1998 Copa Colsanitas – Singles
# 1998 Copa Colsanitas – Singles

Paola Suárez won in the final 6–3, 6–4 against Sonya Jeyaseelan.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

* Corina Morariu (quarterfinals)
* Cristina Torrens Valero (second round)
* Alexia Dechaume-Balleret (first round)
* Sylvia Plischke (second round)
* Lenka Němečková (second round)
* Sonya Jeyaseelan (final)
* Lea Ghirardi (first round)
* Mariana Díaz Oliva (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 | Semifinals | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | C Morariu | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| | J Watanabe | 3 | 1 | | 1 | C Morariu | 6 | 6 | 6 | | | | | | | | | | | | | |
| Q | A Barna | 3 | 6 | 4 | | N van Lottum | 1 | 7 | 3 | | | | | | | | | | | | | |
| | N van Lottum | 6 | 4 | 6 | | | | | | 1 | C Morariu | 2 | r | | | | | | | | | |
| WC | M Mesa | 6 | 6 | | | | | | | 6 | S Jeyaseelan | 4 | | | | | | | | | | |
| | V Martinek | 3 | 1 | | WC | M Mesa | 3 | 2 | | | | | | | | | | | | | | |
| | P Stoyanova | 4 | 1 | | 6 | S Jeyaseelan | 6 | 6 | | | | | | | | | | | | | | |
| 6 | S Jeyaseelan | 6 | 6 | | | | | | | | | | | | 6 | S Jeyaseelan | 7 | 6 | | | | |
| 4 | S Plischke | 6 | 6 | | | | | | | | | | | | | L Schaerer | 5 | 2 | | | | |
| | A Smashnova | 2 | 1 | | 4 | S Plischke | 1 | 5 | | | | | | | | | | | | | | |
| | L Schaerer | 1 | 6 | 6 | | L Schaerer | 6 | 7 | | | | | | | | | | | | | | |
| | S Noorlander | 6 | 3 | 3 | | | | | | | L Schaerer | 6 | 6 | 7 | | | | | | | | |
| | S Krivencheva | 2 | 2 | | | | | | | | J Husárová | 7 | 3 | 6 | | | | | | | | |
| | J Husárová | 6 | 6 | | | J Husárová | 4 | 7 | 6 | | | | | | | | | | | | | |
| Q | E Sysoeva | 1 | 7 | 4 | 8 | M Díaz Oliva | 6 | 5 | 4 | | | | | | | | | | | | | |
| 8 | M Díaz Oliva | 6 | 6 | 6 | | | | | | | | | | | | | | | 6 | Sonya Jeyaseelan | 3 | 4 |
| 5 | L Němečková | 6 | 6 | | | | | | | | | | | | | | | | | Paola Suárez | 6 | 6 |
| | A Alcázar | 1 | 2 | | 5 | L Němečková | 3 | 3 | | | | | | | | | | | | | | |
| | S Dopfer | 2 | 3 | | | F Zuluaga | 6 | 6 | | | | | | | | | | | | | | |
| | F Zuluaga | 6 | 6 | | | | | | | | F Zuluaga | 7 | 1 | 1 | | | | | | | | |
| | P Suárez | 6 | 6 | | | | | | | | P Suárez | 5 | 6 | 6 | | | | | | | | |
| Q | T Obziler | 2 | 2 | | | P Suárez | 6 | 6 | | | | | | | | | | | | | | |
| | L Richterová | 6 | 1 | 6 | | L Richterová | 2 | 1 | | | | | | | | | | | | | | |
| 3 | A Dechaume-Balleret | 4 | 6 | 1 | | | | | | | | | | | | P Suárez | 6 | 6 | | | | |
| 7 | L Ghirardi | 0 | 2 | | | | | | | | | | | | | C Martínez Granados | 1 | 2 | | | | |
| | L Courtois | 6 | 6 | | | L Courtois | 6 | 6 | | | | | | | | | | | | | | |
| WC | J Garcia | 0 | 1 | | Q | M Mazzotta | 0 | 2 | | | | | | | | | | | | | | |
| Q | M Mazzotta | 6 | 6 | | | | | | | | L Courtois | 6 | 2 | 2 | | | | | | | | |
| | C M Granados | 6 | 1 | 6 | | | | | | | C M Granados | 4 | 6 | 6 | | | | | | | | |
| | K Triska | 4 | 6 | 3 | | C M Granados | 6 | 7 | 6 | | | | | | | | | | | | | |
| | L Horn | 2 | 1 | | 2 | C Torrens Valero | 7 | 5 | 4 | | | | | | | | | | | | | |
| 2 | C Torrens Valero | 6 | 6 | | | | | | | | | | | | | | | | | | | |
