1991 Canadian Open – Men's Singles

Michael Chang was the defending champion, but lost in the second round this year.

Men's Singles
1991 Canadian Open
Champion Andrei Chesnokov
Runner-up Petr Korda
Final score3–6, 6–4, 6–3
Main article: 1991 Canadian Open (tennis)

Andrei Chesnokov won the title, defeating Petr Korda 3–6, 6–4, 6–3 in the final.

Seeds
  1. Ivan Lendl (Semifinals)
  2. Jim Courier (Semifinals)
  3. Andre Agassi (Second Round)
  4. Pete Sampras (Second Round)
  5. Michael Chang (Second Round)
  6. Jakob Hlasek (Quarterfinals)
  7. John McEnroe (Third Round)
  8. Brad Gilbert (Third Round)
  9. Richey Reneberg (Second Round)
  10. Derrick Rostagno (Quarterfinals)
  11. Cristiano Caratti (First Round)
  12. Andrei Chesnokov (Champion)
  13. Patrick McEnroe (Third Round)
  14. Jaime Yzaga (First Round)
  15. Wally Masur (Third Round)
  16. Amos Mansdorf (Third Round)

Draw

Key

Finals
Semifinals Final
          
1 Ivan Lendl 64 5  
12 Andrei Chesnokov 77 7  
12 Andrei Chesnokov 3 6 6
  Petr Korda 6 4 3
  Petr Korda 3 77 6
2 Jim Courier 6 61 2

Top Half

Section 1
First Round Second Round Third Round Quarterfinals
1 I Lendl 4 6 6
  B Pearce 4 1     G Bloom 6 4 4
  G Bloom 6 6   1 I Lendl 6 3 6
WC A Sznajder 4 3   15 W Masur 3 6 4
  J Tarango 6 6     J Tarango 77 1 4
  M Woodforde 3 4   15 W Masur 65 6 6
15 W Masur 6 6   1 I Lendl 710 67 7
9 R Reneberg 6 6     J Grabb 68 79 5
  T Mayotte 3 1   9 R Reneberg 77 2 5
  J Grabb 4 6 78   J Grabb 63 6 7
Q J Morgan 6 4 66   J Grabb 4 6 6
  A Mronz 6 6   8 B Gilbert 6 3 4
  S Davis 4 3     A Mronz 3 5  
8 B Gilbert 6 7  

Section 2
First Round Second Round Third Round Quarterfinals
4 P Sampras 6 4 68
  S Matsuoka 64 77 6   S Matsuoka 2 6 710
  A Boetsch 77 62 3   S Matsuoka 6 6  
  P Baur 6 4 65 13 P McEnroe 4 3  
Q C Garner 4 6 77 Q C Garner 2 4  
  T Witsken 1 1   13 P McEnroe 6 6  
13 P McEnroe 6 6     S Matsuoka 2 6 5
12 A Chesnokov 6 6   12 A Chesnokov 6 3 7
  D Goldie 1 2   12 A Chesnokov 4 6 6
WC S Lareau 3 77 6 WC S Lareau 6 1 3
Q Ian Aler 6 65 4 12 A Chesnokov 6 6  
  H Holm 5 4     S Pescosolido 4 4  
  S Pescosolido 7 6     S Pescosolido 78 3 6
5 M Chang 66 6 3

Section 3
First Round Second Round Third Round Quarterfinals
6 J Hlasek 2 6 6
Q N Borwick 6 6   Q N Borwick 6 4 4
  J Kriek 3 4   6 J Hlasek 78 6  
Q S Youl 6 66 79 Q S Youl 66 4  
  L Herrera 3 78 67 Q S Youl 1 6 7
WC C Pridham 6 3 7 WC C Pridham 6 3 5
11 C Caratti 3 6 5 6 J Hlasek 63 4  
14 J Yzaga 3 6 3   P Korda 77 6  
  G Raoux 6 1 6   G Raoux 3 7 6
LL J Brown 2 5   WC M Laurendeau 6 5 0
WC M Laurendeau 6 7     G Raoux 2 3  
Q G Pozzi 6 3 64   P Korda 6 6  
  P Korda 3 6 77   P Korda 77 6  
3 A Agassi 63 2  

Section 4
First Round Second Round Third Round Quarterfinals
7 J McEnroe 6 6  
  J Arias 77 713     J Arias 1 2  
  G Connell 63 611   7 J McEnroe 2 6 65
  J-P Fleurian 3 2   10 D Rostagno 6 1 77
  T Högstedt 6 6     T Högstedt 3 1  
  D Pate 6 5 2 10 D Rostagno 6 6  
10 D Rostagno 3 7 6 10 D Rostagno 3 3  
16 A Mansdorf 6 6   2 J Courier 6 6  
  R Krishnan 2 2   16 A Mansdorf 6 65 6
Q S Doseděl 4 6 65   P Lundgren 4 77 1
  P Lundgren 6 3 77 16 A Mansdorf 3 6 3
  M Washington 6 6   2 J Courier 6 3 6
  M Zoecke 4 4     M Washington 5 3  
2 J Courier 7 6  
gollark: In the vague sense of "it matches patterns in things", certainly.
gollark: If I felt like investing far too much time in this, I could probably implement something like AlphaZero, which I think has a neural network act as a heuristic for tree search.
gollark: The "ideal" way would be for me to actually understand how minmax/α-β-pruning algorithms work, and just implement those instead of/augmenting the "MCTS" it uses right now.
gollark: I mean, that's not really the right question.
gollark: Are you a neuroscientist now?

References
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