# 2008 Copa Telmex – Singles

Juan Mónaco was the defending champion, but lost in the first round to Agustín Calleri.
David Nalbandian won in the final 3–6, 7–6$^{(7–5)}$, 6–4, against José Acasuso. This was until 2021 the last time a tennis player from Argentina won the singles tournament, and it was also the last all-argentine final until 2021.

## Seeds

* David Nalbandian (champion)
* Juan Mónaco (first round)
* Carlos Moyá (first round)
* Juan Ignacio Chela (semifinals)
* Nicolás Almagro (quarterfinals, retired due to a groin injury)
* Igor Andreev (quarterfinals)
* Potito Starace (quarterfinals)
* Filippo Volandri (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 |
| 1 | David Nalbandian | 6 | 6 | | | | | | |
| 4 | Juan Ignacio Chela | 1 | 2 | | | | | | |
| 4 | Juan Ignacio Chela | 1 | 2 | | 1 | David Nalbandian | 3 | 7$^7$ | 6 |
| | | | | | | José Acasuso | 6 | 6$^5$ | 4 |
| | José Acasuso | 4 | 6 | 6 | | José Acasuso | 6 | 6$^5$ | 4 |
| 8 | Filippo Volandri | 6 | 4 | 4 | | | | | |

### 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 | D Nalbandian | 6 | 6 | | | | | | | | | | | | | | | |
| | P Luczak | 3 | 3 | | 1 | D Nalbandian | 7$^7$ | 4 | 6 | | | | | | | | | |
| | F Fognini | 6 | 6 | | | F Fognini | 6$^5$ | 6 | 3 | | | | | | | | | |
| WC | E Schwank | 2 | 1 | | | | | | | 1 | D Nalbandian | 4 | 7$^7$ | 6 | | | | |
| SE | N Lapentti | 3 | 2 | | | | | | | 7 | P Starace | 6 | 6$^5$ | 4 | | | | |
| | JP Brzezicki | 6 | 6 | | | JP Brzezicki | 3 | 3 | | | | | | | | | | |
| | B Pašanski | 1 | 6 | 4 | 7 | P Starace | 6 | 6 | | | | | | | | | | |
| 7 | P Starace | 6 | 3 | 6 | | | | | | | | | | | 1 | D Nalbandian | 6 | 6 |
| 4 | JI Chela | 5 | 6 | 6 | | | | | | | | | | | 4 | JI Chela | 1 | 2 |
| | S Ventura | 7 | 3 | 2 | 4 | JI Chela | 6 | 6 | | | | | | | | | | |
| | W Eschauer | 4 | 4 | | Q | T Bellucci | 4 | 4 | | | | | | | | | | |
| Q | T Bellucci | 6 | 6 | | | | | | | 4 | JI Chela | 6 | 2 | | | | | |
| | Ó Hernández | 6 | 6 | | | | | | | 5 | N Almagro | 3 | 1$^r$ | | | | | |
| LL | É Prodon | 4 | 3 | | | Ó Hernández | 2 | 6 | 3 | | | | | | | | | |
| | M Vassallo Argüello | 6$^5$ | 6$^2$ | | 5 | N Almagro | 6 | 2 | 6 | | | | | | | | | |
| 5 | N Almagro | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | I Andreev | 6 | 6$^8$ | 7$^7$ | | | | | | | | | | | | | | | |
| | Montañés | 3 | 7$^{10}$ | 6$^4$ | 6 | I Andreev | 6 | 0 | 6 | | | | | | | | | | |
| | C Berlocq | 4 | 5 | | | J Vaněk | 1 | 6 | 4 | | | | | | | | | | |
| | J Vaněk | 6 | 7 | | | | | | | 6 | I Andreev | 6 | 1 | 3 | | | | | |
| Q | D Gimeno Traver | 2 | 6 | 6 | | | | | | | J Acasuso | 3 | 6 | 6 | | | | | |
| Q | R Ramírez Hidalgo | 6 | 1 | 2 | Q | D Gimeno Traver | 3 | 4 | | | | | | | | | | | |
| | J Acasuso | 6 | 6 | | | J Acasuso | 6 | 6 | | | | | | | | | | | |
| 3 | C Moyá | 2 | 4 | | | | | | | | | | | | | J Acasuso | 4 | 6 | 6 |
| 8 | F Volandri | 6 | 6 | | | | | | | | | | | | 8 | F Volandri | 6 | 4 | 4 |
| | N Massú | 4 | 2 | | 8 | F Volandri | 7 | 7 | | | | | | | | | | | |
| | S Roitman | 4 | | | | S Roitman | 5 | 5 | | | | | | | | | | | |
| Q | I Minář | 0$^r$ | | | | | | | | 8 | F Volandri | 6 | 6 | | | | | | |
| WC | M González | 4 | 4 | | | | | | | | A Calleri | 4 | 4 | | | | | | |
| | L Horna | 6 | 6 | | | L Horna | 6 | 2 | 2 | | | | | | | | | | |
| | A Calleri | 6 | 2 | 6 | | A Calleri | 3 | 6 | 6 | | | | | | | | | | |
| 2 | J Mónaco | 4 | 6 | 3 | | | | | | | | | | | | | | | |