The most common and most likely answer to this crossword clue is the 8 letter word COURTING
I've seen this crossword clue in The Guardian
C
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More clues leading to the result COURTING
Buddy explains!

The straight part
We know that "trying to win hand" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case trying to win hand = courting.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 COURTING mean?
COURTING verb- To seek to achieve or win.
- To risk (a consequence, usually negative).
- To try to win a commitment to marry from.
- To engage in behavior leading to mating.
- To attempt to attract.
- To attempt to gain alliance with.
- To engage in activities intended to win someone's affections.
- To engage in courtship behavior.
- To invite by attractions; to allure; to attract.
- Courtship; amorous advances