Carlos Alcaraz defeated Cameron Norrie in the final, 6–3, 7–5 to win the singles tennis title at the 2023 Argentina Open.
Casper Ruud was the defending champion,[1] but chose not to compete this year.
Seeds
The top four seeds received a bye into the second round. 
Draw
Key
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links
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| Grand Slam events |  | 
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| ATP Tour Masters 1000 |  | 
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| ATP Tour 500 | 
- Rotterdam (S, D)
 
- Rio de Janeiro (S, D)
 
- Acapulco (S, D)
 
- Dubai (S, D)
 
- Barcelona (S, D)
 
- Halle (S, D)
 
- London (S, D)
 
- Hamburg (S, D)
 
- Washington (S, D)
 
- Beijing (S, D)
 
- Tokyo (S, D)
 
- Basel (S, D)
 
- Vienna (S, D)
  
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| ATP Tour 250 | 
- Adelaide 1 (S, D)
 
- Pune (S, D)
 
- Adelaide 2 (S, D)
 
- Auckland (S, D)
 
- Córdoba (S, D)
 
- Montpellier (S, D)
 
- Dallas (S, D)
 
- Buenos Aires (, D)
 
- Delray Beach (S, D)
 
- Marseille (S, D)
 
- Doha (S, D)
 
- Santiago (S, D)
 
- Houston (S, D)
 
- Marrakesh (S, D)
 
- Estoril (S, D)
 
- Banja Luka (S, D)
 
- Munich (S, D)
 
- Geneva (S, D)
 
- Lyon (S, D)
 
- Rosmalen (S, D)
 
- Stuttgart (S, D)
 
- Eastbourne (S, D)
 
- Mallorca (S, D)
 
- Båstad (S, D)
 
- Gstaad (S, D)
 
- Newport (S, D)
 
- Umag (S, D)
 
- Atlanta (S, D)
 
- Kitzbühel (S, D)
 
- Los Cabos (S, D)
 
- Winston-Salem (S, D)
 
- Chengdu (S, D)
 
- Zhuhai (S, D)
 
- Astana (S, D)
 
- Antwerp (S, D)
 
- Stockholm (S, D)
 
- Metz (S, D)
 
- Sofia (S, D)
  
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| Team events |  | 
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