Seventh seed Andrey Rublev was knocked out in the first round of the French Open on Tuesday, as the in-form Russian lost a five-set thriller to Jan-Lennard Struff.
Rublev, who beat Rafael Nadal en route to the Monte Carlo Masters final earlier this season, fought back from two sets down before succumbing 6-3, 7-6 (8/6), 4-6, 3-6, 6-4 in three hours and 46 minutes.
The 23-year-old, who had reached the quarter-finals in each of his previous three Grand Slam tournaments, was the third-highest seeded player in his half of the draw, behind Novak Djokovic and Nadal.
Big-hitting German Struff will face Argentinian Facundo Bagnis in the second round.
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