2020 Chile Open
The 2020 Chile Open was a men's tennis tournament played on clay courts. It was the 22nd edition of the Chile Open, and part of the ATP 250 of the 2020 ATP Tour. It took place in Santiago, Chile from 24 February through 1 March 2020.Seeds
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
;Before the tournament
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
| Marcelo Demoliner | | Matwé Middelkoop | 101 | 1 |
| Marcelo Arévalo | | Jonny O'Mara | 118 | 2 |
| Divij Sharan | | Artem Sitak | 124 | 3 |
| Ariel Behar | | Gonzalo Escobar | 141 | 4 |
- Rankings are as of February 17, 2020.
Other entrants
The following pairs received wildcards into the doubles main draw:
Singles
- Thiago Seyboth Wild def. Casper Ruud, 7–5, 4–6, 6–3
Doubles
- Roberto Carballés Baena / Alejandro Davidovich Fokina def. Marcelo Arévalo / Jonny O'Mara, 7–6, 6–1
