Ahn - U.S. Open
19Played11 - 8win/loss
2021 - U.S. Open
-
Yuki NaitoY.NaitoJPN Loss
- 6-4 3-6 6-3
- q1
-
24 Aug 21
L
2020 - U.S. Open
-
Serena WilliamsS.WilliamsUSA Loss
- 7-5 6-3
- 1st
-
01 Sep 20 L
2019 - U.S. Open
-
Elise MertensE.MertensBEL Loss
- 6-1 6-1
- 4th
-
02 Sep 19 L
-
Jelena OstapenkoJ.OstapenkoLAT
- 6-3 7-5
- 3rd
-
31 Aug 19 W
-
Anna KalinskayaA.KalinskayaRUS
- 6-2 6-3
- 2nd
-
29 Aug 19 W
-
Svetlana KuznetsovaS.KuznetsovaRUS
- 7-5 6-2
- 1st
-
27 Aug 19 W
2018 - U.S. Open
-
Ons JabeurO.JabeurTUN Loss
- 6-1 6-2
- q2
-
23 Aug 18
L
-
Katarina ZavatskaK.ZavatskaUKR
- 6-4 6-3
- q1
-
21 Aug 18
W
2017 - U.S. Open
-
Fangzhou LiuF.LiuCHN Loss
- 6-3 7-5
- q2
-
24 Aug 17
L
-
Katerina StewartK.StewartUSA
- 6-4 7-5
- q1
-
22 Aug 17
W
2016 - U.S. Open
-
Elise MertensE.MertensBEL Loss
- 6-1 6-4
- Q.
-
26 Aug 16
L
-
Kai-Lin ZhangK.ZhangCHN
- 1-6 6-4 6-3
- q2
-
25 Aug 16
W
-
Francesca Di LorenzoF.LorenzoUSA
- 1-6 6-3 6-4
- q1
-
23 Aug 16
W
2009 - U.S. Open
-
Petra MarticP.MarticCRO Loss
- 6-1 6-2
- q2
-
27 Aug 09
L
-
Nathalie VierinN.VierinITA
- 7-5 6-1
- q1
-
26 Aug 09
W
2008 - U.S. Open
-
Dinara SafinaD.SafinaRUS Loss
- 6-3 6-4
- 1st
-
26 Aug 08
L
-
Anna LapushchenkovaA.LapushchenkovaRUS
- 6-4 6-4
- Q.
-
22 Aug 08
W
-
Jelena PandzicJ.PandzicCRO
- 6-1 6-3
- q2
-
21 Aug 08
W
-
Yevheniia SavranskaY.SavranskaUKR
- 6-3 6-2
- q1
-
19 Aug 08
W