Singles | |
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2013 Rakuten Japan Open Tennis Championships | |
Champion |
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Runner-up |
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Final score | 7–6(7–5), 7–5 |
Kei Nishikori was the defending champion, but lost in the quarter-finals to Nicolás Almagro.
Juan Martín del Potro won the title, defeating Milos Raonic in the final, 7–6(7–5), 7–5.