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An unwanted guest made its way onto Stadium Court on Tuesday evening at the Citi Open in Washington, D.C.

Read & Watch: Squirrel Makes Khachanov Move In Washington

Critter puts a scare into Khachanov and the Washington crowd

Karen Khachanov moves when he's chasing balls and trying to stay in rallies. But he really becomes alert when there's a squirrel on court, as fans at the Citi Open saw on Tuesday evening.

A squirrel found its way onto the court before the eighth game of the second set of Khachanov's second-round match against Frenchman Jo-Wilfried Tsonga.

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During the 5-2 changeover, the squirrel briefly stopped in front of Tsonga, before darting over to Khachanov, then back to Tsonga, then back to Khachanov, who finally noticed the creature and nearly jumped in his chair.

The squirrel, however, meandered past the players and into the stands, where fans shrieked but it appeared none were hurt from the critter's brief foray onto Stadium Court. Watch Now

Earlier in the day, a moth delayed play between Frances Tiafoe and Alexander Bublik before a ball boy came to the rescue. Watch Now

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