Solana Sierra and Arianne Hartono will clash against each other in the 1st round of the SP Open for the 1st time in their career. They are scheduled to play on Monday at 1:00 pm on QUADRA 1. In the following paragraphs, you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Solana Sierra who should win in 2 sets.
Solana Sierra -> 1.44
Arianne Hartono -> 2.79
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Prediction and head to head Solana Sierra vs. Arianne Hartono
There is no head to head record between Solana Sierra and Arianne Hartono since this will be the first time that they will clash against each other in the main tour.
Solana Sierra
36 - 17win/loss
66
64
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 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 |
Ranked no. 74, Solana will start her run in Sao Paulo after she played her last match at the New York where she lost 7-5 6-0 to Cirstea in the 1st round on the 26th of August.
Sierra has an aggregate 36-17 win-loss record in 2025, 7-8 on hard (See FULL STATS).
Her best result of the year was winning the title the W75 Vero Beach where she defeated Whitney Osuigwe in the final 6-7(6) 6-4 7-5 and the Antalya where she overcame Leyre Romero Gormaz in the final 6-3 6-4 and the W75 Bellinzona where she overcame Silvia Ambrosio in the final 6-4 6-0.
Talking about her overall career, Solana has an overall 195-87 record. She has a positive 42-23 record on hard.
Previously in Sao Paulo
Sierra has never competed in this tournament before.
Arianne Hartono
19 - 24win/loss
254
135
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 23-30 | 15-17 | 0-2 | 5-6 | 3-5 | 0-0 |
| 2024 | 32-28 | 32-24 | 0-2 | 0-0 | 0-2 | 0-0 |
| 2023 | 53-36 | 49-29 | 0-1 | 2-4 | 2-2 | 0-0 |
| 2022 | 24-27 | 8-13 | 7-8 | 7-3 | 2-3 | 0-0 |
| 2021 | 48-28 | 12-5 | 23-15 | 13-7 | 0-0 | 0-1 |
Ranked no. 187, the Dutch will start her run in Sao Paulo after she played her last match in the Guadalajara where she lost 6-2 6-2 to Eala in the 1st round on the 2nd of September.
Arianne has a composed 19-24 win-loss record in 2025, 11-12 on hard (See FULL STATS).
The Dutch’s best result of the year was getting to the final in the W75 Targu Mures.
In terms of her career, Hartono has an overall 261-194 record. She has a positive 158-109 record on hard.
Previously in Sao Paulo
The Dutch has never competed in this tournament before.
Tennis Scores in Sao Paulo
- Alexandre MullerMuller – Jelle SelsSels (3-6 6-4 6-3) – Stats, scores, rankings
- Manuel GuinardGuinard – Youlian IakovlevIakovlev (6-1 6-1) – Stats, scores, rankings
- Geoffrey BlancaneauxBlancaneaux – Pedro SakamotoSakamoto (6-3 3-6 6-4) – Stats, scores, rankings
- Jonathan EyssericEysseric – Mark VervoortVervoort (6-1 6-1) – Stats, scores, rankings
- Holger Vitus Nodskov RuneVitus Nodskov Rune – Nicolas BarrientosBarrientos (6-1 3-6 6-3) – Stats, scores, rankings
- Oriol Roca BatallaRoca Batalla – Samuel BrossetBrosset (7-66 6-2) – Stats, scores, rankings
- Arthur RinderknechRinderknech – Renzo OlivoOlivo (6-4 7-66) – Stats, scores, rankings
- Daniel Dutra Da SilvaDutra Da Silva – Corentin DenollyDenolly (6-0 6-4) – Stats, scores, rankings
- Roberto Ortega-OlmedoOrtega-Olmedo – Kenny de Schepperde Schepper (6-3 6-4) – Stats, scores, rankings
- Maxime HamouHamou – Tim Van RijthovenVan Rijthoven (6-4 6-4) – Stats, scores, rankings
- Matteo MartineauMartineau – Enzo WallartWallart (4-6 6-2 7-65) – Stats, scores, rankings
- Botic Van De ZandschulpVan De Zandschulp – Sadio DoumbiaDoumbia (6-3 6-2) – Stats, scores, rankings
- Juan Pablo VarillasPablo Varillas – Ruben Ramirez-HidalgoRamirez-Hidalgo (6-3 6-1) – Stats, scores, rankings
- Jose Hernandez-FernandezHernandez-Fernandez – Marvin NetuschilNetuschil (4-6 6-4 6-3) – Stats, scores, rankings
- Scott GriekspoorGriekspoor – Facundo MenaMena (7-67 6-3) – Stats, scores, rankings
- Peter TorebkoTorebko – Antoine Cornut-ChauvincCornut-Chauvinc (6-1 6-2) – Stats, scores, rankings
Upcoming matches in the draw
- Beatriz Haddad MaiaHaddad Maia – Miriana TonaTona (0-0) – H2H and prediction
- Elizabeth MandlikMandlik – Laura PigossiPigossi (2-2) – H2H and prediction
- Jazmin OrtenziOrtenzi – Berfu CengizCengiz (0-0) – H2H and prediction
- Luiza FullanaFullana – Renata ZarazuaZarazua (0-0) – H2H and prediction
- Ajla TomljanovicTomljanovic – Victoria RodriguezRodriguez (2-0) – H2H and prediction
- Ana Sofia SanchezSofia Sanchez – (0-0) – H2H and prediction
- Valeriya StrakhovaStrakhova – (3-0) – H2H and prediction
- Leolia JeanjeanJeanjean – (0-0) – H2H and prediction
- Arina RodionovaRodionova – Martina OkalovaOkalova (2-0) – H2H and prediction
- Julia RieraRiera – Vitalia DiatchenkoDiatchenko (0-0) – H2H and prediction
- Yasmine MansouriMansouri – (0-0) – H2H and prediction
- Francesca JonesJones – Lina GlushkoGlushko (0-0) – H2H and prediction
- Carolina M. AlvesM. Alves – (0-0) – H2H and prediction
- Arianne HartonoHartono – (0-0) – H2H and prediction