Knapp - U.S. Open
18Played9 - 9win/loss
3rd1
(2013)
2nd2
(2007, 2015)
1st4
(2008, 2011, 2014, 2016)
Q1
(2006)
Q11
(2012)
2016 - U.S. Open
Hard
-
Johanna LarssonJ.LarssonSWE Loss
- 6-4 6-2
- 1st
-
30 Aug 16
L
2015 - U.S. Open
Hard
-
Angelique KerberA.KerberGER Loss
- 7-5 6-2
- 2nd
-
03 Sep 15
L
-
Ajla TomljanovicA.TomljanovicAUS
- 6-71 6-2 6-4
- 1st
-
01 Sep 15
W
2014 - U.S. Open
Hard
-
Tsvetana PironkovaT.PironkovaBUL Loss
- 6-4 6-3
- 1st
-
25 Aug 14
L
2013 - U.S. Open
Hard
-
Roberta VinciR.VinciITA Loss
- 6-4 6-3
- 3rd
-
31 Aug 13
L
-
Elena VesninaE.VesninaRUS
- 6-1 6-4
- 2nd
-
29 Aug 13
W
-
Grace MinG.MinUSA
- 6-3 6-1
- 1st
-
27 Aug 13
W
2012 - U.S. Open
Hard
-
Anastasija SevastovaA.SevastovaLAT Loss
- 6-4 7-63
- q1
-
21 Aug 12
L
2011 - U.S. Open
Hard
-
Anabel Medina GarriguesA.GarriguesESP Loss
- 6-74 6-4 6-3
- 1st
-
29 Aug 11
L
-
Michelle Larcher De BritoM.BritoPOR
- 4-6 6-2 7-61
- Q.
-
26 Aug 11
W
-
Aleksandra KrunicA.KrunicSRB
- 6-0 7-5
- q2
-
25 Aug 11
W
-
Elena BogdanE.BogdanROU
- 1-6 6-3 6-2
- q1
-
23 Aug 11
W
2008 - U.S. Open
Hard
-
Iveta BenesovaI.BenesovaCZE Loss
- 6-0 6-3
- 1st
-
25 Aug 08
L
2007 - U.S. Open
Hard
-
Ahsha RolleA.RolleUSA Loss
- 3-6 6-4 6-3
- 2nd
-
29 Aug 07
L
-
Latisha ChanL.ChanTPE
- 6-2 6-0
- 1st
-
27 Aug 07
W
2006 - U.S. Open
Hard
-
Stephanie DuboisS.DuboisCAN Loss
- 6-4 6-1
- Q.
-
25 Aug 06
L
-
Aleksandra WozniakA.WozniakCAN
- 6-4 6-2
- q2
-
24 Aug 06
W
-
Diana OspinaD.OspinaUSA
- 6-4 7-5
- q1
-
22 Aug 06
W