Thursday's Stuttgart round of 16 pits Frances Tiafoe against Rinky Hijikata on grass. Frances Tiafoe has won 7 of the last 10. Rinky Hijikata comes in at 6 wins from the last ten.

Frances Tiafoe has had the better of this rivalry, winning 3 of 4 against Rinky Hijikata. On grass specifically it reads 1-0 Hijikata — worth more than the overall number this week.

Hold strength tells the story — 72.1% versus 68.9% on first-serve points in Tiafoe's favor. Little separates them; Tiafoe gets the nod on the finest of margins.