WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 270. | - |
Falco Melody | Mexico | 65 |
| 282. | - |
Fernandez Jessica | Mexico | 57 |
| 650. | - |
Clarke-Magana Erika | Mexico | 8 |
|1-50|
- Betting ranking
| Branstine Carson | +1222 |
| Bouzas Maneiro Jessica | +899 |
| Trungelliti Marco | +882 |
| Popko Dmitry | +877 |
| Mensik Jakub | +867 |
| Krutykh Oleksii | -962 |
| Bonzi Benjamin | -863 |
| Kolodynska Jana | -822 |
| Added Dan | -817 |
| Barroso Campos Alberto | -791 |
This week's tournaments
| Main tournaments | ||||
| Madrid | 12 | |||
| Madrid WTA | 11 | |||
| Lower level tournaments | ||||
| Aix en Provence challenger | 16 | |||
| Cagliari challenger | 17 | |||
| Guangzhou challenger | 24 | |||
| Porto Alegre challenger | 23 | |||
| UTR Pro Tennis Series 3 | 6 | |||
| UTR Pro Tennis Series 5 | 2 | |||
| Lleida | 4 | |||
| Saint-Malo WTA | 25 | |||
| Gifu ITF | 16 | |||
| Wiesbaden ITF | 8 | |||
| Lopota 2 ITF | 24 | |||
| Anapoima ITF | 16 | |||
| Hammamet 7 ITF | 8 | |||
| Nottingham 7 ITF | 10 | |||
| Santa Margherita Di Pula 6 ITF | 8 | |||
| UTR Pro Tennis Series 5 | 8 | |||
| Yecla ITF | 8 | |||
| Antalya 17 ITF | 16 | |||
| Kursumlijska Banja 3 ITF | 16 | |||
| Monastir 34 ITF | 15 | |||
| Osijek ITF | 16 | |||
| Varberg ITF | 15 | |||
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