2026 Oeiras CETO Open
Tennis tournament
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The 2026 Oeiras CETO Open was a professional women's tennis tournament played on outdoor clay courts. It was the eleventh edition of the tournament and first as a WTA 125 tournament, which was part of the 2026 season. It took place at the Clube Escola de Ténis de Oeiras in Oeiras, Portugal between 20 and 26 April 2026.[1][2][3]
| 2026 Oeiras CETO Open | |
|---|---|
| Date | 20–26 April |
| Edition | 11th |
| Category | WTA 125 |
| Prize money | €100,000 |
| Surface | Clay / Outdoor |
| Location | Oeiras, Portugal |
| Champions | |
| Singles | |
 Fiona Ferro | |
| Doubles | |
 Sofia Costoulas /  Matilde Jorge | |
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 GBR |
Francesca Jones | 103 | 1 |
 CHN |
Yuan Yue | 114 | 2 |
 LAT |
Darja Semeņistaja | 116 | 3 |
 CAN |
Bianca Andreescu | 128 | 4 |
 POL |
|||
| BEL |
Sofia Costoulas | 134 | 6 |
 ESP |
Andrea Lázaro García | 147 | 7 |
 USA |
Varvara Lepchenko | 149 | 8 |
- 1 Rankings as of 13 April 2026.
Other entrants
The following players received a wildcard into the singles main draw:
Milana Ivantsiv- Matilde Jorge
Miroslava Medvedeva- Angelina Voloshchuk
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Withdrawals
- Before the tournament
Maja Chwalińska → replaced by 
Ayana Akli
Joanna Garland → replaced by 
Storm Hunter- Francisca Jorge → replaced by
Céline Naef 
Tiantsoa Rakotomanga Rajaonah → replaced by 
Anna-Lena Friedsam
Doubles entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| Elena Pridankina | CHN |
Tang Qianhui | 152 | 1 | |
 ARG |
Nicole Fossa Huergo |  GEO |
Ekaterine Gorgodze | 188 | 2 |
| GBR |
Madeleine Brooks | USA |
Ivana Corley | 213 | 3 |
 TPE |
Cho I-hsuan | TPE |
Cho Yi-tsen | 216 | 4 |
- Rankings as of 13 April 2026.
Other entrants
The following pair received a wildcard into the doubles main draw:
- Milana Ivantsiv / Miroslava Medvedeva
Champions
Singles
- Fiona Ferro def.
Polina Kudermetova 6–3, 0–6, 6–1
Doubles
Sofia Costoulas / Matilde Jorge def. Magali Kempen / Lara Salden 6–4, 6–2