WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 117. | - |
Grzybowska Magdalena | Poland | 232 |
| 125. | - |
Olsza Aleksandra | Poland | 209 |
| 328. | - |
Bielen-Zarska Anna | Poland | 43 |
| 356. | - |
Straczy Katarzyna | Poland | 36 |
| 361. | - |
Bandurowska Patrycja | Poland | 35 |
| 468. | - |
Teodorowicz Katharzyna | Poland | 19 |
| 514. | - |
Kurowska Agata | Poland | 15 |
| 577. | - |
Rynarzewska Sylvia | Poland | 12 |
| 615. | - |
Sadaj Karolina | Poland | 10 |
| 634. | - |
Marszalek Magdalena | Poland | 9 |
| 677. | - |
Cioroch Agata | Poland | 8 |
| 695. | - |
Abram Agnieszka | Poland | 7 |
|1-50|
- Betting ranking
| Kolb Nadiia | +1800 |
| Luciano Lavinia | +1386 |
| Vrancken Peeters Anouck | +1222 |
| Murta Ines | +979 |
| Kozyreva Maria | +875 |
| Kis Balazs Rafael | -1125 |
| Yoshikawa Yusuke | -867 |
| Moser Nicolas (2002) | -837 |
| Heinzova Izabela | -742 |
| Rabin Sol | -679 |
This week's tournaments
| Main tournaments | ||||
| Miami | 34 | |||
| Lower level tournaments | ||||
| Asuncion challenger | 26 | |||
| Merida challenger | 24 | |||
| Murcia challenger | 24 | |||
| Zadar challenger | 24 | |||
| UTR Pro Tennis Series 3 | 16 | |||
| UTR Pro Tennis Series 5 | 11 | |||
| UTR Pro Tennis Series 6 | 8 | |||
| Antalya WTA | 17 | |||
| Luan ITF | 8 | |||
| Maribor ITF | 8 | |||
| Kofu ITF | 16 | |||
| Santo Domingo 5 ITF | 7 | |||
| Vacaria ITF | 8 | |||
| Sabadell ITF | 18 | |||
| Solarino 2 ITF | 7 | |||
| Swan Hill ITF | 16 | |||
| UTR Pro Tennis Series 5 | 7 | |||
| Alaminos-Larnaca 2 ITF | 16 | |||
| Antalya 11 ITF | 16 | |||
| Heraklion ITF | 16 | |||
| Le Havre ITF | 8 | |||
| Monastir 27 ITF | 16 | |||
| Nonthaburi 2 ITF | 8 | |||
| Sharm El Sheikh 8 ITF | 16 | |||
| UTR Pro Match Series | 18 | |||
| UTR Pro Tennis Series 8 | 7 | |||
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