Stuttgart Open: Kostyuk scores big upset against Gauff, fighting back to reach last four
Marta Kostyuk edged out Coco Gauff 3-6, 6-4, 7-6 (6) on Friday evening. She’ll face No 6 seed Marketa Vondrousova in the next round
Zuma / Panoramic
Ukrainian Marta Kostyuk moved into the last four of the Stuttgart Open by edging out American Coco Gauff, the No 3 seed, 3-6, 6-4, 7-6 (6) at the Porsche-Arena.
Kostyuk, ranked No 27, will face No 6 seed Marketa Vondrousova next.
Ahead of her victory, the 21-year-old Ukrainian edged out German wildcard Laura Siegemund (6-3, 6-7 (4), 6-4) and Chinese Qinwen Zheng, the No 5 seed (6-2, 4-6, 7-5).
Gauff, ranked No 3, edged out qualifier Sachia Vickery (6-3, 4-6, 7-5) in the previous round of the Stuttgart tournament.
Stuttgart WTA 500, other quarter-finals results (Porsche-Arena, clay, USD 802.237, most recent results first):
- Iga Swiatek (1) beat Emma Raducanu (WC): 7-6 (2), 6-3
- Marketa Vondrousova beat Aryna Sabalenka (2): 3-6, 6-3, 7-5
- Elena Rybakina (4) beat Jasmine Paolini: 6-3, 5-7, 6-3
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