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February 17, 2021: 1st seed Diede DE GROOT of the Netherlands reacts believing she had defeated 2nd seed Yui KAMIJI of Japan in a Women's Wheelchair Final match on day 10 of the 2021 Australian Open, in Melbourne, Australia. She mistakenly thought that the tie break was the first to 7 points instead of 10. She subsequently won the match. Photo Sydney Low.