The most common and most likely answer to this crossword clue is the 7 letter word NOTCHES
I've seen this crossword clue in The Guardian
N
O
T
C
H
E
S
Buddy explains!

The straight part
We know that "Scores" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scores = notches.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 NOTCHES mean?
NOTCHES noun- A V-shaped cut.
- An indentation.
- A mountain pass; a defile.
- A discontinuous change in a taxation schedule.
- A level or degree.
- A portion of a mobile phone that overlaps the edge of the screen, used to house camera, sensors etc. while maximizing screen space.
- To cut a notch in (something).
- To record (a score or similar) by making notches on something.
- To join by means of notches.
- To achieve (something); to add to one's score or record of successes.
- To fit (an arrow) to a bow by means of the notch cut at the end of the arrow; to nock.