# 1999 AT&T Challenge – Singles

The 1999 AT&T Challenge was a men's tennis tournament played on Clay in Atlanta, United States that was part of the World Series of the 1999 ATP Tour. It was the fourteenth edition of the tournament and was held from 26 April – 2 May 1999.

## Seeds

Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
* Patrick Rafter (first round)
* Jason Stoltenberg (quarterfinals)
* Vince Spadea (first round)
* Michael Chang (second round)
* Sébastien Grosjean (final)
* Scott Draper (first round)
* Jan-Michael Gambill (first round)
* Magnus Larsson (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 |
| | Jim Courier | 6$^3$ | 3 | | | | | |
| 5 | Sébastien Grosjean | 7 | 6 | | | | | |
| 5 | Sébastien Grosjean | 7 | 6 | | | Stefan Koubek | 6 | 6 |
| | | | | | 5 | Sébastien Grosjean | 1 | 2 |
| | Stefan Koubek | 5 | 6 | 6 | 5 | Sébastien Grosjean | 1 | 2 |
| 8 | Magnus Larsson | 7 | 4 | 1 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| | M Rodríguez | 7 | 7 | | | | | | | | | | | | | | |
| 1 | P Rafter | 6$^5$ | 6$^5$ | | | M Rodríguez | 7 | 6 | | | | | | | | | |
| | JA Marín | 6 | 6 | | | JA Marín | 6$^6$ | 3 | | | | | | | | | |
| | L Horna | 4 | 3 | | | | | | | | M Rodríguez | 1 | 6$^2$ | | | | |
| | J Courier | 6 | 6 | | | | | | | | J Courier | 6 | 7 | | | | |
| | M Tillström | 3 | 4 | | | J Courier | 6 | 7 | | | | | | | | | |
| | J Gimelstob | 6 | 6 | | | J Gimelstob | 1 | 6$^5$ | | | | | | | | | |
| 7 | J-M Gambill | 0 | 4 | | | | | | | | | | | | J Courier | 6$^3$ | 3 |
| | M Mirnyi | 7 | 6 | | | | | | | | | | | 5 | S Grosjean | 7 | 6 |
| 3 | V Spadea | 5 | 3 | | | M Mirnyi | 6 | 4 | 1 | | | | | | | | |
| | S Sargsian | 6 | 6 | | | S Sargsian | 3 | 6 | 6 | | | | | | | | |
| | C Woodruff | 4 | 4 | | | | | | | | S Sargsian | 4 | 6$^5$ | | | | |
| | M Filippini | 7 | 6 | | | | | | | 5 | S Grosjean | 6 | 7 | | | | |
| | P Korda | 5 | 1 | | | M Filippini | 4 | 2 | | | | | | | | | |
| 5 | S Grosjean | 6$^6$ | 7 | 6 | 5 | S Grosjean | 6 | 6 | | | | | | | | | |
| | C Mamiit | 7 | 5 | 1 | | | | | | | | | | | | | |

### 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 | Semifinals |
| | G Cañas | 6 | 6 | | | | | | | | | | | | | | | |
| 6 | S Draper | 4 | 3 | | | G Cañas | 6$^3$ | 6$^4$ | | | | | | | | | | |
| | A Martín | 6 | 4 | 7 | | A Martín | 7 | 7 | | | | | | | | | | |
| | I Labadze | 2 | 6 | 6$^4$ | | | | | | | A Martín | 5 | 2 | | | | | |
| | S Koubek | 6 | 7 | | | | | | | | S Koubek | 7 | 6 | | | | | |
| | T Woodbridge | 2 | 6$^4$ | | | S Koubek | 6 | 6 | | | | | | | | | | |
| 4 | M Chang | 6 | 6 | | 4 | M Chang | 1 | 4 | | | | | | | | | | |
| | G Pozzi | 4 | 2 | | | | | | | | | | | | S Koubek | 5 | 6 | 6 |
| 8 | M Larsson | 6 | 6 | | | | | | | | | | | 8 | M Larsson | 7 | 4 | 1 |
| | J Van Herck | 3 | 2 | | 8 | M Larsson | 7 | 2 | 6 | | | | | | | | | |
| | G Blanco | 6 | 7 | | | G Blanco | 6$^6$ | 6 | 1 | | | | | | | | | |
| | M Norman | 4 | 6$^3$ | | | | | | | 8 | M Larsson | 6 | 6 | | | | | |
| | M Woodforde | 2 | 6 | 6 | | | | | | 2 | J Stoltenberg | 2 | 2 | | | | | |
| | L Hewitt | 6 | 3 | 4 | | M Woodforde | 2 | 3 | | | | | | | | | | |
| 2 | J Stoltenberg | 6 | 6 | | 2 | J Stoltenberg | 6 | 6 | | | | | | | | | | |
| | P Goldstein | 4 | 1 | | | | | | | | | | | | | | | |