Head 2 Head
Ranking progression
Win Loss Stats
Boulter
WLLWLLWLWL
Stoiana
WWWLWLWWLW
2026
2025
2024
23 - 21
46 - 26
10-11
Hard
22-15
5-1
I Hard
3-1
5-6
Clay
13-6
3-3
Grass
8-4
Latest Tonic News – Katie Boulter and Mary Stoiana
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Katie Boulter reaches Japan Open second round after rain-delayed opener
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LIVE RANKINGS. Golubic improves her ranking ahead of squaring off with Boulter in Osaka
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LIVE RANKINGS. Boulter goes down prior to playing against Golubic in Osaka
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LIVE RANKINGS. Stoiana goes down right before competing against Oliynykova in Osaka
Katie Boulter
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 23-21 | 10-11 | 5-6 | 5-1 | 3-3 | 0-0 |
| 2025 | 22-22 | 9-14 | 8-4 | 1-1 | 4-3 | 0-0 |
| 2024 | 38-23 | 24-12 | 3-6 | 3-2 | 8-3 | 0-0 |
| 2023 | 40-20 | 22-12 | 1-1 | 3-3 | 10-4 | 4-0 |
| 2022 | 29-18 | 4-7 | 0-0 | 16-7 | 9-4 | 0-0 |
| 2021 | 28-15 | 12-9 | 5-1 | 7-3 | 4-2 | 0-0 |
| 2020 | 14-8 | 10-6 | 1-1 | 3-1 | 0-0 | 0-0 |
| 2019 | 15-11 | 8-8 | 0-0 | 7-3 | 0-0 | 0-0 |
| 2018 | 36-24 | 16-16 | 0-1 | 0-0 | 8-5 | 12-2 |
| 2017 | 40-23 | 14-11 | 0-0 | 7-2 | 6-6 | 13-4 |
| 2016 | 38-22 | 30-15 | 0-0 | 4-3 | 4-4 | 0-0 |
| 2015 | 0-1 | 0-0 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2014 | 39-23 | 27-13 | 1-1 | 6-4 | 2-4 | 3-1 |
| 2013 | 9-10 | 4-4 | 0-0 | 5-5 | 0-1 | 0-0 |
| Total | 371-241 | 190-138 | 24-22 | 67-35 | 58-39 | 32-7 |
Osaka
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Himeno SakatsumeH.SakatsumeJPN
- 6-3 6-1
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1st
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20 Oct 26
Wuhan
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Diana ShnaiderD.ShnaiderRUS Loss
- 6-3 6-1
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1st
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13 Oct 26
Beijing
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Karolina MuchovaK.MuchovaCZE Loss
- 7-63 6-1
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2nd
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02 Oct 26
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Mai HontamaM.HontamaJPN
- 6-3 6-4
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1st
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30 Sep 26
Billie Jean King Cup, Finals
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Linda NoskovaL.NoskovaCZE Loss
- 6-2 7-63
- Rubber 2
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22 Sep 26
New York
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Karolina MuchovaK.MuchovaCZE Loss
- 6-1 6-0
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2nd
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02 Sep 26
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Carol Young Suh LeeC.LeeUSA
- 6-4 3-6 6-0
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1st
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30 Aug 26
Cincinnati
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Linda NoskovaL.NoskovaCZE Loss
- 6-3 6-3
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2nd
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15 Aug 26
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Katie VolynetsK.VolynetsUSA
- 7-5 0-6 6-4
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1st
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13 Aug 26
Toronto
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Kayla CrossK.CrossCAN Loss
- 7-63 7-5
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1st
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03 Aug 26
Mary Stoiana
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 46-26 | 22-15 | 13-6 | 3-1 | 8-4 | 0-0 |
| 2025 | 30-15 | 28-11 | 2-4 | 0-0 | 0-0 | 0-0 |
| 2024 | 18-10 | 15-9 | 0-0 | 3-1 | 0-0 | 0-0 |
| 2023 | 16-8 | 11-7 | 0-0 | 5-1 | 0-0 | 0-0 |
| 2022 | 2-2 | 2-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2020 | 3-2 | 3-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 115-63 | 81-46 | 15-10 | 11-3 | 8-4 | 0-0 |
Osaka
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Oleksandra OliynykovaO.OliynykovaUKR
- 6-2 6-3
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1st
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20 Oct 26
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Sayaka IshiiS.IshiiJPN
- 6-4 7-5
- Q.
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18 Oct 26
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Rinko MatsudaR.MatsudaJPN
- 6-3 7-61
- q1
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17 Oct 26
W100 Templeton
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Julieta ParejaJ.ParejaUSA Loss
- 7-5 7-5
- 2nd
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01 Oct 26
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Hanna ChangH.ChangUSA
- 6-3 6-4
- 1st
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30 Sep 26
Sao Paulo
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Paula BadosaP.BadosaESP Loss
- 6-4 6-2
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1/4
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18 Sep 26
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Dominika SalkovaD.SalkovaCZE
- 7-65 6-1
- 2nd
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17 Sep 26
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Claire LiuC.LiuUSA
- 6-3 7-5
- 1st
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16 Sep 26
Barranquilla
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Julia RieraJ.RieraARG Loss
- 4-6 7-67 6-3
- 2nd
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09 Sep 26
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Jazmin OrtenziJ.OrtenziARG
- 6-3 6-2
- 1st
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08 Sep 26
