WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 228. | - |
Nola Pavlina | New Zealand | 87 |
| 304. | - |
Stephens Shelley | New Zealand | 50 |
| 316. | - |
Baker Leanne | New Zealand | 47 |
| 344. | - |
Hudson Rewa | New Zealand | 37 |
| 421. | - |
Tippins Niki | New Zealand | 24 |
|1-50|
- Betting ranking
| Branstine Carson | +1222 |
| Bouzas Maneiro Jessica | +899 |
| Trungelliti Marco | +882 |
| Popko Dmitry | +877 |
| Shibahara Ena | +869 |
| Krutykh Oleksii | -962 |
| Bonzi Benjamin | -863 |
| Kolodynska Jana | -822 |
| Added Dan | -817 |
| Barroso Campos Alberto | -791 |
This week's tournaments
| Main tournaments | ||||
| Madrid | 16 | |||
| Madrid WTA | 19 | |||
| Lower level tournaments | ||||
| Guangzhou challenger | 22 | |||
| Savannah challenger | 1 | |||
| Shenzhen 3 challenger | 1 | |||
| Ostrava challenger | 1 | |||
| Rome 2 challenger | 1 | |||
| Concepcion challenger | 1 | |||
| UTR Pro Tennis Series 3 | 7 | |||
| UTR Pro Tennis Series 8 | 8 | |||
| Saint-Malo WTA | 6 | |||
| Oeiras 3 ITF | 5 | |||
| Tokyo 6 ITF | 2 | |||
| Wiesbaden ITF | 16 | |||
| Charlottesville ITF | 1 | |||
| Lopota 2 ITF | 12 | |||
| Wuning ITF | 1 | |||
| Hammamet 6 ITF | 1 | |||
| Hammamet 7 ITF | 9 | |||
| Nottingham 6 ITF | 1 | |||
| Nottingham 7 ITF | 16 | |||
| Santa Margherita Di Pula 5 ITF | 1 | |||
| Yecla ITF | 16 | |||
| Antalya 16 ITF | 1 | |||
| Antalya 17 ITF | 25 | |||
| Kursumlijska Banja 2 ITF | 3 | |||
| Kursumlijska Banja 3 ITF | 23 | |||
| Monastir 33 ITF | 1 | |||
| Monastir 34 ITF | 16 | |||
| Osijek ITF | 15 | |||
| Shymkent 2 ITF | 1 | |||
| Telde 4 ITF | 1 | |||
| UTR Pro Match Series | 1 | |||
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