| 2020 Iași Open | |
|---|---|
| Date | 14–20 September |
| Edition | 1st |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Iași, Romania |
| Champions | |
| Singles | |
 Carlos Taberner | |
| Doubles | |
 Rafael Matos / João Menezes | |
The 2020 Iași Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Iași, Romania between 14 and 20 September 2020.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ESP
|
Pablo Andújar | 56 | 1 |
| ESP
|
Jaume Munar | 105 | 2 |
 FRA
|
Arthur Rinderknech | 156 | 3 |
 AUT
|
Jurij Rodionov | 172 | 4 |
| ESP
|
Carlos Taberner | 181 | 5 |
| FRA
|
Enzo Couacaud | 183 | 6 |
| BRA
|
João Menezes | 189 | 7 |
 ROU
|
Marius Copil | 191 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
Carlos Taberner def. Mathias Bourgue 6–4, 7–6(7–4). Rafael Matos / João Menezes def. 
Treat Huey / 
Nathaniel Lammons 6–2, 6–2.
