# 2009 Cyclus Open de Tênis – Singles

Nicolás Massú was the defending champion, but he chose to not compete this year. Guillaume Rufin won this tournament, after beating Pere Riba 6–4, 3–6, 6–3 in the final.

## Seeds

* Marcos Daniel (first round)
* Daniel Gimeno-Traver (second round)
* Blaž Kavčič (quarterfinals)
* Thiago Alves (first round)
* Pere Riba (final)
* Diego Junqueira (quarterfinals)
* Juan-Martín Aranguren (second round)
* Gastón Gaudio (semifinals)

## 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 | Final |
| | Guillaume Rufin | 6 | 6 | | | | | |
| Q | Andre Begemann | 3 | 1 | | | | | |
| Q | Andre Begemann | 3 | 1 | | Guillaume Rufin | 6 | 3 | 7 |
| | | | | 5 | Pere Riba | 4 | 6 | 5 |
| 8 | Gastón Gaudio | 3 | 2 | 5 | Pere Riba | 4 | 6 | 5 |
| 5 | Pere Riba | 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 | M Daniel | 4 | 4 | | | | | | | | | | | | | | | |
| | G Rufin | 6 | 6 | | | G Rufin | 6 | 6 | | | | | | | | | | |
| | M Alund | 6 | 7 | | | M Alund | 2 | 3 | | | | | | | | | | |
| Q | A Molteni | 2 | 5 | | | | | | | | G Rufin | 6 | 6 | | | | | |
| Q | A Miele | 1 | 1 | | | | | | | 6 | D Junqueira | 2 | 4 | | | | | |
| | R Dutra da Silva | 6 | 6 | | | R Dutra da Silva | 5 | 3 | | | | | | | | | | |
| | E Gomes | 6 | 2 | 0 | 6 | D Junqueira | 7 | 6 | | | | | | | | | | |
| 6 | D Junqueira | 4 | 6 | 6 | | | | | | | | | | | | G Rufin | 6 | 6 |
| 3 | B Kavčič | 7 | 6 | | | | | | | | | | | | Q | A Begemann | 3 | 1 |
| | M Demoliner | 5 | 1 | | 3 | B Kavčič | 3 | 7 | 6 | | | | | | | | | |
| | C Poch-Gradin | 6 | 6 | | | C Poch-Gradin | 6 | 5 | 3 | | | | | | | | | |
| | C Zampieri | 4 | 4 | | | | | | | 3 | B Kavčič | 6 | 5 | 1 | | | | |
| | F Bagnis | 4 | 4 | | | | | | | Q | A Begemann | 2 | 7 | 6 | | | | |
| Q | A Begemann | 6 | 6 | | Q | A Begemann | 6 | 6 | | | | | | | | | | |
| | G Olaso | 2 | 6$^3$ | | 7 | J-M Aranguren | 3 | 2 | | | | | | | | | | |
| 7 | J-M Aranguren | 6 | 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 | G Gaudio | 6 | 2 | 6 | | | | | | | | | | | | | | |
| Q | F Škugor | 3 | 6 | 2 | 8 | G Gaudio | 7 | 6 | | | | | | | | | | |
| | F Ferreiro | 3 | 1 | r | | L Kirche | 5 | 1 | | | | | | | | | | |
| | L Kirche | 6 | 2 | | | | | | | 8 | G Gaudio | 6 | 2 | 6 | | | | |
| | J Dasnières de Veigy | 6 | 6 | | | | | | | | J Dasnières de Veigy | 3 | 6 | 0 | | | | |
| WC | G Clézar | 3 | 3 | | | J Dasnières de Veigy | 6 | 7 | | | | | | | | | | |
| | L Pörschke | 3 | 7 | 6 | | L Pörschke | 3 | 5 | | | | | | | | | | |
| 4 | T Alves | 6 | 6$^5$ | 4 | | | | | | | | | | | 8 | G Gaudio | 2 | 3 |
| 5 | P Riba | 7 | 6 | | | | | | | | | | | | 5 | P Riba | 6 | 6 |
| | B Balleret | 6$^6$ | 0 | | 5 | P Riba | 4 | 7 | 7 | | | | | | | | | |
| | G Pella | 6 | 6 | | | G Pella | 6 | 5 | 5 | | | | | | | | | |
| ALT | G Sola | 3 | 1 | | | | | | | 5 | P Riba | 6 | 7 | | | | | |
| | I Cervantes-Huegun | 7 | 6 | | | | | | | | I Cervantes-Huegun | 3 | 6$^8$ | | | | | |
| | T Lopes | 6$^5$ | 1 | | | I Cervantes-Huegun | 3 | 7 | 6 | | | | | | | | | |
| | L Tavares | 6 | 3 | r | 2 | D Gimeno-Traver | 6 | 6$^8$ | 1 | | | | | | | | | |
| 2 | D Gimeno-Traver | 4 | 4 | | | | | | | | | | | | | | | |