| Date: | 27 January – 2 February |
| Edition: | 3rd |
| Surface: | Clay |
| Location: | Punta del Este, Uruguay |
| Champs: |  Thiago Monteiro |
| Champd: | Orlando Luz / Rafael Matos |
| After Year: | 2024 |
The 2020 Punta Open was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Punta del Este, Uruguay between 27 January and 2 February 2020.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Italy | Marco Cecchinato | 77 | 1 | |
| Brazil | Thiago Monteiro | 86 | 2 | |
 Slovakia | Andrej Martin | 105 | 3 | |
| Italy | Gianluca Mager | 117 | 4 | |
 Argentina | Federico Coria | 119 | 5 | |
| Argentina | Facundo Bagnis | 135 | 6 | |
| Pedro Sousa | 141 | 7 | ||
 Peru | Juan Pablo Varillas | 143 | 8 | |
| Italy | Alessandro Giannessi | 147 | 9 | |
| João Domingues | 171 | 10 | ||
 Spain | Carlos Taberner | 188 | 11 | |
| Argentina | Andrea Collarini | 192 | 12 | |
| Spain | Mario Vilella Martínez | 196 | 13 | |
| Argentina | Facundo Mena | 204 | 14 | |
| Brazil | Thiago Seyboth Wild | 205 | 15 | |
| Argentina | Francisco Cerúndolo | 228 | 16 |
The following players received wildcards into the singles main draw:
Mariano Kestelboim Thiago Agustín TiranteThe following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Sergio Galdós Gilbert Klier JúniorThe following player received entry as a lucky loser:
See main article: 2020 Punta Open – Singles.
Thiago Monteiro def. Marco Cecchinato 7–6(7–3), 6–7(6–8), 7–5.See main article: 2020 Punta Open – Doubles.
Orlando Luz / Rafael Matos def. Juan Manuel Cerúndolo / Thiago Agustín Tirante 6–4, 6–2.