Z. Bai shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 122. Form is mixed — DS ranging from -21.4 to 22.0, with at least one match where Z. Bai was clearly outplayed. The serve has been a concern — averaging only 5.5/10, leaving Z. Bai vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +23 over the last five.