
Courts
Why Tennis Courts Have Lines Outside the Singles Sidelines
Tennis court lines outside the singles sidelines mark the doubles alleys. Learn which boundary applies to each format…
The surfaces, lines and settings that give a tennis court its character.

Tennis court lines outside the singles sidelines mark the doubles alleys. Learn which boundary applies to each format…
Tennis is shaped by the spaces around play as much as by the points themselves. We look closely at the details that make each setting distinctive.