This market refers on the tennis match between Nadia Lagaev and Ksenia Efremova in the Australian Open Juniors, Girls, scheduled for January 27 at 7:00PM ET. This market will resolve to 'Lagaev' if Nadia Lagaev advances against Ksenia Efremova. This market will resolve to 'Efremova' if Ksenia Efremova advances against Nadia Lagaev. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the Australian Open. A consensus of credible reporting may also be used.