Use 'match up' when precision or exactness is a key factor in the comparison.

Precision Needed

Highlighting discrepancies often uses 'doesn't match up' to signal a mismatch or problem.

Detect Differences

'Match up' implies suitability or compatibility between paired items or people.

Use 'match up' to refer to the action of making something complete by finding its pair or complement.

'Match up' can mean organizing a competition where the strengths and weaknesses of opponents are considered.

When planning games, 'match up' is often used to refer to the pairing of players or teams accordingly.

Preceding a game or contest, 'match up' can be used to discuss potential outcomes or expectations.