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
| Cerundolo Juan Manuel | +1636 |
| Obradovic Andrea | +1087 |
| Guerrieri Andrea | +1025 |
| Aguiard Enzo | +1005 |
| Eala Alexandra | +990 |
| Svatikova Laura | -1386 |
| Marcinkevica Diana | -1332 |
| Otegui Juan Bautista | -1287 |
| Bennemann Eva | -1239 |
| Covato Matteo | -1222 |
This week's tournaments
| Main tournaments | ||||
| Cincinnati | 15 | |||
| Cincinnati WTA | 12 | |||
| Lower level tournaments | ||||
| Cancun challenger | 13 | |||
| Quebec City challenger | 15 | |||
| Kingston challenger | 15 | |||
| Prague 2 challenger | 13 | |||
| Roehampton challenger | 13 | |||
| Sion challenger | 16 | |||
| UTR Pro Tennis Series | 1 | |||
| UTR Pro Tennis Series 3 | 34 | |||
| UTR Pro Tennis Series 5 | 6 | |||
| UTR Pro Tennis Series 9 | 23 | |||
| Kursumlijska Banja 15 ITF | 16 | |||
| Prague 4 ITF | 13 | |||
| Bistrita ITF | 21 | |||
| Erwitte ITF | 20 | |||
| Kraków ITF | 12 | |||
| Verbier ITF | 13 | |||
| UTR Pro Tennis Series 5 | 17 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Campos Do Jordao ITF | 9 | |||
| Logrono ITF | 17 | |||
| Tianjin 3 ITF | 16 | |||
| Wanfercee-Baulet ITF | 17 | |||
| UTR Pro Match Series | 14 | |||
| UTR Pro Tennis Series | 3 | |||
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