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
| Panshina Varvara | +2390 |
| Lee Carol Young Suh | +1998 |
| Mdlulwa Wozuko | +1674 |
| Bublik Alexander | +1587 |
| Moyano Luciana | +1546 |
| Matuszewski Gabriel | -1466 |
| Seyboth Wild Thiago | -1380 |
| Yashina Ekaterina | -1333 |
| Eubanks Christopher | -1250 |
| Boyden Melissa | -1247 |
This week's tournaments
| Main tournaments | ||||
| Shanghai | 12 | |||
| Wuhan | 28 | |||
| Lower level tournaments | ||||
| Jinan challenger | 25 | |||
| Valencie challenger | 20 | |||
| Roanne challenger | 21 | |||
| Cali challenger | 17 | |||
| Fairfield challenger | 18 | |||
| Hersonissos 5 challenger | 21 | |||
| UTR Pro Tennis Series 3 | 192 | |||
| UTR Pro Tennis Series 5 | 59 | |||
| UTR Pro Tennis Series 9 | 57 | |||
| Edmond ITF | 10 | |||
| Mallorca WTA | 13 | |||
| Heraklion 20 ITF | 23 | |||
| Darwin 2 ITF | 24 | |||
| Kunshan ITF | 24 | |||
| Redding ITF | 7 | |||
| Santa Margherita Di Pula 14 ITF | 21 | |||
| Sevilla ITF | 18 | |||
| UTR Pro Tennis Series 5 | 65 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Monastir 2 ITF | 19 | |||
| Santa Tecla 2 ITF | 1 | |||
| Sao Joao da Boa Vista ITF | 28 | |||
| Sharm El Sheikh 16 ITF | 17 | |||
| UTR Pro Match Series | 125 | |||
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