S. Sierra shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 80. Point margins have been modest — DS averaging +7.9. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.7/10, leaving S. Sierra vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +13 over the last five.

S. Cirstea shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 150. Form is mixed — DS ranging from -17.0 to 28.3, with at least one match where S. Cirstea was clearly outplayed. The serve has been a concern — averaging only 6.1/10, leaving S. Cirstea vulnerable on second serve and facing frequent return pressure.