# 2001 AAPT Championships – Singles

The tournament was played between January 1 and January 7, 2001. Lleyton Hewitt was the defending champion but lost in the quarterfinals to Tommy Haas.
Haas won in the final 6–3, 6–1 against Nicolás Massú.

## Seeds

* Lleyton Hewitt (quarterfinals)
* Tim Henman (semifinals)
* Arnaud Clément (second round)
* Sébastien Grosjean (first round)
* Tommy Haas (champion)
* Andrei Pavel (second round)
* Thomas Johansson (quarterfinals)
* Andrew Ilie (first 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
* NG = Next Gen Accelerator Program entrant

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 5 | Tommy Haas | 7$^7$ | 6 | | | | | |
| | Jason Stoltenberg | 6$^3$ | 4 | | | | | |
| | Jason Stoltenberg | 6$^3$ | 4 | | 5 | Tommy Haas | 6 | 6 |
| | | | | | | Nicolás Massú | 3 | 1 |
| | Nicolás Massú | 3 | 7 | 6 | | Nicolás Massú | 3 | 1 |
| 2 | Tim Henman | 6 | 5 | 2 | | | | |

### 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 |
| WC/1 | L Hewitt | 6 | 6 | | | | | | | | | | | | | | | |
| | W Arthurs | 4 | 3 | | WC/1 | L Hewitt | 6$^5$ | 6 | 6 | | | | | | | | | |
| WC | T Woodbridge | 5 | 1 | | Q | B Phau | 7$^7$ | 4 | 0 | | | | | | | | | |
| Q | B Phau | 7 | 6 | | | | | | | WC/1 | L Hewitt | 4 | 6 | 1 | | | | |
| | C Woodruff | 6 | 3 | 2 | | | | | | 5 | T Haas | 6 | 0 | 6 | | | | |
| Q | X Malisse | 2 | 6 | 6 | Q | X Malisse | 5 | 3 | | | | | | | | | | |
| WC | L Smith | 3 | 3 | | 5 | T Haas | 7 | 6 | | | | | | | | | | |
| 5 | T Haas | 6 | 6 | | | | | | | | | | | | 5 | T Haas | 7$^7$ | 6 |
| 4 | S Grosjean | 3 | 2 | | | | | | | | | | | | | J Stoltenberg | 6$^3$ | 4 |
| | J Stoltenberg | 6 | 6 | | | J Stoltenberg | 6 | 6 | | | | | | | | | | |
| Q | A Jones | 4 | 2 | | | P Goldstein | 2 | 2 | | | | | | | | | | |
| | P Goldstein | 6 | 6 | | | | | | | | J Stoltenberg | 6 | 6 | | | | | |
| | A Martín | 6 | 6 | | | | | | | | A Martín | 3 | 4 | | | | | |
| | G Puentes | 2 | 3 | | | A Martín | 3 | 7$^7$ | 7 | | | | | | | | | |
| | C Rochus | 1 | 7$^7$ | 7 | | C Rochus | 6 | 6$^5$ | 5 | | | | | | | | | |
| 8 | A Ilie | 6 | 6$^2$ | 5 | | | | | | | | | | | | | | |

### 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 | A Pavel | 6 | 6 | | | | | | | | | | | | | | | | |
| | J Gimelstob | 2 | 2 | | 6 | A Pavel | 6 | 5 | 4 | | | | | | | | | | |
| | I Ljubičić | 6 | 7 | | | I Ljubičić | 3 | 7 | 6 | | | | | | | | | | |
| | S Sargsian | 2 | 5 | | | | | | | | I Ljubičić | 7$^7$ | 6$^5$ | 2 | | | | | |
| | N Massú | 6 | 6 | | | | | | | | N Massú | 6$^5$ | 7$^7$ | 6 | | | | | |
| | R Sluiter | 2 | 4 | | | N Massú | 6 | 6 | | | | | | | | | | | |
| | A Gaudenzi | 7$^7$ | 0 | 3 | 3 | A Clément | 2 | 2 | | | | | | | | | | | |
| 3 | A Clément | 6$^1$ | 6 | 6 | | | | | | | | | | | | N Massú | 3 | 7 | 6 |
| 7 | T Johansson | 7$^7$ | 6 | | | | | | | | | | | | 2 | T Henman | 6 | 5 | 2 |
| | F Mantilla | 6$^3$ | 2 | | 7 | T Johansson | 7 | 6 | | | | | | | | | | | |
| | A Popp | 6$^5$ | 4 | | | C Vinck | 5 | 3 | | | | | | | | | | | |
| | C Vinck | 7$^7$ | 6 | | | | | | | 7 | T Johansson | 6$^2$ | 7$^7$ | 3 | | | | | |
| | J Tarango | 6 | 7$^7$ | | | | | | | 2 | T Henman | 7$^7$ | 6$^4$ | 6 | | | | | |
| Q | M Kohlmann | 3 | 6$^4$ | | | J Tarango | 1 | 4 | | | | | | | | | | | |
| | G Rusedski | 2 | 6$^4$ | | 2 | T Henman | 6 | 6 | | | | | | | | | | | |
| 2 | T Henman | 6 | 7$^7$ | | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* n/a
* Xavier Malisse (Qualifier)
* Cristiano Caratti (second round)
* Bob Bryan (second round)
* Michaël Llodra (second round)
* Stefano Tarallo (first round)
* Werner Eschauer (second round)
* Julián Alonso (first round)

### Qualifiers

* Björn Phau
* Xavier Malisse
* Alun Jones
* Michael Kohlmann

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Final Round | Final Round | Final Round | Final Round |
| Alt | Jean-Michel Pequery | 6 | 6 | | | | | | | | | |
| WC | Nicolas Mahut | 3 | 2 | | | | | | | | | |
| WC | Nicolas Mahut | 3 | 2 | | Alt | Jean-Michel Pequery | 6 | 6 | | | | |
| | | | | | | Éric Prodon | 3 | 2 | | | | |
| | Éric Prodon | 6$^4$ | 7$^7$ | 6 | | Éric Prodon | 3 | 2 | | | | |
| WC | Josh Tuckfield | 7$^7$ | 6$^5$ | 3 | | | | | | | | |
| WC | Josh Tuckfield | 7$^7$ | 6$^5$ | 3 | | | | | Alt | Jean-Michel Pequery | 4 | 4 |
| | | | | | | | | | | Björn Phau | 6 | 6 |
| | Michael Hill | 6$^5$ | 4 | | | | | | | | | | Björn Phau | 6 | 6 |
| | Björn Phau | 7$^7$ | 6 | | | | | | | | | |
| | Björn Phau | 7$^7$ | 6 | | | Björn Phau | 6 | 6 | | | | |
| | | | | | 5 | Michaël Llodra | 3 | 2 | | | | |
| | Solon Peppas | 4 | 1 | | 5 | Michaël Llodra | 3 | 2 | | | | |
| 5 | Michaël Llodra | 6 | 6 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Final Round | Final Round | Final Round | Final Round |
| 2 | Xavier Malisse | 6 | 6 | | | | | | | | |
| | Jakub Záhlava | 1 | 4 | | | | | | | | |
| | Jakub Záhlava | 1 | 4 | 2 | Xavier Malisse | 6 | 6 | | | | |
| | | | | | Guillermo Cañas | 3 | 2 | | | | |
| | Guillermo Cañas | 6 | 6 | | Guillermo Cañas | 3 | 2 | | | | |
| | Dmitry Vlasov | 2 | 2 | | | | | | | | |
| | Dmitry Vlasov | 2 | 2 | | | | | 2 | Xavier Malisse | 6 | 6 |
| | | | | | | | | | Scott Draper | 3 | 3 |
| | Scott Draper | 6 | 6 | | | | | | | | | Scott Draper | 3 | 3 |
| | Jean-René Lisnard | 1 | 4 | | | | | | | | |
| | Jean-René Lisnard | 1 | 4 | | Scott Draper | 6 | 6 | | | | |
| | | | | 7 | Werner Eschauer | 4 | 3 | | | | |
| | Mark Nielsen | 4 | 2 | 7 | Werner Eschauer | 4 | 3 | | | | |
| 7 | Werner Eschauer | 6 | 6 | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Final Round | Final Round | Final Round | Final Round |
| 3 | Cristiano Caratti | 6 | 6 | | | | | | | | | | |
| | Emin Ağayev | 4 | 1 | | | | | | | | | | |
| | Emin Ağayev | 4 | 1 | | 3 | Cristiano Caratti | 3 | 4 | | | | | |
| | | | | | WC | Paul Baccanello | 6 | 6 | | | | | |
| WC | Paul Baccanello | 6$^1$ | 6 | 6 | WC | Paul Baccanello | 6 | 6 | | | | | |
| | Clemens Trimmel | 7$^7$ | 2 | 4 | | | | | | | | | |
| | Clemens Trimmel | 7$^7$ | 2 | 4 | | | | | | WC | Paul Baccanello | 3 | 4 |
| | | | | | | | | | | WC | Alun Jones | 6 | 6 |
| WC | Alun Jones | 7 | 6 | | | | | | | | | | | WC | Alun Jones | 6 | 6 |
| | Jamie Delgado | 5 | 1 | | | | | | | | | | |
| | Jamie Delgado | 5 | 1 | | WC | Alun Jones | 5 | 7 | 6 | | | | |
| | | | | | | Marcos Ondruska | 7 | 5 | 4 | | | | |
| | Marcos Ondruska | 7$^7$ | 7$^7$ | | | Marcos Ondruska | 7 | 5 | 4 | | | | |
| 8 | Julián Alonso | 6$^3$ | 6$^4$ | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Final Round | Final Round | Final Round |
| 4 | Bob Bryan | 6 | 6 | | | | | | | |
| | Mike Bryan | 3 | 4 | | | | | | | |
| | Mike Bryan | 3 | 4 | 4 | Bob Bryan | 4 | 2 | | | |
| | | | | | Dejan Petrovic | 6 | 6 | | | |
| | James Sekulov | 3 | 1 | | Dejan Petrovic | 6 | 6 | | | |
| | Dejan Petrovic | 6 | 6 | | | | | | | |
| | Dejan Petrovic | 6 | 6 | | | | | Dejan Petrovic | 4 | 5 |
| | | | | | | | | Michael Kohlmann | 6 | 7 |
| | Denis Golovanov | 6 | 6 | | | | | | | | Michael Kohlmann | 6 | 7 |
| | Scott Barron | 3 | 2 | | | | | | | |
| | Scott Barron | 3 | 2 | | Denis Golovanov | 5 | 0 | | | |
| | | | | | Michael Kohlmann | 7 | 6 | | | |
| | Michael Kohlmann | 6 | 6 | | Michael Kohlmann | 7 | 6 | | | |
| 6 | Stefano Tarallo | 4 | 2 | | | | | | | |