WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 114. | - |
Woodroffe Lorna | Great Britain | 258 |
| 118. | - |
Pullin Julie | Great Britain | 231 |
| 178. | - |
Davies Victoria | Great Britain | 130 |
| 185. | - |
Crook Helen | Great Britain | 123 |
| 210. | - |
Ward Jo | Great Britain | 98 |
| 235. | - |
Cross Karen | Great Britain | 82 |
| 321. | - |
Warne-Holland Kate | Great Britain | 46 |
| 353. | - |
Tordoff Abigail | Great Britain | 36 |
| 384. | - |
Collin Hannah | Great Britain | 28 |
| 414. | - |
Payne Nicola | Great Britain | 25 |
| 417. | - |
Jelfs Elizabeth | Great Britain | 25 |
| 478. | - |
Moore Joanne | Great Britain | 18 |
| 485. | - |
Taylor Claire | Great Britain | 17 |
| 502. | - |
Ahl Lucie | Great Britain | 16 |
| 508. | - |
Reilly Lyndsay | Great Britain | 15 |
| 515. | - |
Woodhouse Nicola | Great Britain | 15 |
| 532. | - |
Latimer Louise | Great Britain | 14 |
| 546. | - |
Hanger Julie | Great Britain | 13 |
| 547. | - |
Carter Claire | Great Britain | 13 |
| 569. | - |
Barrett Fiona | Great Britain | 12 |
| 578. | - |
Osman Jheni | Great Britain | 12 |
| 625. | - |
Elliott Kate | Great Britain | 9 |
| 630. | - |
Perkins Lydia | Great Britain | 9 |
| 662. | - |
Buggins Anita | Great Britain | 8 |
|1-50|
- Betting ranking
| Adkar Vaishnavi | +1230 |
| Baez Sebastian | +980 |
| Mair Laura | +899 |
| Jurna Elizabeth | +829 |
| Melnic Vladislav | +826 |
| Nakanishi Seiya | -756 |
| Mochizuki Shintaro | -605 |
| Bakker Sam | -600 |
| Lazarevic Andjela | -600 |
| Krall Liam | -576 |
This week's tournaments
| Main tournaments | ||||
| Indian Wells | 14 | |||
| Cap Cana challenger | 13 | |||
| Phoenix challenger | 13 | |||
| Indian Wells | 12 | |||
| Lower level tournaments | ||||
| Kigali 2 challenger | 21 | |||
| Santiago challenger | 19 | |||
| Cherbourg challenger | 20 | |||
| Hersonissos 2 challenger | 21 | |||
| UTR Pro Tennis Series 3 | 38 | |||
| UTR Pro Tennis Series 5 | 15 | |||
| UTR Pro Tennis Series 9 | 14 | |||
| Antalya 3 WTA | 24 | |||
| Austin 2 WTA | 10 | |||
| Kyoto 2 ITF | 17 | |||
| Heraklion 2 ITF | 23 | |||
| Huamantla 2 ITF | 0 | |||
| Monastir 26 ITF | 25 | |||
| Timaru ITF | 14 | |||
| UTR Pro Tennis Series 5 | 18 | |||
| UTR Pro Tennis Series 9 | 18 | |||
| Antalya 8 ITF | 0 | |||
| Gonesse ITF | 25 | |||
| Maanshan 2 ITF | 22 | |||
| Sharm El Sheikh 7 ITF | 16 | |||
| Victoriaville ITF | 20 | |||
| UTR Pro Match Series | 22 | |||
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