Naomi Osaka defeated Serena Williams in the final, 6–2, 6–4 to win the women's singles tennis title at the 2018 US Open. It was her first major title. Osaka became the first Japanese to win a major singles title. With the win, she made her top-10 rankings debut.
Sloane Stephens was the defending champion, but lost to Anastasija Sevastova in the quarterfinals.
Simona Halep's first-round loss to Kaia Kanepi marked the first time in the Open Era that the top seed lost in the first round. The losses of Halep in the first round and second seed Caroline Wozniacki in the second round marked the first time that the top two seeds failed to reach the third round, and the second time this happened at any major in the Open Era (following the 2014 French Open).
Kathinka von Deichmann became the first player from Liechtenstein to qualify for the main draw of a major for the first time.
This marked the final major appearance for former world No. 2 and 2015 WTA Finals champion Agnieszka Radwańska, who lost in the first round to Tatjana Maria. This also marked the first main-draw US Open appearance for future two-time champion Aryna Sabalenka, who reached the fourth round and was the only player in the tournament to win a set against Osaka.
Seeds
Qualifying
Draw
Finals
Top half
Section 1
Section 2
Section 3
Section 4
Bottom half
Section 5
Section 6
Section 7
Section 8
Statistics Category S. Williams Osaka 1st serve % 30/55 (55%) 40/55 (73%) 1st serve points won19 of 30 = 63%29 of 40 = 73% 2nd serve points won11 of 25 = 44%6 of 15 = 40% Total service points won30 of 55 = 54.54% 35 of 55 = 63.64% Aces 3 6 Double faults 6 1 Winners2116 Unforced errors 21 14 Net points won 6 of 8 = 75% 0 of 1 = 0% Break points converted 1 of 6 = 17% 4 of 5 = 80% Return points won 20 of 55 = 36% 25 of 55 = 46% Total points won 50 60Source
References
External links Women's Singles main draw 2018 US Open – Women's draws and results at the International Tennis Federation