WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 3. | - |
Hingis Martina | Switzerland | 2816 |
| 58. | - |
Schnyder Patty | Switzerland | 623 |
| 132. | - |
Gagliardi Emmanuelle | Switzerland | 203 |
| 245. | - |
Tricerri Alienor | Switzerland | 76 |
| 355. | - |
Vavrinec Miroslava | Switzerland | 36 |
| 415. | - |
Losey Marylene | Switzerland | 25 |
| 588. | - |
Asensio Diana | Switzerland | 11 |
| 634. | - |
Corazza Sabrina | Switzerland | 9 |
|1-50|
- Betting ranking
| Panshina Varvara | +2502 |
| Lee Carol Young Suh | +1795 |
| Moyano Luciana | +1377 |
| Reami Adriana | +1309 |
| Vrancken Peeters Anouck | +1307 |
| Yoshikawa Yusuke | -1167 |
| Heinzova Izabela | -1122 |
| Kis Balazs Rafael | -1098 |
| Hodkin Sean | -1001 |
| Mannarino Adrian | -903 |
This week's tournaments
| Main tournaments | ||||
| Rome | 31 | |||
| Rome WTA | 29 | |||
| Lower level tournaments | ||||
| Wuxi challenger | 7 | |||
| Francavilla challenger | 13 | |||
| Prague 2 challenger | 14 | |||
| Santos challenger | 14 | |||
| UTR Pro Tennis Series | 15 | |||
| UTR Pro Tennis Series 3 | 65 | |||
| UTR Pro Tennis Series 5 | 65 | |||
| UTR Pro Tennis Series 8 | 8 | |||
| Prague 2 ITF | 14 | |||
| Saint-Gaudens ITF | 17 | |||
| Indian Harbour Beach ITF | 18 | |||
| Lopota 2 ITF | 13 | |||
| Boca Raton 6 ITF | 18 | |||
| Fukuoka ITF | 12 | |||
| Goyang 2 ITF | 12 | |||
| Nottingham 7 ITF | 13 | |||
| Platja D'Aro ITF | 17 | |||
| Santa Margherita Di Pula 6 ITF | 11 | |||
| UTR Pro Tennis Series 5 | 47 | |||
| Bucharest 2 ITF | 13 | |||
| Kalmar ITF | 13 | |||
| Kursumlijska Banja 3 ITF | 13 | |||
| Monastir 34 ITF | 12 | |||
| UTR Pro Match Series | 23 | |||
| UTR Pro Tennis Series | 24 | |||
| UTR Pro Tennis Series 8 | 6 | |||
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