Name one of golf's four men's majors or tennis's four Grand Slam tournaments: rare answers

We accept 8 answers to “Name one of golf's four men's majors or tennis's four Grand Slam tournaments” in our Krillion practice game. Most players reach for French Open, Wimbledon and The Masters, which keeps them near the surface. Deep cuts such as PGA Championship score 85 points.

Play unlimited Krillion dives to test yourself on this prompt and others like it.

Accepted answers: 8
Category: Sports
Deep answers (85–100 pts): 1 (13%)
Alternate spellings accepted: 7 answers
First letters: 7 different; U is the most common (2)

🦑 Midnight Zone: 1 answer (13%), 85 pts each
🐠 Twilight Zone: 2 answers (25%), 60 pts each
🐟 Sunlit Zone: 1 answer (13%), 30 pts each
🌊 Surface: 4 answers (50%), 10 pts each

The rarest answers

This list has no Abyssal tier, so the Midnight Zone is as deep as it goes: PGA Championship, worth 85 points each.

🦑 Midnight Zone answers (85 points)

PGA Championship

🐠 Twilight Zone answers (60 points)

US Open (tennis), U.S. Open (golf)

🐟 Sunlit Zone answers (30 points)

Australian Open

🌊 Surface answers (10 points)

French Open, Wimbledon, The Masters, The Open Championship

Other spellings we accept

Type any of these and the game counts it as the same answer. Small typos are forgiven on longer answers too.

PGA Championship: US PGA, USPGA
US Open (tennis): U.S. Open tennis
U.S. Open (golf): US Open golf
French Open: Roland Garros
Wimbledon: Wimbledon Championships, The Championships
The Masters: Masters Tournament, US Masters
The Open Championship: The Open, British Open

Rarity tiers are our own estimate of how few people would think of each answer. For strategy, read how to find One in a Krillion answers.