# 2003 Czech Indoor Open – Singles

The 2003 Czech Indoor Open Open was a men's tennis tournament played on indoor hard courts in Průhonice, Czech Republic, and was part of the 2003 ATP Challenger Series.
It was the first edition of the tournament and was held from 17 to 23 November 2003.
Marc Rosset won in the final 7–6$^{(7–4)}$, 6$^{(1–7)}$–7, 7–6$^{(7–3)}$, against Dick Norman.

## Seeds

* Davide Sanguinetti (second round)
* Tomáš Berdych (first round)
* Fernando Verdasco (first round)
* Dennis van Scheppingen (second round)
* Marc Rosset (champion)
* Kenneth Carlsen (semifinals)
* Stefano Pescosolido (quarterfinals)

## 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 |
| 5 | Marc Rosset | 7 | 6$^4$ | 7 | | | | | |
| 6 | Kenneth Carlsen | 6$^5$ | 7 | 6$^5$ | | | | | |
| 6 | Kenneth Carlsen | 6$^5$ | 7 | 6$^5$ | 5 | Marc Rosset | 7 | 6$^1$ | 7 |
| | | | | | | Dick Norman | 6$^4$ | 7 | 6$^3$ |
| Dick Norman | Dick Norman | 7 | 3 | 6 | | Dick Norman | 6$^4$ | 7 | 6$^3$ |
| Jan Vacek | Jan Vacek | 6$^2$ | 6 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Sanguinetti | 6 | 6$^6$ | 6 | | | | | | | | | | | | | | |
| | Ivo Minář | 4 | 7 | 1 | 1 | D Sanguinetti | 4 | 0 | | | | | | | | | | |
| | Bohdan Ulihrach | 7 | 7 | | | Bohdan Ulihrach | 6 | 6 | | | | | | | | | | |
| | Martin Štěpánek | 5 | 6$^6$ | | | | | | | Bohdan Ulihrach | 7 | 5 | 3 | | | | | |
| | Janko Tipsarević | 6 | 7 | | | | | | 5 | Marc Rosset | 5 | 7 | 6 | | | | | |
| | M Kratochvil | 2 | 5 | | | Janko Tipsarević | 4 | 0r | | | | | | | | | | |
| 5 | Marc Rosset | 7 | 6 | | 5 | Marc Rosset | 6 | 1 | | | | | | | | | | |
| | Tomáš Zíb | 5 | 4 | | | | | | | | | | | 5 | Marc Rosset | 7 | 6$^4$ | 7 |
| | Gilles Elseneer | 7 | 6 | | | | | | | | | | | 6 | Kenneth Carlsen | 6$^5$ | 7 | 6$^5$ |
| 3 | F Verdasco | 6$^8$ | 3 | | | Gilles Elseneer | 6 | 6 | | | | | | | | | | |
| | G Galimberti | 6 | 6 | | | G Galimberti | 3 | 2 | | | | | | | | | | |
| | Nikola Krunt | 0 | 0 | | | | | | | Gilles Elseneer | 6$^2$ | 4 | | | | | | |
| | Paul Baccanello | 6 | 6 | | | | | | 6 | Kenneth Carlsen | 7 | 6 | | | | | | |
| | J-C Scherrer | 3 | 4 | | | Paul Baccanello | 4 | 4 | | | | | | | | | | |
| 6 | Kenneth Carlsen | 4 | 6 | 6 | 6 | Kenneth Carlsen | 6 | 6 | | | | | | | | | | |
| | Alexander Waske | 6 | 3 | 4 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | S Pescosolido | 6 | 6 | | | | | | | | | | | | | | |
| | Pavel Šnobel | 1 | 4 | | 7 | S Pescosolido | 6 | 0 | 6 | | | | | | | | |
| | Danai Udomchoke | 6 | 2 | | | Danai Udomchoke | 4 | 6 | 3 | | | | | | | | |
| | Björn Phau | 2 | 0r | | | | | | | 7 | S Pescosolido | 6$^5$ | 1 | | | | |
| | Dick Norman | 7 | 7 | | | | | | | | Dick Norman | 7 | 6 | | | | |
| | Nicolás Almagro | 6$^6$ | 6$^5$ | | | Dick Norman | 7 | 3 | 7 | | | | | | | | |
| 4 | D van Scheppingen | 6 | 6 | | 4 | D van Scheppingen | 6$^5$ | 6 | 6$^8$ | | | | | | | | |
| | Jan Zelezny | 4 | 1 | | | | | | | | | | | Dick Norman | 7 | 3 | 6 |
| | Arvind Parmar | 6 | 6 | | | | | | | | | | | Jan Vacek | 6$^2$ | 6 | 4 |
| | Robin Vik | 3 | 4 | | | Arvind Parmar | 6 | 5 | 5 | | | | | | | | |
| | Jan Vacek | 6 | 6 | | | Jan Vacek | 4 | 7 | 7 | | | | | | | | |
| | Jiří Vaněk | 2 | 1 | | | | | | | | Jan Vacek | 7 | 6 | | | | |
| | Daniel Elsner | 6 | 6 | | | | | | | | Takao Suzuki | 6$^8$ | 3 | | | | |
| | Johan Settergren | 3 | 4 | | | Daniel Elsner | 2 | 3 | | | | | | | | | |
| | Takao Suzuki | 3 | 7 | 6 | | Takao Suzuki | 6 | 6 | | | | | | | | | |
| 2 | Tomáš Berdych | 6 | 5 | 2 | | | | | | | | | | | | | |