WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 313. | - |
Lee Janet | Chinese Taipei | 48 |
| 334. | - |
Weng Tzu-Ting | Chinese Taipei | 41 |
| 369. | - |
Chen Yu-An | Chinese Taipei | 32 |
| 423. | - |
Wang I-ting | Chinese Taipei | 24 |
|1-50|
- Betting ranking
| Branstine Carson | +1222 |
| Turker Mert Naci | +1127 |
| Wang Meiling | +1060 |
| Tabilo Alejandro | +1016 |
| Bagnis Facundo | +1005 |
| Krutykh Oleksii | -1078 |
| Bonzi Benjamin | -1002 |
| Kolodynska Jana | -922 |
| Marcinkevica Diana | -860 |
| Lobanov Aleksandr | -822 |
This week's tournaments
| Main tournaments | ||||
| Rome | 5 | |||
| Rome WTA | 4 | |||
| Lower level tournaments | ||||
| Bordeaux challenger | 16 | |||
| Turin challenger | 19 | |||
| Taipei challenger | 7 | |||
| Tunis challenger | 8 | |||
| Oeiras 2 challenger | 8 | |||
| UTR Pro Tennis Series 5 | 2 | |||
| UTR Pro Tennis Series 8 | 1 | |||
| Madrid 19 ITF | 16 | |||
| Paris WTA | 10 | |||
| Parma | 6 | |||
| Kurume ITF | 4 | |||
| Zagreb ITF | 6 | |||
| Anning ITF | 7 | |||
| Bethany Beach ITF | 16 | |||
| Monzon ITF | 8 | |||
| Warmbad-Villach ITF | 6 | |||
| Antalya 19 ITF | 12 | |||
| Kranjska Gora ITF | 12 | |||
| Kursumlijska Banja 5 ITF | 12 | |||
| Monastir 36 ITF | 12 | |||
| Toyama ITF | 9 | |||
| UTR Pro Match Series | 3 | |||
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