The 2021 San Marino Open was a professional tennis tournament played on clay courts. The 28th edition of the tournament, which was part of the 2021 ATP Challenger Tour, took place in City of San Marino, San Marino between 9 and 15 August 2021.
| 2021 San Marino Open | |
|---|---|
| Date | 9–15 August |
| Edition | 28th |
| Location | City of San Marino, San Marino |
| Champions | |
| Singles | |
 Holger Rune | |
| Doubles | |
 Zdeněk Kolář /  Luis David Martínez | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ITA
|
Marco Cecchinato | 84 | 1 |
 FRA
|
Gilles Simon | 102 | 2 |
| ITA
|
Salvatore Caruso | 111 | 3 |
 BOL
|
Hugo Dellien | 139 | 4 |
| ITA
|
Federico Gaio | 147 | 5 |
 ARG |
|||
| ARG
|
Sebastián Báez | 156 | 7 |
 SLO
|
Blaž Rola | 173 | 8 |
- 1 Rankings are as of 2 August 2021.[1]
Other entrants edit
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 player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Francesco Forti
Orlando Luz- Manuel Mazza
- Julian Ocleppo
The following player received entry as a lucky loser:
Champions edit
Singles edit
Holger Rune def. Orlando Luz 1–6, 6–2, 6–3.
Doubles edit
Zdeněk Kolář / 
Luis David Martínez def. Rafael Matos / João Menezes 1–6, 6–3, [10–3].
References edit
- ^ "Rankings | Singles | ATP Tour | Tennis". ATP Tour.