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
| Baez Sebastian | +900 |
| Gea Arthur | +572 |
| Chidekh Clement | +546 |
| Kotliar Yelyzaveta | +529 |
| Jurna Elizabeth | +526 |
| Falck Reece | -438 |
| Penalver Aguilo Maria | -380 |
| Trush Yelizaveta | -362 |
| Trainauskas Justas | -350 |
| Harajda Ema | -350 |
This week's tournaments
| Main tournaments | ||||
| Australian Open | 33 | |||
| Australian Open | 33 | |||
| Lower level tournaments | ||||
| Oeiras 5 challenger | 10 | |||
| Itajai challenger | 10 | |||
| Soma Bay challenger | 10 | |||
| Phan Thiet challenger | 4 | |||
| UTR Pro Tennis Series 3 | 62 | |||
| UTR Pro Tennis Series 5 | 32 | |||
| UTR Pro Tennis Series 9 | 4 | |||
| Leszno ITF | 12 | |||
| Manama ITF | 8 | |||
| Monastir 19 ITF | 24 | |||
| Buenos Aires 2 ITF | 12 | |||
| Petit Bourge ITF | 12 | |||
| Weston ITF | 12 | |||
| UTR Pro Tennis Series 5 | 36 | |||
| UTR Pro Tennis Series 9 | 24 | |||
| Antalya 3 ITF | 13 | |||
| UTR Pro Match Series | 28 | |||
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