Anna Blinkova defeated Dayana Yastremska 7–6, 6–2 in the second round of the WTA 250 event in San Diego on hard court, upsetting the pre-match favourite Yastremska. Blinkova, the underdog at 2.27 odds against Yastremska's 1.70, controlled the second set decisively after a competitive opening set decided in a tie-break. The result marks a significant upset and advances Blinkova into the quarter-finals, where she will face a fresh challenge.