WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 24. | - |
Tarabini Patricia | Argentina | 1201 |
| 26. | - |
Suarez Paola | Argentina | 1130 |
| 31. | - |
Montalvo Laura | Argentina | 974 |
| 44. | - |
Labat Florencia | Argentina | 727 |
| 90. | - |
Gorrochategui Ines | Argentina | 355 |
| 160. | - |
Landa Ma. Fernanda | Argentina | 153 |
| 188. | - |
Ottoboni Romina | Argentina | 120 |
| 212. | - |
Diaz-Oliva Mariana | Argentina | 96 |
| 227. | - |
Fernandez Clarisa | Argentina | 88 |
| 232. | - |
Krauth Erica | Argentina | 85 |
| 248. | - |
Masante Luciana | Argentina | 74 |
| 293. | - |
Krauth Vanesa | Argentina | 53 |
| 296. | - |
Racedo Paula | Argentina | 53 |
| 303. | - |
Arevalo Melisa | Argentina | 51 |
| 307. | - |
Torti Jorgelina | Argentina | 49 |
| 342. | - |
Valenti Sabrina | Argentina | 38 |
| 367. | - |
Contin Celeste | Argentina | 33 |
| 390. | - |
Gussoni Natalia | Argentina | 28 |
| 462. | - |
Aizenberg Geraldine | Argentina | 20 |
| 470. | - |
Gaidano Maria Jose | Argentina | 19 |
| 531. | - |
Cravero Jorgelina | Argentina | 14 |
| 553. | - |
Scalise Evelina | Argentina | 13 |
| 565. | - |
Damario Sabrina | Argentina | 12 |
| 630. | - |
Salvadores Florencia | Argentina | 9 |
| 687. | - |
Alcetegaray Maria Lorena | Argentina | 7 |
| 687. | - |
Basile Florencia | Argentina | 7 |
|1-50|
- Betting ranking
| Rezai Aravane | +1590 |
| Laboutkova Aneta | +1374 |
| Gomez Federico Agustin | +1364 |
| Machac Tomas | +1345 |
| Blokhina Alexis | +1313 |
| Krutykh Oleksii | -1559 |
| Fruhvirtova Linda | -1447 |
| Lanca Sara | -1445 |
| Dancu Vlad Andrei | -1440 |
| Ilkel Cem | -1433 |
This week's tournaments
| Main tournaments | ||||
| Davis Cup | 1 | |||
| Lower level tournaments | ||||
| Rovereto challenger | 1 | |||
| Sao Paulo 7 challenger | 2 | |||
| Yokkaichi challenger | 30 | |||
| Yokohama challenger | 2 | |||
| Montemar challenger | 1 | |||
| Puerto Vallarta challenger | 3 | |||
| UTR Pro Tennis Series 3 | 4 | |||
| UTR Pro Tennis Series 6 | 3 | |||
| Charleston 4 | 3 | |||
| Colina WTA | 3 | |||
| Takasaki ITF | 6 | |||
| Carrara ITF | 16 | |||
| Boca Raton 5 ITF | 3 | |||
| Caloundra ITF | 5 | |||
| Trnava 5 ITF | 1 | |||
| Lousada ITF | 1 | |||
| Santo Domingo 10 ITF | 3 | |||
| Alcala de Henares ITF | 1 | |||
| Antalya 50 ITF | 4 | |||
| Cordoba 6 ITF | 2 | |||
| Heraklion 13 ITF | 1 | |||
| Monastir 11 ITF | 1 | |||
| Sharm El Sheikh 21 ITF | 1 | |||
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