Arthur Fils and Frances Tiafoe meet in the round of 16 at Tokyo on Friday. Arthur Fils comes in at 8 wins from the last ten. Frances Tiafoe is 8-2 across recent matches.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Tiafoe comes in off a compressed schedule. A tiebreak or two would surprise nobody, with Fils fractionally more likely to land the big points.