title: 1991 Grand Prix de Tennis de Lyon – Singles
text: # 1991 Grand Prix de Tennis de Lyon – Singles
  
  Marc Rosset was the defending champion, but lost in the first round this year.
  
  Pete Sampras won the title, beating Olivier Delaître 6–1, 6–1 in the final.
  
  ## Seeds
  
  * Guy Forget (first round)
  * Pete Sampras (champion)
  * Sergi Bruguera (semifinals)
  * Brad Gilbert (semifinals)
  * Derrick Rostagno (first round)
  * Alberto Mancini (quarterfinals)
  * Jonas Svensson (quarterfinals)
  * Marc Rosset (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 | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - |
  | WC | Olivier Delaître | 6 | 6 | | | | |
  | 3 | Sergi Bruguera | 4 | 4 | | | | |
  | 3 | Sergi Bruguera | 4 | 4 | WC | Olivier Delaître | 1 | 1 |
  | | | | | 2 | Pete Sampras | 6 | 6 |
  | 4 | Brad Gilbert | 1 | 2 | 2 | Pete Sampras | 6 | 6 |
  | 2 | Pete Sampras | 6 | 6 | | | | |
  
  ### 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 | G Forget | 6 | 4 | 3 | | | | | | | | | | | | | |
  | WC | O Delaître | 1 | 6 | 6 | WC | O Delaître | 6 | $6^6$ | $7^7$ | | | | | | | | |
  | | C Pioline | 7 | $6^5$ | 6 | | C Pioline | 2 | $7^8$ | $6^3$ | | | | | | | | |
  | | T Carbonell | 5 | $7^7$ | 3 | | | | | | WC | O Delaître | 6 | $7^7$ | | | | |
  | | J Kriek | $7^7$ | 6 | | | | | | | | J Kriek | 2 | $6^3$ | | | | |
  | | S Pescosolido | $6^5$ | 3 | | | J Kriek | 6 | 6 | | | | | | | | | |
  | | F Santoro | 6 | 6 | | | F Santoro | 4 | 4 | | | | | | | | | |
  | 8 | M Rosset | 1 | 3 | | | | | | | | | | | WC | O Delaître | 6 | 6 |
  | 3 | S Bruguera | 3 | 6 | 6 | | | | | | | | | | 3 | S Bruguera | 4 | 4 |
  | SE | A Boetsch | 6 | 3 | 4 | 3 | S Bruguera | $7^{10}$ | $7^7$ | | | | | | | | | |
  | | J-P Fleurian | 3 | 2 | | | G Raoux | $6^8$ | $6^2$ | | | | | | | | | |
  | | G Raoux | 6 | 6 | | | | | | | 3 | S Bruguera | 6 | $7^7$ | | | | |
  | WC | F Fontang | 0 | $6^4$ | | | | | | | | K Curren | 0 | $6^3$ | | | | |
  | SE | C van Rensburg | 6 | $7^7$ | | SE | C van Rensburg | 1 | 2 | | | | | | | | | |
  | | K Curren | $6^5$ | $7^7$ | $7^7$ | | K Curren | 6 | 6 | | | | | | | | | |
  | 5 | D Rostagno | $7^7$ | $6^3$ | $6^4$ | | | | | | | | | | | | | |
  
  ### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | A Mancini | 2 | 7 | $7^7$ | | | | | | | | | | | | | |
  | | C Saceanu | 6 | 5 | $6^2$ | 6 | A Mancini | $7^{10}$ | 6 | | | | | | | | | |
  | | N Kulti | 6 | 6 | | | N Kulti | $6^8$ | 4 | | | | | | | | | |
  | | V Paloheimo | 2 | 4 | | | | | | | 6 | A Mancini | 2 | 2 | | | | |
  | Q | É Winogradsky | 6 | 3 | 6 | | | | | | 4 | B Gilbert | 6 | 6 | | | | |
  | Q | S DeVries | 1 | 6 | 3 | Q | É Winogradsky | 5 | 1 | | | | | | | | | |
  | | A Mronz | 3 | 5 | | 4 | B Gilbert | 7 | 6 | | | | | | | | | |
  | 4 | B Gilbert | 6 | 7 | | | | | | | | | | | 4 | B Gilbert | 1 | 2 |
  | 7 | J Svensson | 1 | 6 | $7^7$ | | | | | | | | | | 2 | P Sampras | 6 | 6 |
  | | P Kühnen | 6 | 3 | $6^3$ | 7 | J Svensson | $6^4$ | 6 | 6 | | | | | | | | |
  | | R Agénor | $6^9$ | 7 | 7 | | R Agénor | $7^7$ | 3 | 1 | | | | | | | | |
  | Q | Y Doumbia | $7^{11}$ | 5 | 5 | | | | | | 7 | J Svensson | 2 | 2 | | | | |
  | | T Champion | 6 | 6 | | | | | | | 2 | P Sampras | 6 | 6 | | | | |
  | WC | Y Noah | 4 | 4 | | | T Champion | 1 | 3 | | | | | | | | | |
  | Q | T Nijssen | 3 | 2 | | 2 | P Sampras | 6 | 6 | | | | | | | | | |
  | 2 | P Sampras | 6 | 6 | | | | | | | | | | | | | | |
  