Tennis tournament category containing the Australian Open, French Open, Wimbledon and US Open

Think it. Then flip it. ahamoraTap to reveal Back to the cue

SportsOne small aha

Your new ahaGrand Slam

The four major tennis tournaments are played on hard, clay and grass courts. Source: Grand Slam (tennis) ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

19Tennis shot hit before the ball bouncesRECALL
Volley
Tennis
Open this card ↗
20Badminton object struck over the netRECALL
Shuttlecock
Badminton
Open this card ↗
21Badminton's 3 × 21 format · normal target score for a game, before any extensionRECALL
21
At 20–20 a two-point lead is normally needed; at 29–29 the next point wins. The question specifies the scoring format because competition…
Open this card ↗