# 2004 Indesit ATP Milan Indoor – Singles

Martin Verkerk was the defending champion but lost in the quarterfinals to Grégory Carraz.
Antony Dupuis won in the final 6–4, 6–7$^{(12–14)}$, 7–6$^{(7–5)}$ against Mario Ančić.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Jiří Novák (withdrew because of a leg injury)
* Martin Verkerk (quarterfinals)
* Tommy Robredo (quarterfinals)
* Feliciano López (first round)
* Ivan Ljubičić (first round)
* Rafael Nadal (second round)
* Sargis Sargsian (second round)
* Dominik Hrbatý (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
| 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 | Final | Final | Final | Final |
| LL | D Bracciali | 5 | 4 | | | | | | | | | | | | | | | | | | |
| | R Sluiter | 7 | 6 | | | R Sluiter | 3 | 3 | | | | | | | | | | | | | |
| | T Johansson | 6 | 6 | | | T Johansson | 6 | 6 | | | | | | | | | | | | | |
| | N Davydenko | 3 | 4 | | | | | | | | T Johansson | 7$^7$ | 7$^7$ | | | | | | | | |
| | R Štěpánek | 6$^5$ | 2 | | | | | | | | K Kučera | 6$^2$ | 6$^2$ | | | | | | | | |
| | K Kučera | 7$^7$ | 6 | | | K Kučera | 6 | 6 | | | | | | | | | | | | | |
| Q | A Seppi | 1 | 4 | | 7 | S Sargsian | 2 | 1 | | | | | | | | | | | | | |
| 7 | S Sargsian | 6 | 6 | | | | | | | | | | | | T Johansson | 3 | 4 | | | | |
| 3 | T Robredo | 6 | 7 | | | | | | | | | | | | M Ančić | 6 | 6 | | | | |
| WC | À Corretja | 4 | 5 | | 3 | T Robredo | 6 | 5 | 7$^7$ | | | | | | | | | | | | |
| WC | G Ivanišević | 7$^7$ | 3 | 7$^7$ | WC | G Ivanišević | 4 | 7 | 6$^4$ | | | | | | | | | | | | |
| | B Ulihrach | 6$^2$ | 6 | 6$^3$ | | | | | | 3 | T Robredo | 3 | 4 | | | | | | | | |
| | F Santoro | 2 | 3 | | | | | | | | M Ančić | 6 | 6 | | | | | | | | |
| | M Ančić | 6 | 6 | | | M Ančić | 7 | 6 | | | | | | | | | | | | | |
| | I Karlović | 5 | 7$^7$ | 1 | 6 | R Nadal | 5 | 2 | | | | | | | | | | | | | |
| 6 | R Nadal | 7 | 6$^5$ | 6 | | | | | | | | | | | | | | Mario Ančić | 4 | 7$^{14}$ | 6$^5$ |
| 8 | D Hrbatý | 4 | 6 | 6 | | | | | | | | | | | | | | Antony Dupuis | 6 | 6$^{12}$ | 7$^7$ |
| | I Andreev | 6 | 3 | 2 | 8 | D Hrbatý | 4 | 3 | | | | | | | | | | | | | |
| | M Youzhny | 7$^7$ | 6 | | | M Youzhny | 6 | 6 | | | | | | | | | | | | | |
| WC | G Galimberti | 6$^5$ | 3 | | | | | | | | M Youzhny | 7 | 6$^5$ | 6$^5$ | | | | | | | |
| Q | I Heuberger | 6 | 6 | | | | | | | | A Dupuis | 5 | 7$^7$ | 7$^7$ | | | | | | | |
| | A Martín | 1 | 4 | | Q | I Heuberger | 6$^4$ | 3 | | | | | | | | | | | | | |
| | A Dupuis | 6 | 7$^8$ | | | A Dupuis | 7$^7$ | 6 | | | | | | | | | | | | | |
| 4 | F López | 3 | 6$^6$ | | | | | | | | | | | | A Dupuis | 6 | 6 | | | | |
| 5 | I Ljubičić | 4 | 4 | | | | | | | | | | | | G Carraz | 4 | 4 | | | | |
| | K Beck | 6 | 6 | | | K Beck | 4 | 7$^{16}$ | 6$^5$ | | | | | | | | | | | | |
| Q | V Santopadre | 7$^{10}$ | 3 | 3 | | G Carraz | 6 | 6$^{14}$ | 7$^7$ | | | | | | | | | | | | |
| | G Carraz | 6$^8$ | 6 | 6 | | | | | | | G Carraz | 6 | 7$^7$ | | | | | | | | |
| Q | S Bohli | 3 | 4 | | | | | | | 2 | M Verkerk | 3 | 6$^3$ | | | | | | | | |
| | N Escudé | 6 | 6 | | | N Escudé | 3 | 4 | | | | | | | | | | | | | |
| | D Sanguinetti | 4 | 6$^0$ | | | M Verkerk | 6 | 6 | | | | | | | | | | | | | |
| 2 | M Verkerk | 6 | 7$^7$ | | | | | | | | | | | | | | | | | | |