Official ITF Tennis Court Dimensions & Geometry Specs
Standard court layout specifications certified under ITF Rule 1 (The Court) for Grand Slam, ATP Tour, and WTA Tour competitions.
Verified against: ITF Rules of Tennis: Rule 1LAST VERIFIED: 2026-08-01
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TECHNICAL BLUEPRINT: COURT & NET SPECIFICATION
Top-down orthographic CAD projection • Official ITF Rule 1 Scale
Full Doubles Court
23.77 m × 10.97 m
ITF Rules of Tennis, Rule 1: Outer doubles boundary
Official Metric & Imperial Calibration Matrix
| Field Parameter / Boundary | Metric Specification | Imperial Equivalent |
|---|---|---|
| Court Total Length (Baselines) | 23.77 m | 78.0 ft |
| Singles Court Width (Sidelines) | 8.23 m | 27.0 ft |
| Doubles Court Width (Alleyways) | 10.97 m | 36.0 ft |
| Doubles Alley Width (Each side) | 1.37 m | 4.5 ft |
| Service Line Distance from Net | 6.40 m | 21.0 ft |
| Net Height at Center (Strap) | 0.914 m | 3.0 ft (36.0 in) |
| Net Height at Posts | 1.07 m | 3.5 ft (42.0 in) |
| Net Post Distance outside Singles Line (Singles Sticks) | 0.914 m | 3.0 ft |
| Baseline Line Width | Up to 10.0 cm | Up to 4.0 in |
| Run-off Space Behind Baseline (Grand Slam Minimum) | ≥ 6.40 m | ≥ 21.0 ft |
Line Thickness Rule
All boundary markings must be of equal width and are legally part of the area they enclose. A ball on the line is legally in play.
Statutory Governing Authority
Dimensional tolerances are codified under the official rulebook of the governing authority (Tennis) and applied at international championship level.