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
| Hlavata Nikola | +3810 |
| Panshina Varvara | +2316 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1644 |
| Sanchez Ana Sofia | +1425 |
| Matuszewski Gabriel | -1746 |
| Cvijanovic Jelena | -1726 |
| Campana Lee Gerard | -1700 |
| Yashina Ekaterina | -1521 |
| Kis Balazs Rafael | -1494 |
This week's tournaments
| Main tournaments | ||||
| United Cup | 18 | |||
| Next Gen ATP Finals | 1 | |||
| United Cup | 18 | |||
| Lower level tournaments | ||||
| UTR Pro Tennis Series | 2 | |||
| UTR Pro Tennis Series 3 | 27 | |||
| UTR Pro Tennis Series 5 | 28 | |||
| UTR Pro Tennis Series 9 | 4 | |||
| Solapur ITF | 16 | |||
| UTR Pro Tennis Series 5 | 20 | |||
| UTR Pro Tennis Series 9 | 3 | |||
| Antalya 38 ITF | 1 | |||
| Antalya 39 ITF | 21 | |||
| Lima 14 ITF | 1 | |||
| Monastir 12 ITF | 3 | |||
| Monastir 13 ITF | 16 | |||
| UTR Pro Match Series | 7 | |||
| UTR Pro Tennis Series | 1 | |||
- Player's profile
- Tournament search
- Head-to-head
- Interesting matches
