# 2010 Košice Open – Singles

Stéphane Robert was the defending champion, but he chose not to compete this year. Rubén Ramírez Hidalgo won in the final 6–3, 6–2 against Filip Krajinović.

## Seeds

* Jan Hájek (first round)
* Fabio Fognini (second round)
* Rubén Ramírez Hidalgo (champion)
* Óscar Hernández (first round)
* Mikhail Kukushkin (semifinals)
* David Guez (first round)
* Victor Crivoi (quarterfinals)
* Dieter Kindlmann (second 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 | Semifinals | Final | Final | Final | Final |
| 5 | Mikhail Kukushkin | 6 | 5 | 5 | | | | |
| 3 | Rubén Ramírez Hidalgo | 2 | 7 | 7 | | | | |
| 3 | Rubén Ramírez Hidalgo | 2 | 7 | 7 | 3 | Rubén Ramírez Hidalgo | 6 | 6 |
| | | | | | | Filip Krajinović | 3 | 2 |
| | Caio Zampieri | 6 | 1 | 1 | | Filip Krajinović | 3 | 2 |
| | Filip Krajinović | 4 | 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 | Semifinals |
| 1 | J Hájek | 1 | 5 | | | | | | | | | | | | | | | | |
| | I Minář | 6 | 7 | | | I Minář | 6 | 6 | | | | | | | | | | | |
| | Y Mertens | 2 | 2 | | | P Polansky | 4 | 3 | | | | | | | | | | | |
| | P Polansky | 6 | 6 | | | | | | | | I Minář | 2 | 5 | | | | | | |
| | Y Schukin | 6 | 7 | | | | | | | 5 | M Kukushkin | 6 | 7 | | | | | | |
| | M Kližan | 3 | 6$^3$ | | | Y Schukin | 4 | 6 | 3 | | | | | | | | | | |
| WC | M Přikryl | 2 | 0 | | 5 | M Kukushkin | 6 | 4 | 6 | | | | | | | | | | |
| 5 | M Kukushkin | 6 | 6 | | | | | | | | | | | | 5 | M Kukushkin | 6 | 5 | 5 |
| 3 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | | 3 | R Ramírez Hidalgo | 2 | 7 | 7 |
| | J Vaněk | 3 | 4 | | 3 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | |
| WC | A Martin | 6 | 5 | 3 | | J Dasnières de Veigy | 3 | 0 | | | | | | | | | | | |
| | J Dasnières de Veigy | 3 | 7 | 6 | | | | | | 3 | R Ramírez Hidalgo | 2 | 6 | 6 | | | | | |
| Q | J Minář | 6 | 6 | | | | | | | 7 | V Crivoi | 6 | 1 | 4 | | | | | |
| | A Balázs | 4 | 0 | | Q | J Minář | 6 | 2 | 2 | | | | | | | | | | |
| | P Capdeville | 6 | 2 | 2 | 7 | V Crivoi | 2 | 6 | 6 | | | | | | | | | | |
| 7 | V Crivoi | 3 | 6 | 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 |
| 6 | D Guez | 3 | 6 | 2 | | | | | | | | | | | | | | |
| | L Rosol | 6 | 3 | 6 | | L Rosol | 4 | 6 | 4 | | | | | | | | | |
| Q | M Semjan | 4 | 2 | | | C Zampieri | 6 | 0 | 6 | | | | | | | | | |
| | C Zampieri | 6 | 6 | | | | | | | | C Zampieri | 5 | 7 | 6 | | | | |
| | L Recouderc | 6 | 6 | | | | | | | | J Aguilar | 7 | 6$^4$ | 4 | | | | |
| WC | M Kowalczyk | 2 | 1 | | | L Recouderc | 1 | 3 | | | | | | | | | | |
| | J Aguilar | 6 | 6 | | | J Aguilar | 6 | 6 | | | | | | | | | | |
| 4 | Ó Hernández | 2 | 4 | | | | | | | | | | | | C Zampieri | 6 | 1 | 1 |
| 8 | D Kindlmann | 6 | 6 | | | | | | | | | | | | F Krajinović | 4 | 6 | 6 |
| | R Hocevar | 4 | 2 | | 8 | D Kindlmann | 2 | 1 | | | | | | | | | | |
| | F Krajinović | 1 | 7 | 6 | | F Krajinović | 6 | 6 | | | | | | | | | | |
| Q | A Lobkov | 6 | 5 | 3 | | | | | | | F Krajinović | 6 | 6 | | | | | |
| | B Balleret | 6$^7$ | 0 | | | | | | | WC | M Mečíř Jr. | 2 | 4 | | | | | |
| WC | M Mečíř Jr. | 7 | 6 | | WC | M Mečíř Jr. | 2 | 6 | 6 | | | | | | | | | |
| Q | A Smirnov | 4 | 7 | 1 | 2 | F Fognini | 6 | 4 | 4 | | | | | | | | | |
| 2 | F Fognini | 6 | 5 | 6 | | | | | | | | | | | | | | |