F. Sun shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 444. Serve quality has been average (6.6/10) — neither a weapon nor a significant liability. Good performance in key moments — break point efficiency of +18 over the last five.

Y. Uchiyama has been inconsistent recently, going 3–2 over the last five matches. Form is mixed — DS ranging from -13.2 to 22.0, with at least one match where Y. Uchiyama was clearly outplayed. The serve has been a concern — averaging only 6.4/10, leaving Y. Uchiyama vulnerable on second serve and facing frequent return pressure.