Tennis court with fresh white line marking

Tennis Court Line Marking?

ITF regulation court marking with laser-measured accuracy. Championship, recreational, and club courts. 300+ courts completed since 2009, certification guaranteed.

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Tennis Court Line Marking

Quick answer: Line Marking Australia marks tennis courts to ITF dimensions: 23.77 m long, 10.97 m wide for doubles and 8.23 m for singles, with service lines 6.40 m from the net. We use multi-coat acrylic court paint, lines 25 to 50 mm wide with baselines up to 100 mm, measured to the millimetre for club certification.

Tennis court line marking involves applying precise lines to exact ITF (International Tennis Federation) dimensions including baselines, service lines, centre marks, and singles/doubles sidelines. Professional marking uses multi-coat acrylic paint systems designed specifically for tennis surfaces, providing durability under constant foot traffic, UV exposure, and ball impact. Measurements must be accurate to millimetre precision to meet club certification and tournament standards.

Before we paint

We check the surface for cracks, moss and worn coating, measure with lasers, and mark chalk pilot lines for you to approve. Many clubs add pickleball lines on the same court. See our pickleball court line marking, multi-sport court line marking and sports court line marking pages.

Building a new tennis court?

Line Marking Australia also builds new tennis courts from the ground up: site checks, base and slab, surface, line marking, posts, nets, fencing and lighting, with council and safety compliance on every job. See tennis court construction for sizes, surfaces, costs and approvals. New tennis courts start from about $40,000 (Oneflare cost guide, 2026), and worn courts can be resurfaced.

Standards and council rules we follow for tennis courts

  • ITF Rules of Tennis, used by Tennis Australia: a 23.77 m by 10.97 m doubles court, with singles sidelines 8.23 m apart.
  • Service lines 6.40 m from the net, a centre service line and a centre mark on each baseline.
  • Lines 25 mm to 50 mm wide, and the baseline up to 100 mm wide.
  • ITF guidance on run-off behind the baselines and beside the sidelines, checked against the site before marking.
  • Tennis Australia court guidelines and the surface maker's paint specification for acrylic and synthetic grass courts.

Council and site rules on every court and field job

  • Approval first. On council reserves, school grounds and club facilities we work only with the owner's written approval, plus a works permit where the council asks for one, and we follow the council's open space and reserve conditions.
  • Safety paperwork. A Safe Work Method Statement and site induction under the Model WHS Regulations, with the work area coned or fenced off until the paint has cured.
  • Insurance. Certificates of currency for public liability and workers compensation, at the level the council, school or club specifies.
  • Working with children. On school and childcare sites our crews hold the state check, such as a Working with Children Check or Queensland blue card.
  • Stormwater. No paint, wash water or grit goes into drains, in line with state EPA rules. We contain wash water and take waste away.
  • Right paint for the surface. Court paint the surface maker approves, so your surface warranty stays intact, and grass-safe line paint on turf.
  • Hours and bookings. Work is timed around council noise local laws and the club, school or council booking calendar.
Brushing the centre service line T on a country tennis club court
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Compliance Standards

ITF Court Dimensions & Specifications

International Tennis Federation (ITF) Rules of Tennis: Court must be 23.77m long, 10.97m wide for doubles (8.23m for singles), with service boxes 6.40m deep. Lines are 25-50mm wide, except baselines, which can be up to 100mm.

Tennis Surface Coating Systems

ITF Technical Department Guidelines: Acrylic coating systems must meet ITF standards for colour, texture, slip resistance, and ball bounce characteristics.

Line Marking Paint Specifications

Tennis Australia Facility Guidelines: Court paint must be UV-stabilized acrylic specifically formulated for tennis surfaces with anti-slip properties and weather resistance.

Court Surface Slip Resistance

AS 4586:2013: Tennis court surfaces including painted lines must maintain appropriate slip resistance classification for player safety during dynamic movement.

Accessible Tennis Court Design

AS 1428.1:2021: Tennis facilities providing accessible courts must meet specific gradient, surface, and approach requirements.

Sports Facility Lighting & Visibility

AS 2560.2.3:2002: Court line visibility requirements under various lighting conditions for night play and indoor facilities.

Fully Compliant & Certified

Every court and field is marked to the official dimensions for the sport and level of play

Official Dimensions

Measured and set out first

$20M Public Liability

$10M Professional Indemnity

5,000+ Projects

Since 2009

Fixed Prices

Not Estimates

Court & field layouts

Governing-Body Dimensions

Lines are set out to the sport's published dimensions, such as Tennis Australia, Basketball Australia, Netball Australia or the AFL, then checked before painting.

AS 4586

Slip Resistance

Line paints are chosen so markings stay safe to run on and don't become slippery when wet.

Colour contrast

Clear, Separate Sports

Where one surface carries several sports, each set of lines uses a contrasting colour so players can read their own court.

“Six tennis courts remarked to competition standard. They measured twice with lasers, got our approval on pilot lines, then committed. Not a single dimension issue. Club certification passed first inspection. No drama.”

Moorabbin, VIC

Tennis Club President

“Entire playground remarked during Easter holidays. Basketball courts, netball courts, handball squares, running track. Kids came back to completely fresh markings. Five days, zero disruption to term. Exactly what we needed.”

Keysborough, VIC

School Business Manager

Results based on typical project outcomes. Individual results may vary.

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Call: 0417 460 236

Jamie (24/7 quotes): 0468 069 002

Frequently Asked Questions

Extremely accurate for club certification or tournament use. ITF specifications allow virtually no tolerance. The court must be 23.77m long (measured to the outside edges of the baselines). Not 23.80m, not 23.75m. Exactly 23.77m. Doubles width must be 10.97m (measured to the outside edges of the sidelines). Singles width must be 8.23m. Service line must be exactly 6.40m from the net. We learned this the expensive way in 2018. A tennis club in Moorabbin asked us to remark their championship court. We were 35mm out on one baseline. Doesn't sound like much, right? Wrong. The court failed club certification. We had to grind off everything and redo the entire court at our cost. Around $4,500 gone. That expensive lesson taught us our current process: measure twice with lasers, mark pilot lines in chalk, get club approval, then commit to paint. We haven't had a measurement issue since.

Tennis-specific acrylic is formulated to flex with court movement (concrete and asphalt expand/contract with temperature changes), resist UV degradation from constant sun exposure, handle abrasive impact from thousands of ball bounces, and maintain colour consistency for years. Standard line marking paint doesn't have these properties. It cracks, fades to pink or grey within 18 months, and peels at edges where balls impact repeatedly. A private court in Toorak had us repaint using standard road marking paint to save money. By the second summer, baselines were cracking and fading badly. We stripped everything and remarked with proper tennis acrylic. Four years later those lines still look excellent. Tennis acrylic costs about 40% more than standard paint but lasts 3-4 times longer on tennis surfaces.

Absolutely, and we recommend it strongly. Full-size courts (10.97m wide) should have both doubles sidelines (outer lines) and singles sidelines (inner lines, 8.23m apart). This lets your court handle both game formats without temporary tape lines or confusion. Many budget projects mark only doubles lines to save money. Then members playing singles can't see proper boundaries and either avoid singles games or tape temporary lines before every match. Marking both line sets during initial installation costs maybe 20% more than doubles-only but adds massive functionality. We mark singles sidelines in exactly the same paint system as doubles lines for consistent visibility and wear patterns.

For a single court in good condition (clean, dry surface), plan on 6-8 hours for complete marking including preparation time. We typically schedule tennis courts as single-day projects, starting early morning (7am-8am) to maximize curing time before afternoon heat or evening dew. The sequence: surface preparation and cleaning (1-2 hours), laser measuring and chalk layout (1 hour), first coat application (2 hours), drying time, second coat application (2 hours), final curing. Multiple courts obviously take longer. A tennis club with four courts needs 2-3 days depending on weather conditions. We won't rush tennis courts. Precision matters more than speed, and proper curing between coats is non-negotiable.

Line marking won't fix structural problems. If your court has significant cracking (wider than 3mm), surface delamination, or drainage issues, you need repairs before remarking. We assess the surface during quote stage and provide honest recommendations. Minor hairline cracks (under 2mm) can be filled and sealed before marking. Moderate cracks need routing out, filling with crack filler, and allowing cure time before marking. Major damage (alligatoring, large sections lifting, failed drainage causing ponding) requires professional resurfacing with new acrylic coating systems. A tennis club in Bentleigh asked us to remark courts with extensive cracking. We explained that marking over damaged surfaces would look terrible within months as cracks telegraphed through new lines. They authorized proper repairs first. The total cost was higher but the result looks excellent three years later.

Yes. Standard is white lines on green courts (most common in Australia) or white lines on red clay courts. But we can mark lines in other colours if you want: yellow, blue, or red lines on contrasting court surfaces. Some schools want their colours incorporated. Private courts sometimes want custom logos or family crests painted at centre court or behind baselines. These custom elements use the same tennis-grade acrylic paint systems for consistent durability. A private court in Brighton wanted their family crest painted at centre court with custom blue and gold sidelines matching their house colours. We designed the layout, received their approval, and delivered exactly what they envisioned. The court looks unique while maintaining proper ITF dimensions for serious play.

Recent Projects

Real tennis court line marking? projects completed by our team.

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