# 2011 Challenger Banque Nationale de Rimouski – Singles

Rik de Voest was the defending champion but decided not to participate. Fritz Wolmarans won the final against Bobby Reynolds 6–7(2), 6–3, 7–6(3).

## Seeds

* Bobby Reynolds (final)
* Peter Polansky (second round)
* Matteo Viola (quarterfinals)
* Frederik Nielsen (semifinals)
* Fritz Wolmarans (champion)
* Amir Weintraub (quarterfinals)
* Philip Bester (second round)
* Sam Groth (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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Bobby Reynolds | 6 | 7 | | | | | |
| 4 | Frederik Nielsen | 4 | 6$^5$ | | | | | |
| 4 | Frederik Nielsen | 4 | 6$^5$ | 1 | Bobby Reynolds | 7 | 3 | 6$^3$ |
| | | | | 5 | Fritz Wolmarans | 6$^2$ | 6 | 7 |
| | Vasek Pospisil | 2 | 2 | 5 | Fritz Wolmarans | 6$^2$ | 6 | 7 |
| 5 | Fritz Wolmarans | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | B Reynolds | 7 | 7 | | | | | | | | | | | | | | | |
| Q | A Olivetti | 6$^9$ | 6$^5$ | | 1 | B Reynolds | 6 | 6 | | | | | | | | | | |
| | M Reid | 1 | 2 | | | L Walter | 3 | 4 | | | | | | | | | | |
| | L Walter | 6 | 6 | | | | | | | 1 | B Reynolds | 3 | 6 | 6 | | | | |
| | J Levine | 6$^7$ | 5 | | | | | | | 6 | A Weintraub | 6 | 3 | 4 | | | | |
| | A El Mihdawy | 7 | 7 | | | A El Mihdawy | 3 | 5 | | | | | | | | | | |
| WC | Daniel Chu | 4 | 4 | | 6 | A Weintraub | 6 | 7 | | | | | | | | | | |
| 6 | A Weintraub | 6 | 6 | | | | | | | | | | | | 1 | B Reynolds | 6 | 7 |
| 4 | F Nielsen | 6 | 6 | | | | | | | | | | | | 4 | F Nielsen | 4 | 6$^5$ |
| | L Gregorc | 2 | 2 | | 4 | F Nielsen | 6 | 6 | | | | | | | | | | |
| | N Monroe | 3 | 6$^3$ | | | M McClune | 1 | 2 | | | | | | | | | | |
| | M McClune | 6 | 7 | | | | | | | 4 | F Nielsen | 6 | 7 | | | | | |
| | Greg Ouellette | 3 | 7 | 6 | | | | | | | Greg Ouellette | 1 | 6$^3$ | | | | | |
| WC | Pavel Krainik | 6 | 6$^1$ | 2 | | Greg Ouellette | 6$^4$ | 7 | 6 | | | | | | | | | |
| | A Sitak | 4 | 3 | | 7 | P Bester | 7 | 6$^8$ | 4 | | | | | | | | | |
| 7 | P Bester | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| 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 |
| 8 | S Groth | 4 | 4 | | | | | | | | | | | | | |
| | V Pospisil | 6 | 6 | | V Pospisil | 6 | 6 | | | | | | | | | |
| | Charles-Antoine Brézac | 6 | 6 | | Charles-Antoine Brézac | 3 | 2 | | | | | | | | | |
| WC | Robert Rotaru | 2 | 2 | | | | | | | V Pospisil | 6 | 6 | | | | |
| | J Cox | 6 | 6 | | | | | | 3 | M Viola | 4 | 4 | | | | |
| | M Marrai | 4 | 4 | | J Cox | 1 | 4 | | | | | | | | | |
| WC | Ahmed El-Tabakh | 2 | 1$^r$ | 3 | M Viola | 6 | 6 | | | | | | | | | |
| 3 | M Viola | 6 | 5 | | | | | | | | | | | V Pospisil | 2 | 2 |
| 5 | F Wolmarans | 6 | 7 | | | | | | | | | | 5 | F Wolmarans | 6 | 6 |
| | A Bossel | 2 | 5 | 5 | F Wolmarans | 6 | 6 | | | | | | | | | |
| Q | Julien Dubail | 7 | 6 | Q | Julien Dubail | 4 | 4 | | | | | | | | | |
| Q | B Strode | 5 | 4 | | | | | | 5 | F Wolmarans | 6 | 6 | | | | |
| | K Kim | 6 | 7 | | | | | | | K Kim | 1 | 2 | | | | |
| | R Borvanov | 4 | 6$^2$ | | K Kim | 6 | 4 | 6 | | | | | | | | |
| Q | D Rice | 3 | 1 | 2 | P Polansky | 3 | 6 | 2 | | | | | | | | |
| 2 | P Polansky | 6 | 6 | | | | | | | | | | | | | |