5. Sibling Rivalry

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Can you imagine what it must be like to play your sister?

You know how sibling rivalry rears its head in any issue where sisters are pitted against each other.

Imagine it on a global stage with millions of eyes watching your every move.

Add in that your sis is your BFF and there’s double the pressure.

The 2017 Australian Open Final was contested by the Williams sisters with Serena winning in straight sets.

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