Serena Williams def. Qiang Wang — Quarterfinal, US Open 2019

4–0

Hard

4–0

2–1

Clay

1–1

6–1

Grass

2–1

1–0

QF

–

1–0

SF

–

12–2

At Grand Slams

7–2

14

Completed matches

9

57%

Won in straight sets

78%

29%

Won after losing a set

0%

0%

Lost after winning a set

11%

14%

Lost in straight sets

11%

–

Tiebreaks

2–0

4–0

Deciding sets

0–1

9/9

Won after winning set 1

7/7

3/5

Won after losing set 1

0/2

4

Matches

4

9

Sets

8

2

Days since last match

2