title: 2021 Open Quimper Bretagne – Singles
text: # 2021 Open Quimper Bretagne – Singles
  
  Cem İlkel was the defending champion but chose to compete in Antalya instead.
  
  Sebastian Korda won the title after defeating Filip Horanský 6–1, 6–1 in the final.
  
  ## Seeds
  
  * Lucas Pouille (first round)
  * Sebastian Korda (champion)
  * Grégoire Barrère (second round)
  * Denis Kudla (first round)
  * Federico Gaio (second round)
  * Jurij Rodionov (first round)
  * Peter Gojowczyk (first round)
  * Marc-Andrea Hüsler (first round)
  
  ## Draw
  
  ### Key
  
  * Q = Qualifier
  * WC = Wild card
  * LL = Lucky loser
  * Alt = Alternate
  * SE = Special exempt
  * PR = Protected ranking
  * ITF = ITF entry
  * JE = Junior exempt
  * w/o = Walkover
  * r = Retired
  * d = Defaulted
  * SR = Special ranking
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | | Filip Horanský | $7^{12}$ | 4 | 6 | | | | |
  | | Brandon Nakashima | $6^{10}$ | 6 | 4 | | | | |
  | | Brandon Nakashima | $6^{10}$ | 6 | 4 | | Filip Horanský | 1 | 1 |
  | | | | | | 2 | Sebastian Korda | 6 | 6 |
  | | Benjamin Bonzi | $6^5$ | $6^1$ | | 2 | Sebastian Korda | 6 | 6 |
  | 2 | Sebastian Korda | $7^7$ | $7^7$ | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | L Pouille | 4 | 7 | 4 | | | | | | | | | | | | | |
  | | F Horanský | 6 | 5 | 6 | | F Horanský | $6^6$ | 7 | 6 | | | | | | | | |
  | | M Marterer | 5 | 6 | $7^8$ | | M Marterer | $7^8$ | 5 | 4 | | | | | | | | |
  | | S Ofner | 7 | 4 | $6^6$ | | | | | | | F Horanský | 6 | 7 | | | | |
  | Q | Antoine Cornut Chauvinc | 5 | $6^4$ | | | | | | | Q | K Żuk | 3 | 5 | | | | |
  | | A Rinderknech | 7 | $7^7$ | | | A Rinderknech | $6^7$ | 2 | | | | | | | | | |
  | Q | K Żuk | 6 | 6 | | Q | K Żuk | $7^9$ | 6 | | | | | | | | | |
  | 7 | P Gojowczyk | 4 | 3 | | | | | | | | | | | F Horanský | $7^{12}$ | 4 | 6 |
  | 4 | D Kudla | 2 | $6^6$ | | | | | | | | | | | B Nakashima | $6^{10}$ | 6 | 4 |
  | WC | C Lestienne | 6 | $7^8$ | | WC | C Lestienne | 6 | 6 | | | | | | | | | |
  | | L Lacko | 3 | $7^7$ | $6^4$ | | D Istomin | 4 | 4 | | | | | | | | | |
  | | D Istomin | 6 | $6^2$ | $7^7$ | | | | | | WC | C Lestienne | 4 | 5 | | | | |
  | | M Janvier | 3 | 2 | | | | | | | | B Nakashima | 6 | 7 | | | | |
  | | B Nakashima | 6 | 6 | | | B Nakashima | 6 | 6 | | | | | | | | | |
  | | E Gulbis | 4 | $6^3$ | | 5 | F Gaio | 2 | 1 | | | | | | | | | |
  | 5 | F Gaio | 6 | $7^7$ | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 8 | M-A Hüsler | 3 | $7^7$ | $6^5$ | | | | | | | | | | | | | | |
  | | B Bonzi | 6 | $6^2$ | $7^7$ | | B Bonzi | 4 | 6 | $7^7$ | | | | | | | | | |
  | | T Fabbiano | 1 | 7 | 1 | | Y Maden | 6 | 2 | $6^5$ | | | | | | | | | |
  | | Y Maden | 6 | 5 | 6 | | | | | | | B Bonzi | $6^7$ | 6 | 6 | | | | |
  | WC | A Cazaux | 4 | 5 | | | | | | | Q | I Marchenko | $7^9$ | 4 | 4 | | | | |
  | Q | I Marchenko | 6 | 7 | | Q | I Marchenko | 6 | 6 | | | | | | | | | | |
  | | H Gaston | 3 | 4 | | 3 | G Barrère | 3 | 2 | | | | | | | | | | |
  | 3 | G Barrère | 6 | 6 | | | | | | | | | | | | | B Bonzi | $6^5$ | $6^1$ |
  | 6 | J Rodionov | 3 | 6 | 4 | | | | | | | | | | | 2 | S Korda | $7^7$ | $7^7$ |
  | | E Couacaud | 6 | 1 | 6 | | E Couacaud | 6 | $6^5$ | 6 | | | | | | | | | |
  | WC | E Furness | 6 | 6 | | WC | E Furness | 4 | $7^7$ | 3 | | | | | | | | | |
  | | R Marcora | 2 | 1 | | | | | | | | E Couacaud | $1^r$ | | | | | | |
  | | M Bourgue | $7^7$ | 6 | | | | | | | 2 | S Korda | 4 | | | | | | |
  | | L Rosol | $6^5$ | 4 | | | M Bourgue | 7 | $6^2$ | 4 | | | | | | | | | |
  | Q | T Lamasine | $6^3$ | 6 | $6^7$ | 2 | S Korda | 5 | $7^7$ | 6 | | | | | | | | | |
  | 2 | S Korda | $7^7$ | 4 | $7^9$ | | | | | | | | | | | | | | |
  