Norway's top seed Casper Ruud was ousted from the ATP Japan Open in Tokyo on Tuesday after losing in straight sets against Jaume Munar of Spain.

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Ruud reached his second Grand Slam final of the year at the US Open, moving to No. 2 in the world rankings.

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The preceding week in Seoul, Ruud featured in his first ATP competition.

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There was an air of rustiness in his play & a slight loss of rhythm, which was unanticipated given that he had played a match at both the Davis Cup and Laver Cup in the earlier weeks.

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At the Korea Open, after receiving a farewell in the first round, Nicolas Jarry defeated Ruud in three sets.

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After losing in the quarterfinals to Nishioka in Seoul the previous week, he could not advance to the semi-finals for the second consecutive week.

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Munar will next face fellow player Pedro Martinez after losing all three of his previous encounters with Ruud, all of which took place on clay.

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The absence of tournaments on the clay court had added to Munar's plight, whose preferred surface is clay.

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