Open Excel and create a sheet like this:

| A | B | C | D | E | F | G | |---|---|---|---|---|---|---| | Team A | Score | Winner QF1 | Score SF | Winner SF | Final Score | Champion | | Team B | Score | → | → | | | | | Team C | Score | Winner QF2 | Score SF | Winner SF | | | | Team D | Score | → | | | | |