The most common and most likely answer to this crossword clue is the 4 plus 5 letter word TEST MATCH
I've seen this crossword clue in The Times
T
E
S
T
M
A
T
C
H
More clues leading to the result TEST MATCH
- Try getting fit for game
- Make sure striker is fit for international?
- Sort of game to try on suit?
- International screen pairing
- Striker on trial for big game
- Check light fixture
- Team leader set off with item that’s struck in sporting fixture
- Try to compare some days of ins and outs?
- Game of cricket put strain on marriage
- Try by rival in international game
Buddy explains!

The straight part
We know that "international" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case international = test match.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.