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Sports

Name a tennis Grand Slam played on hard courts.

Use the playing surfaces of the four Grand Slams in 2024.

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Start with the full category, then apply the exact boundary: Use the playing surfaces of the four Grand Slams in 2024. You only need one qualifying answer. A longer name is not automatically rarer.

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Australian OpenAustralian Open is one of the four tennis Grand Slam tournaments in the 2024 edition.
65

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Shortest accepted input at 65+ points

AO

Australian Open · 65 points · 2 characters

Australian Open is one of the four tennis Grand Slam tournaments in the 2024 edition.

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Australian Open

65 points · Shortest accepted spelling: AO

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2 accepted answers

Australian OpenAustralian Open is one of the four tennis Grand Slam tournaments in the 2024 edition.Aliases: AOShortest accepted input: AO · 2 characters
65 points
US OpenUS Open is one of the four tennis Grand Slam tournaments in the 2024 edition.Aliases: U.S. Open · United States OpenShortest accepted input: US Open · 7 characters
45 points
Rule examples & common mix-ups — may reveal answers
  • Enter a tournament name, not a host city or player. Apply any surface or location restriction before choosing.

These notes explain the question boundary; they are not a ranking of player mistakes.

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Each entry belongs to the bounded set defined by the prompt. The named source supports the underlying facts; our editorial scoring is a separate layer.

Source: ITF · Grand Slam tournaments ↗

Reference version: 2026-09-19. See our answer policy for how we handle aliases and omissions.