When we started here, last Sunday afternoon, it was impossible to conceive of a final that didn't pit Carlos Alcaraz against Jannik Sinner every competition both have entered this year, one has won, and between them they've taken eight grand slam titles in a row, contesting the last three finals. They are wonderful, they are inevitable, and they are despite their affirming amity and meritorious menschlichkeit vicious, remorseless killers.