S. Costoulas comes into this match in difficult form — 2 wins from the last 5. Point margins have been modest — DS averaging +5.7. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.8/10, leaving S. Costoulas vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — S. Costoulas has been losing the important points, with a BP efficiency of -11 over recent matches.