- Grenier vs. Harris: Set 1 Games O/U 8.544¢
- Grenier vs. Harris: Set 1 Games O/U 9.554¢
- Grenier vs. Harris: Set 2 Games O/U 8.550¢
- Game Spread: Harris (-0.5) vs Grenier (+0.5)53¢
- Grenier vs. Harris: Set 1 Games O/U 10.562¢
- Set 2 Winner: Grenier vs Harris43¢
- Grenier vs. Harris: Set 2 Games O/U 9.550¢
- Hugo Grenier vs. Billy Harris: Total Sets O/U 2.543¢
- Cassis: Hugo Grenier vs Billy Harris42¢
- Cassis: Completed Match: Hugo Grenier vs Billy Harris50¢
- Set Handicap: Grenier (-1.5) vs Harris (+1.5)24¢
- Set Handicap: Harris (-1.5) vs Grenier (+1.5)35¢
This market refers to the tennis match between Hugo Grenier and Billy Harris in the Cassis, originally scheduled for September 7, 2026 at 5:00AM ET. This market will resolve to 'Hugo Grenier' if Hugo Grenier advances against Billy Harris. This market will resolve to 'Billy Harris' if Billy Harris advances against Hugo Grenier. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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.
Billy Harris enters the Cassis Challenger first-round matchup against Hugo Grenier as the clear favorite, holding the No. 161 ranking and No. 7 seed while Grenier sits at No. 243. The Brit recently defeated the Frenchman 6-2, 7-6(3) on hard courts in the Manacor Challenger just days earlier, extending his edge in recent hard-court encounters. Harris also claimed the Cassis title the prior year, adding familiarity on the outdoor hard surface. Grenier’s 2026 record stands at 10-20 with limited momentum after early exits at Winston-Salem and other stops. Traders’ implied probabilities reflect Harris’s superior ranking, seeding, and head-to-head form, though both players have shown vulnerability in extended sets on this surface.