- Heide vs. Mena: Set 1 Games O/U 8.541¢
- Heide vs. Mena: Set 2 Games O/U 8.550¢
- Gustavo Heide vs. Facundo Mena: Total Sets O/U 2.533¢
- Porto: Gustavo Heide vs Facundo Mena75¢
- Porto: Completed Match: Gustavo Heide vs Facundo Mena50¢
- Set 1 Winner: Heide vs Mena70¢
- Heide vs. Mena: Set 1 Games O/U 10.557¢
- Heide vs. Mena: Set 2 Games O/U 10.550¢
- Heide vs. Mena: Match O/U 21.547¢
- Set Handicap: Heide (-1.5) vs Mena (+1.5)54¢
- Set 2 Winner: Heide vs Mena50¢
- Heide vs. Mena: Set 2 Games O/U 9.550¢
This market refers to the tennis match between Gustavo Heide and Facundo Mena in the Porto, originally scheduled for September 5, 2026 at 7:25AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Facundo Mena. This market will resolve to 'Facundo Mena' if Facundo Mena advances against Gustavo Heide. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 2026, 11:59 PM ET (14 days after the scheduled start), 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 ATP Tour. A consensus of credible reporting may also be used.
Gustavo Heide enters the Porto Challenger semifinal as the clear favorite against Facundo Mena on outdoor red clay, backed by a higher ranking near 130, stronger recent results on the surface, and a 1-0 head-to-head edge that includes a 2025 clay victory. Heide has advanced steadily through the draw with straight-set wins, while maintaining solid 2026 clay form highlighted by a Poznan title run. Mena, ranked outside the top 300, has shown resilience with comeback wins in Porto but faces a significant gap in consistency and overall win rate. Both players compete in best-of-three sets, with no reported injuries or withdrawals affecting the matchup.