WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 659. | - |
Guardigli Francesca | San Marino | 8 |
| 662. | - |
Buggins Anita | Great Britain | 8 |
| 662. | - |
Luzhanska Tetiana | USA | 8 |
| 662. | - |
Nagy Kyra | Hungary | 8 |
| 665. | - |
Miringoff Betsy | USA | 8 |
| 666. | - |
Mossiakova Svetlana | Russia | 8 |
| 669. | - |
Georgieva Kristina | Bulgaria | 8 |
| 669. | - |
Halastova Petra | Czech Republic | 8 |
| 669. | - |
Huang Susan | Canada | 8 |
| 669. | - |
Karpenschif Berengere | France | 8 |
| 669. | - |
Martin-Ramirez Ana | Spain | 8 |
| 669. | - |
Roussi Evagelia | Greece | 8 |
| 677. | - |
Cioroch Agata | Poland | 8 |
| 677. | - |
Sartini Veronica | Italy | 8 |
| 679. | - |
Hellwig Barbara | Austria | 8 |
| 679. | - |
Nathan Andrea | USA | 8 |
| 679. | - |
Raba Caroline | Germany | 8 |
| 682. | - |
Craybas Jill | USA | 8 |
| 687. | - |
Alcetegaray Maria Lorena | Argentina | 7 |
| 687. | - |
Basile Florencia | Argentina | 7 |
| 687. | - |
Katsumi Shizu | Japan | 7 |
| 691. | - |
Mlakar Maja | Slovenia | 7 |
| 691. | - |
Rosenberger Barbara | Germany | 7 |
| 695. | - |
Abram Agnieszka | Poland | 7 |
| 696. | - |
Sanchez Laetitia | France | 7 |
| 697. | - |
Chi Jane | USA | 7 |
| 697. | - |
Nossenko Irina | Ukraine | 7 |
| 697. | - |
Panova Daria | Russia | 7 |
| 697. | - |
Silaghi Christine | Germany | 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 | 3 | |||
| Billie Jean King Cup | 2 | |||
| Lower level tournaments | ||||
| Montevideo challenger | 3 | |||
| Brisbane 4 challenger | 3 | |||
| Champaign challenger | 6 | |||
| Drummondville challenger | 5 | |||
| Kobe challenger | 3 | |||
| Lyon 2 challenger | 2 | |||
| UTR Pro Tennis Series 3 | 29 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 25 | |||
| Austin ITF | 3 | |||
| Brisbane 5 ITF | 3 | |||
| Chihuahua ITF | 5 | |||
| Funchal ITF | 3 | |||
| Heraklion 10 ITF | 2 | |||
| Orlando 7 ITF | 3 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 33 ITF | 3 | |||
| Clemson ITF | 3 | |||
| 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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- Head-to-head
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