WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 51. | - |
Jeyaseelan Sonya | Canada | 671 |
| 103. | - |
Webb Vanessa | Canada | 291 |
| 137. | - |
Kolbovic Renata | Canada | 187 |
| 220. | - |
Drake Maureen | Canada | 91 |
| 273. | - |
Pelletier Marie-Eve | Canada | 62 |
| 431. | - |
Nejedly Jana | Canada | 23 |
| 539. | - |
Soukup Aneta | Canada | 14 |
| 542. | - |
Havlicek Nicole | Canada | 13 |
| 560. | - |
Nejedly Martina | Canada | 13 |
| 669. | - |
Huang Susan | Canada | 8 |
|1-50|
- Betting ranking
| Panshina Varvara | +2310 |
| Lee Carol Young Suh | +1973 |
| Mdlulwa Wozuko | +1924 |
| Moyano Luciana | +1684 |
| Bublik Alexander | +1611 |
| Hodkin Sean | -1513 |
| Daniel Taro | -1354 |
| Heinzova Izabela | -1309 |
| Andreeva Erika | -1184 |
| Yoshikawa Yusuke | -1142 |
This week's tournaments
| Main tournaments | ||||
| Cincinnati | 32 | |||
| Cincinnati WTA | 23 | |||
| Lower level tournaments | ||||
| Cancun challenger | 8 | |||
| Sumter challenger | 14 | |||
| Barranquilla chall. | 25 | |||
| Todi challenger | 23 | |||
| Hersonissos 3 challenger | 22 | |||
| Sofia challenger | 20 | |||
| UTR Pro Tennis Series 3 | 112 | |||
| UTR Pro Tennis Series 5 | 46 | |||
| UTR Pro Tennis Series 8 | 17 | |||
| Kursumlijska Banja 17 ITF | 0 | |||
| Saskatoon ITF | 16 | |||
| Aldershot ITF | 4 | |||
| Bydgoszcz ITF | 11 | |||
| Erwitte ITF | 12 | |||
| Vigo ITF | 11 | |||
| UTR Pro Tennis Series 5 | 45 | |||
| Astana 8 ITF | 24 | |||
| Huntsville ITF | 25 | |||
| Luan 6 ITF | 24 | |||
| Monastir 48 ITF | 16 | |||
| Otopeni ITF | 28 | |||
| Santiago ITF | 8 | |||
| Singapore ITF | 24 | |||
| Tweed Heads 2 ITF | 21 | |||
| UTR Pro Match Series | 115 | |||
| UTR Pro Tennis Series 8 | 10 | |||
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