In the final of the organization in the capital Madrid, the 23-year-old Ukrainian tennis player faced the 19-year-old Russian tennis player Mirra Andreeva.
The 26th-seeded Ukrainian tennis player became the WTA 1000 champion for the first time by defeating her 9th-seeded Russian opponent 2-0 with sets of 6-3 and 7-5 in the match that lasted 1 hour and 21 minutes.
Kostyuk captured the third title of his career and his first title above the 250 level.
