This is a polymarket on the tennis match between Joao Fonseca and Botic van de Zandschulp in the European Open, scheduled for October 13 at 5:00AM ET. This market will resolve to 'Fonseca' if Joao Fonseca advances against Botic van de Zandschulp. This market will resolve to 'Zandschulp' if Botic van de Zandschulp advances against Joao Fonseca. 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 ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve in favor of the player(s) who officially advances to the next round. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.