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This market refers on the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 17 at 7:00PM ET.

This market will resolve to 'Gaston' if Hugo Gaston advances against Jannik Sinner.

This market will resolve to 'Sinner' if Jannik Sinner advances against Hugo Gaston.

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.

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Grand Slam statistics.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Total Sets: O/U 2.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Set 1 O/U 9.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Set 1 O/U 10.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Grand Slam results.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Set 1 O/U 8.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 4. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Grand Slam statistics.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Total Sets: O/U 3.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 37. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Grand Slam statistics.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Match O/U 36.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 39. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Grand Slam statistics.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Match O/U 38.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 41. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Grand Slam statistics.

Australian Open Men's: Hugo Gaston vs Jannik Sinner Match O/U 40.5

This market refers to the tennis match between Hugo Gaston and Jannik Sinner in the Australian Open ATP, scheduled for January 18 2026.
This market will resolve to “Gaston” if Hugo Gaston wins the first set. It will resolve to “Sinner” if Jannik Sinner wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Grand Slam match statistics.

Moneyline
$37.9k Vol.

Total Sets
$317 Vol.

Total Games
$42 Vol.

1st Set

1st Set Winner
$2.3k Vol.

1st Set Total Games
$32 Vol.

ATP

Jannik Sinner vs. Hugo Gaston Betting Odds & Predictions (Jan. 17, 2026) | Polymarket

Moneyline$37.9k Vol.gaston1.5¢sinner98.9¢

Total Sets$317 Vol.O2.593¢U2.548¢2.53.5

Total Games$42 Vol.O40.571¢U40.598¢36.538.540.5