Head 2 Head
Win Loss Stats
Sierra
LLWLLLLLWL
Erin Kiernan
2026
2025
2024
21 - 25
0 - 0
8-17
Hard
0-0
9-5
Clay
0-0
4-3
Grass
0-0
-
09 Oct 19
-
W15 Buenos Aires -
-
Clay
Latest Tonic News
-
WTA SAO PAULO DRAW, PRIZE MONEY. Annie Fernandez, Badosa, Sierra, Blinkova are the leaders
-
“It’s never over until it’s over,” Casper Ruud battles past Francisco Cerundolo at Laver Cup
-
“It was a quick yes from me,” Brandon Nakashima reflects on late call-up and clutch Laver Cup win
-
“My knee is not there,” Jannik Sinner withdraws from China Open ahead of Milan Fashion Week appearance
Solana Sierra
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 21-25 | 8-17 | 9-5 | 0-0 | 4-3 | 0-0 |
| 2025 | 47-21 | 9-9 | 32-9 | 1-1 | 5-2 | 0-0 |
| 2024 | 52-20 | 11-8 | 41-11 | 0-0 | 0-1 | 0-0 |
| 2023 | 57-23 | 3-2 | 54-21 | 0-0 | 0-0 | 0-0 |
| 2022 | 35-13 | 14-0 | 21-13 | 0-0 | 0-0 | 0-0 |
| 2021 | 5-5 | 3-1 | 2-4 | 0-0 | 0-0 | 0-0 |
| 2020 | 4-4 | 4-4 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2019 | 5-3 | 0-0 | 5-3 | 0-0 | 0-0 | 0-0 |
| 2018 | 1-2 | 0-0 | 1-2 | 0-0 | 0-0 | 0-0 |
| Total | 227-116 | 52-41 | 165-68 | 1-1 | 9-6 | 0-0 |
Ankara
-
Deniz DilekD.DilekTUR Loss
- 6-3 6-3
- 1st
-
23 Sep 26
Sao Paulo
-
Suzan LamensS.LamensNED Loss
- 6-3 6-2
-
2nd
-
17 Sep 26
-
Cadence BraceC.BraceCAN
- 6-4 3-6 6-1
-
1st
-
16 Sep 26
New York
-
Elina SvitolinaE.SvitolinaUKR Loss
- 6-1 6-2
-
1st
-
30 Aug 26
Cincinnati
-
Aoi ItoA.ItoJPN Loss
- 6-1 6-1
- q1
-
11 Aug 26
Toronto
-
Sloane StephensS.StephensUSA Loss
- 6-3 6-4
-
1st
-
03 Aug 26
Memphis
-
Tatiana ProzorovaT.ProzorovaRUS Loss
- 6-1 5-7 6-2
-
1st
-
27 Jul 26
London
-
Cori GauffC.GauffUSA Loss
- 6-3 3-6 7-67
-
2nd
-
01 Jul 26
-
Anna BondarA.BondarHUN
- 6-3 5-7 7-5
- 1st
-
29 Jun 26
Bad Homburg
-
Qinwen ZhengQ.ZhengCHN Loss
- 7-5 4-6 6-4
- 1st
-
22 Jun 26
Emma Erin Kiernan
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 0-0 | - | - | - | - | - |
| 2025 | 0-0 | - | - | - | - | - |
| 2024 | 0-0 | - | - | - | - | - |
| 2023 | 0-0 | - | - | - | - | - |
| 2022 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2020 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2019 | 2-5 | 0-0 | 2-5 | 0-0 | 0-0 | 0-0 |
| 2018 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 2-5 | 0-0 | 2-5 | 0-0 | 0-0 | 0-0 |
H2H Ranking live progression
