WTA and ATP rankings on - 28.12.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 1. | - |
Morariu Corina | USA | 2862 |
| 2. | - |
Davenport Lindsay | USA | 2830 |
| 5. | - |
Raymond Lisa | USA | 2657 |
| 19. | - |
Williams Serena | USA | 1397 |
| 19. | - |
Williams Venus | USA | 1397 |
| 21. | - |
Po Kimberly | USA | 1383 |
| 22. | - |
Rubin Chanda | USA | 1357 |
| 28. | - |
Arendt Nicole | USA | 1027 |
| 34. | - |
Huber Liezel | USA | 923 |
| 46. | - |
Graham Debbie | USA | 716 |
| 48. | - |
Shaughnessy Meghann | USA | 707 |
| 62. | - |
Schlukebir Katie | USA | 581 |
| 66. | - |
Frazier Amy | USA | 521 |
| 69. | - |
Seles Monica | USA | 507 |
| 77. | - |
Wild Linda | USA | 431 |
| 78. | - |
De Lone Erika | USA | 431 |
| 80. | - |
Fernandez Mary Joe | USA | 426 |
| 101. | - |
McNeil Lori | USA | 294 |
| 102. | - |
Osterloh Lilia | USA | 292 |
| 107. | - |
Snyder Tara | USA | 272 |
| 111. | - |
Capriati Jennifer | USA | 263 |
| 112. | - |
Lee-Waters Lindsay | USA | 262 |
| 126. | - |
Stevenson Alexandra | USA | 208 |
| 131. | - |
Buth Dawn | USA | 203 |
| 141. | - |
Thu Julie | USA | 178 |
| 165. | - |
Fix Wendy | USA | 149 |
| 189. | - |
Cacic Sandra | USA | 119 |
| 190. | - |
Miller Karin | USA | 117 |
| 195. | - |
Reeves Samantha | USA | 115 |
| 197. | - |
Tu Meilen | USA | 114 |
| 205. | - |
Rippner Brie | USA | 105 |
| 214. | - |
Parkinson Holly | USA | 95 |
| 225. | - |
Washington Mashona | USA | 90 |
| 249. | - |
Jensen Rebecca | USA | 73 |
| 250. | - |
Watanabe-Giltz Jolene | USA | 73 |
| 263. | - |
Hopkins Jennifer | USA | 68 |
| 267. | - |
Augustus Amanda | USA | 65 |
| 290. | - |
Singian-Almeda Tracy | USA | 54 |
| 305. | - |
Okada Jean | USA | 50 |
| 308. | - |
Steven Julie | USA | 49 |
| 345. | - |
Trail Jacqueline | USA | 37 |
| 420. | - |
Taylor Sarah | USA | 24 |
| 457. | - |
Hall Jennifer | USA | 20 |
| 466. | - |
Ospina Diana | USA | 19 |
| 467. | - |
Engel Adria | USA | 19 |
| 492. | - |
Mabry Stephanie | USA | 16 |
| 496. | - |
Brandi Kristina | USA | 16 |
| 498. | - |
Dabek Tiffany | USA | 16 |
| 499. | - |
Ionescu Ella | USA | 16 |
| 516. | - |
Garzon-Elkins Martha | USA | 15 |
- Betting ranking
| Panshina Varvara | +2436 |
| Lee Carol Young Suh | +2133 |
| Bublik Alexander | +1644 |
| Moyano Luciana | +1530 |
| Mdlulwa Wozuko | +1474 |
| Seyboth Wild Thiago | -1480 |
| Kirchheimer Strong | -1467 |
| Matuszewski Gabriel | -1466 |
| Campana Lee Gerard | -1448 |
| Daniel Taro | -1410 |
This week's tournaments
| Main tournaments | ||||
| Athens | 7 | |||
| Metz | 5 | |||
| Masters Cup WTA | 4 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 8 | |||
| Taipei challenger | 10 | |||
| Lima 3 challenger | 8 | |||
| Matsuyama challenger | 10 | |||
| Knoxville challenger | 10 | |||
| UTR Pro Tennis Series 3 | 261 | |||
| UTR Pro Tennis Series 5 | 60 | |||
| UTR Pro Tennis Series 9 | 70 | |||
| Austin 2 | 7 | |||
| Tucuman | 9 | |||
| Faro ITF | 13 | |||
| Hamamatsu ITF | 14 | |||
| Liberec ITF | 12 | |||
| Orlando 3 ITF | 10 | |||
| UTR Pro Tennis Series 5 | 34 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 32 ITF | 12 | |||
| Castellon 2 ITF | 12 | |||
| Heraklion 9 ITF | 12 | |||
| Lincoln ITF | 12 | |||
| Monastir 6 ITF | 12 | |||
| Neuquén 2 ITF | 12 | |||
| Sharm El Sheikh 20 ITF | 12 | |||
| Solarino 4 ITF | 12 | |||
| Szabolcsveresmart ITF | 10 | |||
| UTR Pro Match Series | 142 | |||
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