2023 Mallorca Championships – Singles

Christopher Eubanks defeated Adrian Mannarino in the final, 6–1, 6–4 to win the singles title at the 2023 Mallorca Championships. It was Eubanks' first ATP singles title. He saved five match points in the semifinals against Lloyd Harris.

Stefanos Tsitsipas was the defending champion, but lost in the second round to Yannick Hanfmann.

The tournament marked the final professional appearance of former world No. 12 Feliciano López. He lost in the quarterfinals to Hanfmann.

Seeds
The top four seeds received a bye into the second round. • # Stefanos Tsitsipas (second round)

• #🇪🇸 Alejandro Davidovich Fokina (second round)

• #🇺🇸 Ben Shelton (second round)

• #🇫🇷 Adrian Mannarino (final)

• #🇰🇿 Alexander Bublik (withdrew)

• #🇫🇷 Richard Gasquet (first round)

• #🇪🇸 Bernabé Zapata Miralles (first round)

• #🇪🇸 Roberto Carballés Baena (second round)

Seeds
• # 🇫🇷 Arthur Rinderknech (qualifying competition, lucky loser)

• # 🇩🇪 Dominik Koepfer (withdrew)

• # Roman Safiullin (qualified)

• # Pavel Kotov (qualifying competition, lucky loser)

• # 🇯🇴 Abdullah Shelbayh (qualified)

• # 🇦🇺 Li Tu (qualified)

• # 🇺🇸 Alex Michelsen (qualifying competition, lucky loser)

• # 🇧🇪 Michael Geerts (first round)

Qualifiers
• # 🇯🇴 Abdullah Shelbayh

• # Lloyd Harris

• # Roman Safiullin

• # 🇦🇺 Li Tu

Lucky losers
• # Pavel Kotov

• # 🇺🇸 Alex Michelsen

• # 🇫🇷 Arthur Rinderknech