Head 2 Head
Win Loss Stats
Tjen
LWLLWLWLLW
Mertens
LWWLWWWLLW
2026
2025
2024
17 - 25
30 - 18
13-15
Hard
17-10
2-5
Clay
6-4
2-5
Grass
7-4
Latest Tonic News
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“I wouldn’t say it’s a huge injury,” Naomi Osaka plays down Achilles problem after beating Mertens
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“It’s a nice contrast,” Elise Mertens balances New York intensity with home meadow and sheep
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“Our match in Cincinnati was really tough,” Mirra Andreeva reflects after beating Janice Tjen at the US Open
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“I have to announce that I won’t be able to participate in Billie Jean King Cup this year,” Elena Rybakina withdraws after grueling stretch
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Janice Tjen
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 17-25 | 13-15 | 2-5 | 0-0 | 2-5 | 0-0 |
| 2025 | 77-15 | 72-15 | 0-0 | 5-0 | 0-0 | 0-0 |
| 2024 | 41-3 | 28-2 | 13-1 | 0-0 | 0-0 | 0-0 |
| 2023 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2022 | 7-3 | 7-3 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2020 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2019 | 1-2 | 1-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 143-49 | 121-38 | 15-6 | 5-0 | 2-5 | 0-0 |
Guadalajara
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Sloane StephensS.StephensUSA Loss
- 7-64 7-63
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2nd
-
15 Sep 26
-
Darja VidmanovaD.VidmanovaCZE
- 7-66 6-2
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1st
-
13 Sep 26
New York
-
Mirra AndreevaM.AndreevaRUS Loss
- 6-2 6-2
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1st
-
01 Sep 26
Monterrey
-
Yuliia StarodubtsevaY.StarodubtsevaUKR Loss
- 6-4 6-3
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2nd
-
25 Aug 26
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Dayana YastremskaD.YastremskaUKR
- 2-6 6-3 7-65
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1st
-
24 Aug 26
Cincinnati
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Mirra AndreevaM.AndreevaRUS Loss
- 6-1 7-65
- 3rd
-
18 Aug 26
-
Viktorija GolubicV.GolubicSUI
- 7-68 5-7 7-5
-
2nd
-
16 Aug 26
Toronto
-
Liudmila SamsonovaL.SamsonovaRUS Loss
- 7-69 7-5
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1st
-
03 Aug 26
Washington
-
Anna KalinskayaA.KalinskayaRUS Loss
- 1-6 6-3 7-67
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2nd
-
30 Jul 26
-
Rebecca SramkovaR.SramkovaSVK
- 6-4 6-2
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1st
-
27 Jul 26
Elise Mertens
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 30-18 | 17-10 | 6-4 | 0-0 | 7-4 | 0-0 |
| 2025 | 36-20 | 17-13 | 6-5 | 5-0 | 8-2 | 0-0 |
| 2024 | 28-25 | 18-15 | 6-5 | 1-1 | 3-4 | 0-0 |
| 2023 | 30-22 | 24-16 | 5-4 | 0-0 | 1-2 | 0-0 |
| 2022 | 29-23 | 19-14 | 4-3 | 2-2 | 4-4 | 0-0 |
| 2021 | 33-20 | 20-10 | 9-5 | 2-2 | 2-3 | 0-0 |
| 2020 | 34-13 | 17-7 | 9-4 | 8-2 | 0-0 | 0-0 |
| 2019 | 35-27 | 23-14 | 4-6 | 1-3 | 7-4 | 0-0 |
| 2018 | 46-21 | 25-13 | 16-2 | 1-2 | 4-4 | 0-0 |
| 2017 | 43-25 | 20-12 | 13-6 | 9-3 | 1-4 | 0-0 |
| 2016 | 44-28 | 21-11 | 4-6 | 8-7 | 9-3 | 2-1 |
| 2015 | 41-25 | 10-5 | 26-13 | 1-2 | 3-3 | 1-2 |
| 2014 | 52-25 | 39-15 | 8-5 | 5-5 | 0-0 | 0-0 |
| 2013 | 29-5 | 24-3 | 0-2 | 5-0 | 0-0 | 0-0 |
| 2012 | 3-1 | 3-1 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 513-298 | 297-159 | 116-70 | 48-29 | 49-37 | 3-3 |
New York
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Naomi OsakaN.OsakaJPN Loss
- 6-3 3-6 7-5
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3rd
-
05 Sep 26
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Maria TimofeevaM.TimofeevaUZB
- 6-2 7-65
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2nd
-
03 Sep 26
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Kaitlin QuevedoK.QuevedoESP
- 6-4 6-4
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1st
-
01 Sep 26
Monterrey
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Diane ParryD.ParryFRA Loss
- 6-4 0-6 6-3
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Fin.
-
29 Aug 26
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Nikola BartunkovaN.BartunkovaCZE
- 1-6 6-4 6-2
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1/2
-
28 Aug 26
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Yuliia StarodubtsevaY.StarodubtsevaUKR
- 6-1 6-4
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1/4
-
27 Aug 26
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Panna UdvardyP.UdvardyHUN
- 6-1 4-6 6-3
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2nd
-
26 Aug 26
Cincinnati
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Diane ParryD.ParryFRA Loss
- 2-6 6-2 6-2
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2nd
-
15 Aug 26
Toronto
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Naomi OsakaN.OsakaJPN Loss
- 6-1 6-2
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3rd
-
07 Aug 26
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Anna BondarA.BondarHUN
- 3-6 6-4 6-4
- 2nd
-
05 Aug 26
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