The most common and most likely answer to this crossword clue is the 9 letter word ASTROTURF
I've seen this crossword clue in The Times
A
S
T
R
O
T
U
R
F
More clues leading to the result ASTROTURF
- Surface for playing on a run amid waves
- RAF tutors bombing surface
- Jittery start for United – might that be played on?
- Horse’s pace maintained by a swell synthetic surface material
- Furrow turns up in a frost-affected playing surface
- Start with four cracks in synthetic blades
- Four start going off such a surface
- Four tarts weaved artificial grass
- Artificial sports surface for a trust vandalised
- Surface where amateur has to ride in foam
Buddy explains!

The straight part
We know that "Surface for playing on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case surface for playing on = astroturf.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ASTROTURF mean?
ASTROTURF noun- A synthetic material used in sports grounds as a durable substitute for natural grass.
- To cover with an artificial grass-like material.
- (usually lowercase) To fabricate an impression of political support for an agenda. See astroturfing.