| Date: | 21–27 September |
| Edition: | 1st |
| Draw: | 32S / 16D |
| Surface: | Clay |
| Location: | Forlì, Italy |
| Champs: |  Lorenzo Musetti |
| Champd: |  Tomislav Brkić /  Nikola Ćaćić |
The 2020 Internazionali di Tennis Città di Forlì 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 Forlì, Italy between 21 and 27 September 2020.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Frances Tiafoe | 66 | 1 | ||
 United Kingdom | Cameron Norrie | 68 | 2 | |
 Korea, Republic of | ||||
| Italy | Salvatore Caruso | 87 | 4 | |
 Japan | Yūichi Sugita | 94 | 5 | |
| Lloyd Harris | 95 | 6 | ||
| Italy | Andreas Seppi | 96 | 7 | |
 Argentina | Federico Coria | 104 | 8 |
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:
See main article: 2020 Internazionali di Tennis Città di Forlì – Singles.
Lorenzo Musetti def. 
Thiago Monteiro 7–6(7–2), 7–6(7–5).See main article: 2020 Internazionali di Tennis Città di Forlì – Doubles.
Tomislav Brkić / Nikola Ćaćić def. 
Andrey Golubev / Andrea Vavassori 3–6, 7–5, [10–3].
