Rafael Nadal was worried.

A guy so unflinching, so nearly unbeatable, while sliding and grinding and pounding his way past opponent after opponent at the French Open, got a real case of nerves during the 18 hours he and Novak Djokovic waited for the restart of their rain-interrupted final at Roland Garros.

Instead of focusing on how close he was to winning a record seventh French Open championship, Nadal grew increasingly wary of the other possible outcome: a loss in a fourth consecutive Grand Slam final against Djokovic, who was trying to become the first man since 1969 to collect four straight major titles.

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