Lesia Tsurenko defeated Bianca Andreescu 7–5, 4–0 in the semi-final of the WTA 250 event at Hua Hin on hard court on 4 February 2023, delivering an upset against the pre-match favourite. Andreescu, seeded as the favourite with odds of 1.35, found herself unable to sustain her challenge as Tsurenko, at 3.51, took control of the match from the opening set. After a competitive first set that went to 7–5, Tsurenko dominated the second, establishing a commanding 4–0 lead before the match concluded. The result marked a significant momentum shift for Tsurenko heading into the final, while Andreescu's tournament run ended prematurely despite her pre-match status.