Ekaterina Alexandrova defeated Kateřina Siniaková 6–4, 6–2 in the semi-final of the WTA 250 Seoul tournament on hard court, confirming her status as the pre-match favourite with odds of 1.5 to Siniaková's 2.72. Alexandrova controlled the encounter throughout, breaking serve consistently and maintaining her composure across both sets to advance to the final. The Russian's dominant performance underlined her superiority on the day, with Siniaková unable to mount a sustained challenge despite starting competitively in the opening set. Alexandrova's progression to the Seoul final represents a significant step towards claiming a title on the WTA 250 circuit.