# 2010 Aberto Santa Catarina de Tenis – Singles

Marcelo Demoliner was the defending champion, but he lost against Ricardo Mello in the first round. Marcos Daniel won in the final 7–5, 6–7(5), 6–4 against Bastian Knittel.

## Seeds

* Nicolás Massú (quarterfinals)
* Blaž Kavčič (second round)
* Ricardo Mello (second round)
* Marcos Daniel (champion)
* Thiago Alves (second round)
* Júlio Silva (semifinals)
* Juan Pablo Brzezicki (second round)
* Diego Junqueira (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 | Semifinals | Final | Final | Final | Final | Final |
| 8 | Diego Junqueira | 7 | 4 | 4 | | | | | |
| | Bastian Knittel | 5 | 6 | 6 | | | | | |
| | Bastian Knittel | 5 | 6 | 6 | | Bastian Knittel | 5 | 7 | 4 |
| | | | | | 4 | Marcos Daniel | 7 | 6$^5$ | 6 |
| 4 | Marcos Daniel | 6 | 6 | | 4 | Marcos Daniel | 7 | 6$^5$ | 6 |
| 6 | Júlio Silva | 4 | 3 | | | | | | |

### 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 | Semifinals |
| 1 | N Massú | 6 | 7 | | | | | | | | | | | | | | | |
| | C Poch-Gradin | 4 | 5 | | 1 | N Massú | 7 | 6 | | | | | | | | | | |
| WC | G Clezar | 3 | 2 | | WC | R Guidolin | 5 | 4 | | | | | | | | | | |
| WC | R Guidolin | 6 | 6 | | | | | | | 1 | N Massú | 6$^5$ | 2 | | | | | |
| | R Dutra da Silva | 6 | 7 | | | | | | | 8 | D Junqueira | 7 | 6 | | | | | |
| Q | A Miele | 1 | 5 | | | R Dutra da Silva | 5 | 7 | 4 | | | | | | | | | |
| | R Hocevar | 4 | 2 | | 8 | D Junqueira | 7 | 6$^2$ | 6 | | | | | | | | | |
| 8 | D Junqueira | 6 | 6 | | | | | | | | | | | 8 | D Junqueira | 7 | 4 | 4 |
| 3 | R Mello | 6 | 6 | | | | | | | | | | | | B Knittel | 5 | 6 | 6 |
| | M Demoliner | 4 | 2 | | 3 | R Mello | 3 | 4 | | | | | | | | | | |
| | A Ghem | 5 | 1 | | | C Berlocq | 6 | 6 | | | | | | | | | | |
| | C Berlocq | 7 | 6 | | | | | | | | C Berlocq | 4 | 4 | | | | | |
| Q | L Kirche | 6 | 2 | 4 | | | | | | | B Knittel | 6 | 6 | | | | | |
| | B Knittel | 3 | 6 | 6 | | B Knittel | 4 | 6 | 6 | | | | | | | | | |
| | S Vagnozzi | 2 | 6 | 1 | 7 | JP Brzezicki | 6 | 0 | 2 | | | | | | | | | |
| 7 | JP Brzezicki | 6 | 0 | 6 | | | | | | | | | | | | | | |

### 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 |
| 5 | T Alves | 6 | 6 | | | | | | | | | | | | | | | |
| | C Zampieri | 3 | 4 | | 5 | T Alves | 4 | 2 | | | | | | | | | | |
| | M Felder | 6 | 2 | 1 | | R El Amrani | 6 | 6 | | | | | | | | | | |
| | R El Amrani | 4 | 6 | 6 | | | | | | | R El Amrani | 5 | 6 | 1 | | | | |
| | G Trujillo Soler | 6 | 6 | | | | | | | 4 | M Daniel | 7 | 2 | 6 | | | | |
| WC | T Fernandes | 2 | 3 | | | G Trujillo Soler | 6 | 0 | 4 | | | | | | | | | |
| | A Haider-Maurer | 4 | 4 | | 4 | M Daniel | 3 | 6 | 6 | | | | | | | | | |
| 4 | M Daniel | 6 | 6 | | | | | | | | | | | | 4 | M Daniel | 6 | 6 |
| 6 | J Silva | 6 | 6 | | | | | | | | | | | | 6 | J Silva | 4 | 3 |
| Q | T Lopes | 2 | 2 | | 6 | J Silva | 7 | 6 | | | | | | | | | | |
| WC | B Wolkmann | 2 | 4 | | | A Bedene | 6$^2$ | 4 | | | | | | | | | | |
| | A Bedene | 6 | 6 | | | | | | | 6 | J Silva | 1 | 6 | 6 | | | | |
| | G Alcaide | 6 | 6 | | | | | | | | G Alcaide | 6 | 3 | 1 | | | | |
| | G Olaso | 1 | 3 | | | G Alcaide | 6 | 6 | | | | | | | | | | |
| Q | I Miranda | 7 | 3 | 5 | 2 | B Kavčič | 1 | 0 | | | | | | | | | | |
| 2 | B Kavčič | 6$^1$ | 6 | 6 | | | | | | | | | | | | | | |