M. Kostyuk comes into this match in difficult form — 2 wins from the last 5. Form is mixed — DS ranging from -11.1 to 13.1, with at least one match where M. Kostyuk was clearly outplayed. The serve has been a concern — averaging only 5.7/10, leaving M. Kostyuk vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — M. Kostyuk has been losing the important points, with a BP efficiency of -18 over recent matches.

E. Rybakina shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 32. Point margins have been modest — DS averaging +5.7. Wins have been functional rather than dominant. The serve has been a concern — averaging only 6.3/10, leaving E. Rybakina vulnerable on second serve and facing frequent return pressure. Break point efficiency has been exceptional (+30) — converting opportunities and shutting down threats at the critical moments.