S. Kartal shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 66. Form is mixed — DS ranging from -10.6 to 16.0, with at least one match where S. Kartal was clearly outplayed. The serve has been a concern — averaging only 5.9/10, leaving S. Kartal vulnerable on second serve and facing frequent return pressure.