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Guides

Blue indoor padel court surrounded by glass and metal fencing

Padel

Padel Serve, Glass and Cage Rules

A ball reaching the glass does not automatically end the point. First check whether it was a serve or a rally shot, and where it bounced.

Outdoor pickleball court showing the net and non-volley-zone lines

Pickleball

Pickleball Kitchen and Two-Bounce Rule

The two-bounce rule controls the start of a rally. The kitchen rule controls volleys near the net. Learn the difference before your first game.

Tennis balls resting on racket strings

Tennis

How to Choose Tennis Balls

Choose a ball for your session, learning stage and court surface. Pressureless practice balls and slower learning balls describe different choices.

Player holding a tennis racket on a clay court

Tennis

Babolat Pure Aero 98 vs Pure Drive

Pure Aero 98 Gen9 has a 98 in² head and a 16 × 20 pattern. Pure Drive Gen11 has a 100 in² head and a 16 × 19 pattern; its unstrung weight is 5 g lower.

Close-up of a tennis racket stringbed on a metal bench

Tennis

Softer Tennis Strings for Hard Hitters

Hyper-G Soft, Razor Soft and 4G Soft have different measured stiffness and tension loss. Compare the exact 1.25 mm versions before your next restring.

A player holding a tennis ball above the strings of a racket

Tennis

HEAD iPrestige MP 2.0 vs Prestige MP Limited 2026

The two 2026 Prestige models differ in more than their names. iPrestige MP 2.0 combines a 95 in² head with an 18 × 20 pattern; Prestige MP Limited pairs 99 in² with 16 × 19. Their unstrung weights also differ by 20 g.

Two badminton rackets and a shuttlecock on a concrete surface

Badminton

How to Choose a Badminton Racket

Compare the weight class, grip and shaft flex of an exact racket version, then choose a stringing setup within its range.

A player holding a shuttlecock above a badminton racket before serving

Badminton

Badminton Weight Classes, Grips and Flex

Read 4U, 5U and G5 as separate specifications. Compare balance and flex using the manufacturer’s own definitions.

Shuttlecocks resting on the strings of two badminton rackets

Badminton

Badminton Strings and Tension

Use the stringing range for your exact weight variant. Choose string thickness and tension as separate setup decisions.

Three feather shuttlecocks standing on the ground

Badminton

Feather or Nylon: Choosing a Shuttle Speed

Choose the shuttle type and speed used at your court. Temperature grades belong to a specific shuttle range.