609 chars]

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