WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 522. | - |
Catlin Marissa | USA | 14 |
| 542. | - |
Baker Marilyn | USA | 13 |
| 550. | - |
Cargill Ansley | USA | 13 |
| 560. | - |
Kalvara Lauren | USA | 13 |
| 587. | - |
De La Torre Candice | USA | 11 |
| 589. | - |
Murren Patty | USA | 11 |
| 597. | - |
Schmidt Elizabeth | USA | 11 |
| 617. | - |
Hunt Victoria | USA | 10 |
| 633. | - |
Dawaf Lindsay | USA | 9 |
| 662. | - |
Luzhanska Tetiana | USA | 8 |
| 665. | - |
Miringoff Betsy | USA | 8 |
| 679. | - |
Nathan Andrea | USA | 8 |
| 682. | - |
Craybas Jill | USA | 8 |
| 697. | - |
Chi Jane | USA | 7 |
- Betting ranking
| Panshina Varvara | +2364 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1644 |
| Vrancken Peeters Anouck | +1444 |
| Sanchez Ana Sofia | +1425 |
| Seyboth Wild Thiago | -1480 |
| Kirchheimer Strong | -1479 |
| Matuszewski Gabriel | -1466 |
| Campana Lee Gerard | -1448 |
| Daniel Taro | -1410 |
This week's tournaments
| Main tournaments | ||||
| Masters Cup ATP | 4 | |||
| Lower level tournaments | ||||
| Montevideo challenger | 6 | |||
| Brisbane 4 challenger | 3 | |||
| Champaign challenger | 9 | |||
| Drummondville challenger | 7 | |||
| Kobe challenger | 3 | |||
| Lyon 2 challenger | 2 | |||
| UTR Pro Tennis Series 3 | 31 | |||
| UTR Pro Tennis Series 5 | 4 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Austin ITF | 4 | |||
| Brisbane 5 ITF | 3 | |||
| Chihuahua ITF | 6 | |||
| Funchal ITF | 3 | |||
| Heraklion 10 ITF | 3 | |||
| Orlando 7 ITF | 5 | |||
| UTR Pro Tennis Series 5 | 2 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 33 ITF | 3 | |||
| Clemson ITF | 2 | |||
| Criciuma ITF | 3 | |||
| Hua Hin 6 ITF | 3 | |||
| Monastir 7 ITF | 3 | |||
| Nules ITF | 2 | |||
| Phan Thiet ITF | 2 | |||
| Sharm El Sheikh 21 ITF | 3 | |||
| Solarino 7 ITF | 2 | |||
| UTR Pro Match Series | 68 | |||
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- Tournament search
- Head-to-head
- Interesting matches


