Tennis Court Dimensions: Official Size Guide 2026

Official tennis court dimensions showing singles and doubles court size, net height, service boxes, and court layout
  • Tennis Court Dimensions Guide

Tennis Court Dimensions are important for players, coaches, schools, sports clubs, and homeowners planning a tennis court. Official court measurements affect gameplay, movement, serving angles, and overall performance. Whether you are building a backyard court or learning the rules, understanding standard tennis court dimensions helps ensure accuracy.

Organizations such as the International Tennis Federation (ITF), ATP, WTA, and Grand Slam tournaments follow standardized court measurements worldwide.

Tennis court dimensions refer to the official measurements of the playing area, including the court length, width, net height, service boxes, baselines, and sidelines.

The overall court size remains the same around the world, although singles and doubles matches use slightly different widths.

  • Tennis Court Dimensions Diagram
FeatureMeasurement
Court Length78 ft (23.77 m)
Singles Width27 ft (8.23 m)
Doubles Width36 ft (10.97 m)
Net Height (Center)3 ft (0.91 m)
Net Height (Posts)3.5 ft (1.07 m)
Service Line Distance21 ft (6.4 m)
Center Service LineDivides service boxes

Tennis uses the same court length for both singles and doubles matches, but the width changes.

Court TypeLengthWidth
Singles Court78 ft27 ft
Doubles Court78 ft36 ft

The extra space on each side of a doubles court is called the doubles alley. Learn more in our complete guide to Inch Measurement.

A standard tennis court includes:

  • Baseline
  • Sidelines
  • Singles sidelines
  • Doubles sidelines
  • Service boxes
  • Center service line
  • Net
  • Doubles alleys

Each line plays an important role in scoring and gameplay.

The tennis net is lower in the center than at the posts.

PositionHeight
Center3 ft (0.91 m)
Posts3.5 ft (1.07 m)

Maintaining the correct net height is essential for official matches.

The service boxes are where serves must land.

FeatureMeasurement
Service Line Distance21 ft (6.4 m)
Service Box Length21 ft
Half Court Width13.5 ft (Singles)

Accurate service box measurements ensure fair play and proper court setup.

A tennis court requires extra space outside the playing area for player movement and safety.

AreaRecommended Space
Behind Baseline18–21 ft
Side Space10–12 ft

For professional tournaments, courts are usually built with larger safety zones.  Explore our detailed Skateboard Dimensions article to compare standard deck measurements and sizing.

If you are building a recreational or backyard tennis court, you may choose a smaller practice court. However, schools, clubs, and professional facilities should follow official ITF dimensions.

Proper measurements improve player safety, game quality, and long-term usability.

The type of court surface affects ball speed and player movement.

SurfaceBest Known For
Hard CourtFast and durable
Clay CourtSlower bounce
Grass CourtFast gameplay
Artificial TurfRecreational courts

Each surface offers a unique playing experience, but the official court dimensions remain the same.

  • Follow official ITF measurements.
  • Measure from the outside edge of the court lines.
  • Keep the net height at 3 ft in the center.
  • Leave enough safety space around the court.
  • Use durable line markings for better visibility.

If a school is building a new tennis court, using the official dimensions of 78 × 36 feet with a 3-foot net height ensures the court is suitable for both singles and doubles matches while meeting international standards.


If you’re looking for board sports measurements, don’t miss our complete Longboard Dimensions guide covering deck length, width, wheelbase, and wheel sizes.

Understanding Tennis Court Dimensions helps players, coaches, schools, and homeowners build or use a court that meets official standards. Whether you’re playing singles, doubles, or practicing at home, using the correct court measurements improves gameplay, safety, and overall performance. 
If you’re looking for Tennis court dimensions, don’t miss our complete Basketball Cout Dimensions covering deck length, width, wheelbase, and wheel sizes.

What are the official tennis court dimensions?

A standard tennis court measures 78 ft (23.77 m) long. It is 27 ft wide for singles and 36 ft wide for doubles.

How high is a tennis net?

The net is 3 ft (0.91 m) high at the center and 3.5 ft (1.07 m) high at the posts.

What is the difference between singles and doubles courts?

The length is the same, but a doubles court is wider because it includes the doubles alleys.

Which organization sets official tennis court dimensions?

The International Tennis Federation (ITF) establishes the official standards used worldwide.

Can I build a smaller tennis court at home?

Yes. Many homeowners build practice courts, but full-size courts should follow official ITF measurements.

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