This is a polymarket on the tennis match between Felix Auger-Aliassime and Gabriel Diallo in the Swiss Indoors Basel, scheduled for October 20 at 4:00AM ET. This market will resolve to 'Auger-Aliassime' if Felix Auger-Aliassime advances against Gabriel Diallo. This market will resolve to 'Diallo' if Gabriel Diallo advances against Felix Auger-Aliassime. 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.