Third seed Naomi Osaka of Japan came from a set down to defeat Italy’s Elisabetta Cocciaretto 4–6, 6–4, 6–3 in the quarter-finals of the Mubadala Citi DC Open 2026 on 31 July 2026. Competing on the John A. Harris Grandstand Court in Washington, D.C., Osaka recovered after dropping the opening set to secure a hard-fought victory and advance to the WTA 500 semi-finals.
Cocciaretto made the stronger start, playing confidently from the baseline and applying constant pressure on Osaka’s serve. The Italian converted a crucial break late in the opening set and held firm to take it 6–4, moving within one set of the final four.
Osaka responded with greater aggression in the second set, improving the consistency of her first serve and dictating more of the baseline exchanges. The Japanese star capitalized on key opportunities to edge the set 6–4, leveling the contest and shifting the momentum in her favor.
The deciding set saw Osaka continue to raise her level. She controlled the tempo with powerful groundstrokes and composed shot selection, gradually pulling away from Cocciaretto. Closing out the final set 6–3, Osaka completed the comeback and booked her place in the semi-finals.
Standout Performances
- Naomi Osaka (Japan): Defeated Elisabetta Cocciaretto 4–6, 6–4, 6–3.
- Elisabetta Cocciaretto (Italy): Claimed the opening set before Osaka mounted a comeback.
- Round: Women’s Singles Quarter-finals.
- Seed: No. 3.
- Result: Naomi Osaka advanced to the semi-finals.
Turning Point
After losing the opening set, Osaka elevated her level in the second, winning the key points to level the match. She carried that momentum into the deciding set, where her aggressive baseline play proved decisive.
Match Statistics
- Tournament: Mubadala Citi DC Open 2026 (WTA 500)
- Category: Women’s Singles
- Round: Quarter-finals
- Date: 31 July 2026
- Venue: Washington, D.C., USA
- Court: John A. Harris Grandstand Court
- Surface: Hard
- Winner: Naomi Osaka (Japan)
- Runner-up: Elisabetta Cocciaretto (Italy)
- Final Score: 4–6, 6–4, 6–3
- Result: Naomi Osaka advanced to the semi-finals.