WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 116. | - |
Menga Vanessa | Brazil | 232 |
| 166. | - |
Cortez Joana | Brazil | 148 |
| 297. | - |
D'Agostini Miriam | Brazil | 52 |
| 354. | - |
Tiene Carla | Brazil | 36 |
| 489. | - |
Maia Eugenia | Brazil | 17 |
| 501. | - |
Bellizia Nathalia | Brazil | 16 |
| 554. | - |
Hirt Marcelae | Brazil | 13 |
| 589. | - |
Alves Maria-Fernanda | Brazil | 11 |
| 608. | - |
Novaes Ana Paula | Brazil | 10 |
|1-50|
- Betting ranking
| Panshina Varvara | +2498 |
| Lee Carol Young Suh | +2079 |
| Mdlulwa Wozuko | +1596 |
| Moyano Luciana | +1425 |
| Bublik Alexander | +1400 |
| Hodkin Sean | -1413 |
| Kis Balazs Rafael | -1298 |
| Heinzova Izabela | -1244 |
| Mannarino Adrian | -1168 |
| Yoshikawa Yusuke | -1167 |
This week's tournaments
| Main tournaments | ||||
| Wimbledon | 64 | |||
| Eastbourne | 20 | |||
| Mallorca | 17 | |||
| Bad Homburg WTA | 14 | |||
| Eastbourne | 24 | |||
| Lower level tournaments | ||||
| Milan challenger | 25 | |||
| Lima 2 challenger | 19 | |||
| UTR Pro Tennis Series 3 | 30 | |||
| UTR Pro Tennis Series 5 | 34 | |||
| UTR Pro Tennis Series 9 | 21 | |||
| Palma del Rio ITF | 20 | |||
| Perigueux ITF | 14 | |||
| Taipei 3 ITF | 8 | |||
| Tarvisio ITF | 21 | |||
| UTR Pro Tennis Series 5 | 33 | |||
| UTR Pro Tennis Series 9 | 6 | |||
| Alkmaar ITF | 8 | |||
| Galati ITF | 16 | |||
| Hong Kong ITF | 8 | |||
| Kamen ITF | 16 | |||
| Kayseri 5 ITF | 7 | |||
| Kursumlijska Banja 10 ITF | 8 | |||
| Maanshan 7 ITF | 16 | |||
| Monastir 41 ITF | 16 | |||
| Sapporo 2 ITF | 16 | |||
| UTR Pro Match Series | 28 | |||
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