The most common and most likely answer to this crossword clue is the 6 plus 5 letter word TENNIS ELBOW
I've seen this crossword clue in The Times
T
E
N
N
I
S
E
L
B
O
W
More clues leading to the result TENNIS ELBOW
- Reason for not making it to court, perhaps
- A complaint associated with those who serve day in day out?
- Player’s problem intense playing with large fiddlestick
- Sporting injury resulting from unusually intense blow
- Unusually intense blow resulting in problem for person serving
- Injury in news to be broadcast about new driver
- Intense blow wrought sporting injury
- Inflammation after game? Be silent now, suffering
- Possible excuse for missing court appearance?
Buddy explains!
The straight part
We know that "A complaint associated with those who serve day in day out?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a complaint associated with those who serve day in day out? = tennis elbow.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.