A spot in the next round is at stake on Friday, when Jan Lennard Struff goes up against Nuno Borges in the Basel quarterfinal. Nuno Borges is 6-4 across recent matches. Jan Lennard Struff has won 7 of the last 10.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Little separates them; Borges gets the nod on the finest of margins.