Gilles Simon called it quits (in somewhat epic fashion) after going down 3-0 in the second set of his second-round loss to Pablo Carreno Busta. Simon appeared to be in charge of play until an injury flared up midway through the first set. Each book has different rules for tennis wagering, so make sure you always double check the fine print about refunds. With another 16 matches on tap for Day 4 at the Australian Open, let’s poke around tonight’s card.

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