2022 Zavarovalnica Sava Portorož – Singles

Kateřina Siniaková defeated Elena Rybakina in the final, 6–7(4–7), 7–6(7–5), 6–4 to win the singles tennis title at the 2022 WTA Slovenia Open. It was her first singles title since 2017.

Jasmine Paolini was the defending champion, but lost to Siniaková in the quarterfinals.

Seeds
• # 🇬🇧 Emma Raducanu (second round)

• # 🇧🇷 Beatriz Haddad Maia (quarterfinals)

• # 🇰🇿 Elena Rybakina (final)

• # 🇮🇹 Martina Trevisan (first round)

• # Ekaterina Alexandrova (second round)

• # 🇫🇷 Alizé Cornet (first round)

• # 🇺🇸 Bernarda Pera (withdrew)

• # 🇦🇺 Ajla Tomljanović (first round)

• # Anastasia Potapova (second round)

Seeds
• # 🇬🇧 Harriet Dart (qualifying competition, lucky loser)

• # 🇷🇴 Elena-Gabriela Ruse (qualified)

• # Ana Konjuh (qualifying competition, retired)

• # 🇪🇸 Cristina Bucșa (qualified)

• # 🇩🇪 Tamara Korpatsch (withdrew)

• # 🇬🇧 Jodie Burrage (qualified)

• # Anastasia Zakharova (qualified)

• # 🇺🇿 Nigina Abduraimova (first round)

• # Tara Würth (qualified)

• # 🇷🇸 Natalija Stevanović (first round)

• # 🇩🇪 Anna-Lena Friedsam (qualified)

• # Stefanie Vögele (qualifying competition)

Qualifiers
• # 🇩🇪 Anna-Lena Friedsam

• # 🇷🇴 Elena-Gabriela Ruse

• # Anastasia Zakharova

• # 🇪🇸 Cristina Bucșa

• # Tara Würth

• # 🇬🇧 Jodie Burrage

Lucky loser

 * 1) 🇬🇧 Harriet Dart