Genie Bouchard faces a first-round Olympic challenge in the form of 22nd-ranked American Sloane Stephens.
Bouchard has been busy soaking up her first Olympic experience.
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The 39th-ranked Canadian has been chronicling her trip to Rio on social media.
Here's a sample of Bouchard's Olympic posts, including a tour of the Canada house.
Cutest bed ever
A photo posted by Genie Bouchard (@geniebouchard) on
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A photo posted by Genie Bouchard (@geniebouchard) on
Photo credit: Christopher Levy