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
Date9–15 August
Edition28th
LocationCity of San Marino, San Marino
Champions
Singles
Denmark Holger Rune
Doubles
Czech Republic Zdeněk Kolář / Venezuela Luis David Martínez
← 2014 · San Marino Open · 2022 →

Singles main-draw entrants

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Seeds

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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 Tomás Martín Etcheverry 148 6
  ARG Sebastián Báez 156 7
  SLO Blaž Rola 173 8
  • 1 Rankings are as of 2 August 2021.[1]

Other entrants

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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:

The following player received entry as a lucky loser:

Champions

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Singles

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Doubles

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References

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  1. ^ "Rankings | Singles | ATP Tour | Tennis". ATP Tour.