Jan 13 (Reuters) - Tennis ‌fans in Australia could win A$10 million ($6.71 ‌million) by correctly predicting every match winner at ‌the Australian Open, tournament organisers said on Tuesday.

Dubbed the "Bracket Challenge", organisers are offering the massive payout to anyone who can ‍flawlessly forecast all 127 matches ‍in either the men's ‌or women's singles draw before the tournament begins on ‍Sunday.