# 2007 ATP Buenos Aires – Singles

Carlos Moyá was the defending champion, but was eliminated in the round robin competition.
Juan Mónaco won the title, defeating Alessio di Mauro 6–1, 6–2 in the final.

## Seeds

    01. David Nalbandian (round robin)
    02. Juan Carlos Ferrero (round robin)
    03. Agustín Calleri (round robin, withdrew due to a back fibrosis)
    04. Nicolás Almagro (semifinals)
    05. Carlos Moyá (round robin)
    06. Gastón Gaudio (round robin, withdrew because of personal reasons)
    07. Juan Ignacio Chela (quarterfinals)
    08. José Acasuso (round robin, retired due to a right elbow injury)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| | Luis Horna | 6 | 2 | 3 | | | | | | | |
| | Juan Mónaco | 4 | 6 | 6 | | | | | | | |
| | Juan Mónaco | 4 | 6 | 6 | | Juan Mónaco | 6 | 7$^7$ | | | |
| | | | | | 4 | Nicolás Almagro | 1 | 6$^3$ | | | |
| 4 | Nicolás Almagro | 6 | 6 | | 4 | Nicolás Almagro | 1 | 6$^3$ | | | |
| 7 | Juan Ignacio Chela | 4 | 3 | | | | | | | | |
| 7 | Juan Ignacio Chela | 4 | 3 | | | | | | Juan Mónaco | 6 | 6 |
| | | | | | | | | | Alessio di Mauro | 1 | 2 |
| | Alessio di Mauro | 1 | 6 | 6 | | | | | | | | Alessio di Mauro | 1 | 2 |
| | Albert Montañés | 6 | 4 | 2 | | | | | | | |
| | Albert Montañés | 6 | 4 | 2 | | Alessio di Mauro | 6 | 6 | | | |
| | | | | | WC | Diego Hartfield | 1 | 4 | | | |
| WC | Diego Hartfield | 6 | 7 | | WC | Diego Hartfield | 1 | 4 | | | |
| | Nicolas Devilder | 4 | 5 | | | | | | | | |

### Round robin

| | Group 1 | Nalbandian | Horna | Cañas | RR W–L | Set W–L | Game W–L | Standings |
| 1 | David Nalbandian | | 4–6, 3–6 | 4–6, 4–6 | 0–2 | 0–4 (0.0%) | 15–24 (38.5%) | 3 |
| | Luis Horna | 6–4, 6–3 | | 4–6, 6–2, 6–2 | 2–0 | 4–1 (80.0%) | 28–17 (62.2%) | 1 |
| SE | Guillermo Cañas | 6–4, 6–4 | 6–4, 2–6, 2–6 | | 1–1 | 3–2 (60.0%) | 22–24 (47.8%) | 2 |
| | Group 2 | Moyá | Mónaco | Starace | RR W–L | Set W–L | Game W–L | Standings |
| 5 | Carlos Moyá | | 4–6, 7–6$^{(7–3)}$, 0–6 | 6–4, 6–4 | 1–1 | 3–2 (60.0%) | 23–26 (46.9%) | 2 |
| | Juan Mónaco | 6–4, 6–7$^{(3–7)}$, 6–0 | | 6–3, 6–4 | 2–0 | 4–1 (80.0%) | 30–18 (62.5%) | 1 |
| | Potito Starace | 4–6, 4–6 | 3–6, 4–6 | | 0–2 | 0–4 (0.0%) | 15–24 (38.5%) | 3 |
| | Group 3 | Almagro | Vassallo Argüello | Galvani | RR W–L | Set W–L | Game W–L | Standings |
| 4 | Nicolás Almagro | | 7–5, 6–4 | 6–4, 7–6$^{(7–2)}$ | 2–0 | 4–0 (100%) | 26–19 (57.8%) | 1 |
| | Martín Vassallo Argüello | 5–7, 4–6 | | 6–2, 6–4 | 1–1 | 2–2 (50.0%) | 21–19 (52.5%) | 2 |
| LL | Stefano Galvani | 4–6, 6–7$^{(2–7)}$ | 2–6, 4–6 | | 0–2 | 0–4 (0.0%) | 16–25 (39.0%) | 3 |
| | Group 4 | Chela | Martín | Andreev | RR W–L | Set W–L | Game W–L | Standings |
| 7 | Juan Ignacio Chela | | 6–1, 6–3 | 3–6, 7–5, 6–3 | 2–0 | 4–1 (80.0%) | 28–18 (60.9%) | 1 |
| | Alberto Martín | 1–6, 3–6 | | 3–6, 6–2, 1–6 | 0–2 | 1–4 (20.0%) | 14–26 (35.0%) | 3 |
| | Igor Andreev | 6–3, 5–7, 3–6 | 6–3, 2–6, 6–1 | | 1–1 | 3–3 (50.0%) | 28–26 (51.8%) | 2 |
| | Group 5 | Gaudio Berlocq | Ramírez Hidalgo | di Mauro | RR W–L | Set W–L | Game W–L | Standings |
| 6 LL | Gastón Gaudio Carlos Berlocq | | 1–6, 1–6 (w/ Gaudio) | 6–1, 6–4 (w/ Berlocq) | 0–1 1–0 | 0–2 (0.0%) 2–0 (100%) | 2–12 (14.3%) 12–5 (70.6%) | X 3 |
| | Rubén Ramírez Hidalgo | 6–1, 6–1 (w/ Gaudio) | | 4–6, 6–7$^{(8–10)}$ | 1–1 | 2–2 (50.0%) | 22–15 (59.4%) | 2 |
| | Alessio di Mauro | 1–6, 4–6 (w/ Berlocq) | 6–4, 7–6$^{(10–8)}$ | | 1–1 | 2–2 (50.0%) | 18–22 (45.0%) | 1 |
Due to Gaudio's withdrawal from the tournament, di Mauro advanced to Quarterfinals based on head-to-head results against Ramírez Hidalgo.
| | Group 6 | Calleri Vaněk | Montañés | Saretta | RR W–L | Set W–L | Game W–L | Standings |
| 3 LL | Agustín Calleri Jiří Vaněk | | 7–6$^{(7–4)}$, 4–6, 4–6 (w/ Calleri) | 6–7$^{(8–10)}$, 7–6$^{(7–2)}$, 3–6 (w/ Vaněk) | 0–1 0–1 | 1–2 (33.3%) 1–2 (33.3%) | 15–18 (45.4%) 16–19 (45.7%) | X 3 |
| | Albert Montañés | 6–7$^{(4–7)}$, 6–4, 6–4 (w/ Calleri) | | 6–3, 6–3 | 2–0 | 4–1 (80.0%) | 30–21 (58.8%) | 1 |
| SE | Flávio Saretta | 7–6$^{(10–8)}$, 6–7$^{(2–7)}$, 6–3 (w/ Vaněk) | 3–6, 3–6 | | 1–1 | 2–3 (40.0%) | 25–28 (47.2%) | 2 |
| | Group 7 | Acasuso | Roitman | Hartfield | RR W–L | Set W–L | Game W–L | Standings |
| 8 | José Acasuso | | 6–7$^{(4–7)}$, 1–6 | 3–6, 0–0, ret. | 0–2 | 0–4 (0.0%) | 10–19 (34.5%) | 3 |
| | Sergio Roitman | 7–6$^{(7–4)}$, 6–1 | | 7–5, 4–6, 6–7$^{(4–7)}$ | 1–1 | 3–2 (60.0%) | 30–25 (54.5%) | 2 |
| WC | Diego Hartfield | 6–3, 0–0, ret. | 5–7, 6–4, 7–6$^{(7–4)}$ | | 2–0 | 4–1 (80.0%) | 24–20 (54.5%) | 1 |
| | Group 8 | Ferrero | Lapentti Dlouhý | Devilder | RR W–L | Set W–L | Game W–L | Standings |
| 2 | Juan Carlos Ferrero | | 6–3, 6–3 (w/ Dlouhý) | 6–1, 6–7$^{(2–7)}$, 0–6 | 1–1 | 3–2 (60.0%) | 24–20 (54.5%) | 2 |
| LL | Nicolás Lapentti Lukáš Dlouhý | 3–6, 3–6 (w/ Dlouhý) | | 6–3, 2–6, 6–3 (w/ Lapentti) | 1–0 0–1 | 2–1 (66.7%) 0–2 (0.0%) | 14–12 (53.9%) 6–12 (33.3%) | X 3 |
| | Nicolas Devilder | 1–6, 7–6$^{(7–2)}$, 6–0 | 3–6, 6–2, 3–6 (w/ Lapentti) | | 1–1 | 3–3 (50.0%) | 26–26 (50.0%) | 1 |
Due to Lapentti's withdrawal from the tournament, Devilder advanced to Quarterfinals based on head-to-head results against Ferrero.

## Elimination round

Prior to the round robin and after the completion of the qualifying draws, the 16 players with the lowest tier in the tournament (4 qualifiers, 3 wild cards, 1 lucky loser, 2 special exempts and 6 based on ATP rankings) competed in the elimination round in order to get one of the 8 last spots into the round robin competition. Winners in this round entered as main entrants.
Main draw elimination round :
| Event | Winner | Loser | Score |
| Main Entrant 1 | Stefano Galvani [LL] | Diego Junqueira [Q] | 6–4, 4–6, 7–5 |
| Main Entrant 2 | Potito Starace | Mariano Zabaleta [WC] | 7–6$^{(11–9)}$, 6–2 |
| Main Entrant 3 | Alessio di Mauro | Carlos Berlocq [Q] $^{RR-LL}$ | 6–1, 6–3 |
| Main Entrant 4 | Igor Andreev | Jiří Vaněk $^{RR-LL}$ | 6–4, 6–4 |
| Main Entrant 5 | Nicolas Devilder | Juan Pablo Brzezicki [Q] | 6–3, 5–7, 6–3 |
| Main Entrant 6 | Guillermo Cañas [SE] | Juan Pablo Guzmán [WC] | 7–6$^{(7–4)}$, 6–3 |
| Main Entrant 7 | Diego Hartfield [WC] | Denis Gremelmayr [Q] | 7–6$^{(7–5)}$, 6–1 |
| Main Entrant 8 | Flávio Saretta [SE] | Lukáš Dlouhý $^{RR-LL}$ | 6–3, 6–1 |
$^{RR-LL}$: Berlocq, Vaněk and Dlouhý entered the round robin competition as lucky losers.

## Qualifying
### Seeds

    01. Óscar Hernández (first round, retired)
    02. Olivier Patience (first round)
    03. Stefano Galvani (qualifying competition, lucky loser)
    04. Carlos Berlocq (qualified)
    05. Gorka Fraile (qualifying competition)
    06. Boris Pašanski (first round)
    07. Denis Gremelmayr (qualified)
    08. Paolo Lorenzi (first round)

### Qualifiers

* Denis Gremelmayr
* Diego Junqueira
* Juan Pablo Brzezicki
* Carlos Berlocq

### Lucky loser

* Stefano Galvani

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Óscar Hernández | 2 | 0$^r$ | | | | |
| WC | Guido Pella | 6 | 0 | | | | |
| WC | Guido Pella | 6 | 0 | WC | Guido Pella | 3 | 1 |
| | | | | 7 | Denis Gremelmayr | 6 | 6 |
| | Pablo Andújar | 3 | 6$^{10}$ | 7 | Denis Gremelmayr | 6 | 6 |
| 7 | Denis Gremelmayr | 6 | 7$^{12}$ | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Olivier Patience | 3 | 6 | 6$^7$ | | | | |
| | Diego Junqueira | 6 | 4 | 7$^9$ | | | | |
| | Diego Junqueira | 6 | 4 | 7$^9$ | | Diego Junqueira | 6 | 7 |
| | | | | | 5 | Gorka Fraile | 3 | 5 |
| | Cristian Villagrán | 6 | 4 | 3 | 5 | Gorka Fraile | 3 | 5 |
| 5 | Gorka Fraile | 2 | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Stefano Galvani | 6 | 6 | | | | |
| | Edgardo Massa | 4 | 0 | | | | |
| | Edgardo Massa | 4 | 0 | 3 | Stefano Galvani | 3 | 6$^5$ |
| | | | | | Juan Pablo Brzezicki | 6 | 7$^7$ |
| | Juan Pablo Brzezicki | 7$^7$ | 6 | | Juan Pablo Brzezicki | 6 | 7$^7$ |
| 8 | Paolo Lorenzi | 6$^2$ | 0 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Carlos Berlocq | 6 | 6 | | | | |
| WC | Horacio Zeballos | 3 | 3 | | | | |
| WC | Horacio Zeballos | 3 | 3 | 4 | Carlos Berlocq | 6 | 6 |
| | | | | WC | Eduardo Schwank | 3 | 4 |
| WC | Eduardo Schwank | 6 | 6 | WC | Eduardo Schwank | 3 | 4 |
| 6 | Boris Pašanski | 4 | 2 | | | | |