US Open: Naomi Osaka beats teen Marta Kostyuk, Novak Djokovic extends winning streak | South China Morning Post
Marta Kostyuk (@marta_kostyuk) / Twitter
Marta Kostyuk says "it didn't feel very nice" to watch Emma Raducanu and Leylah Fernandez reach US Open final, but admits their runs were "very inspirational"
Marta Kostyuk makes history as 15-year-old reaches third round - Eurosport
I want to be where they are" - Ukrainian teen Marta Kostyuk found it difficult watching Raducanu and Fernandez shine in New York
WTA Rising Stars...MARTA KOSTYUK (UKR)!
Marta Kostyuk - Home | Facebook
Marta Kostyuk - Home | Facebook
WTA Chicago Open 2021: Marta Kostyuk vs Varvara Gracheva Preview, Head to Head, Prediction and Live Stream » FirstSportz
Marta Kostyuk Tennis Player Profile | ITF
Marta Kostyuk Tennis Player Profile | ITF
Ukrainian Junior Tennis Player Marta Kostyuk in Practice during US Open 2017 Editorial Stock Photo - Image of champion, serve: 100824653
Ukrainian Junior Tennis Player Marta Kostyuk in Practice during US Open 2017 Editorial Image - Image of action, professional: 100824665
Marta Kostyuk happy in Brisbane - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
Kostyuk, Li, McNally lead youth surge in Roland Garros qualifying
Kostyuk routs Raducanu in all-teenage Cluj-Napoca QF; Kontaveit, Halep, Peterson also progress
Marta Kostyuk and the Thrill of the Teen Tennis Phenom | The New Yorker
1,572 Marta Kostyuk Photos and Premium High Res Pictures - Getty Images