2025 Caldas da Rainha Ladies Open
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| 2025 Caldas da Rainha Ladies Open | |
|---|---|
| Date | 14–21 September 2025 |
| Edition | 6th |
| Category | WTA 125 tournaments |
| Surface | Hard / Outdoor |
| Location | Caldas da Rainha, Portugal |
| Champions | |
| Singles | |
 Polina Iatcenko | |
| Doubles | |
 Harriet Dart / Maia Lumsden | |
The 2025 Full Protein Caldas da Rainha Ladies Open was a professional tennis tournament played on outdoor hard courts. It was the sixth edition of the tournament and part of the 2025 WTA 125 tournaments (upgraded from ITF status in previous years).[1] It took place in Caldas da Rainha, Portugal, between 14 and 21 September 2025.[2]
Seeds
| Country | Player | Rank | Seed |
|---|---|---|---|
 CRO |
Petra Marčinko | 127 | 1 |
 GER |
Tamara Korpatsch | 153 | 2 |
| Alina Korneeva | 163 | 3 | |
 UKR |
Daria Snigur | 185 | 4 |
 ESP |
Kaitlin Quevedo | 191 | 5 |
 POR |
Matilde Jorge | 212 | 6 |
 FRA |
Tiantsoa Rakotomanga Rajaonah | 214 | 7 |
 NED |
Eva Vedder | 224 | 8 |
- Rankings are as of 8 September 2025.
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank | Seed |
|---|---|---|---|---|---|
| NED |
Isabelle Haverlag | NED |
Eva Vedder | 225 | 1 |
| GBR |
Madeleine Brooks | Anastasia Tikhonova | 235 | 2 | |
| GBR |
Harriet Dart | GBR |
Maia Lumsden | 249 | 3 |
| FRA |
Julie Belgraver |  CAN |
Kayla Cross | 353 | 4 |
- Rankings as of 8 September 2025.
Other entrants
The following pair received a wildcard into the doubles main draw: