WTA and ATP rankings on - 17.09.1998
- Searching
- Ranking - singles
- Ranking - doubles
- Race - singles
| Rank | Move | Player name | Country | Points |
| 39. | - |
Tanasugarn Tamarine | Thailand | 681 |
| 63. | - |
Wang Shi-Ting | Thailand | 424 |
| 320. | - |
Chi Stephanie | Thailand | 48 |
| 321. | - |
Sangaram Benjamas | Thailand | 48 |
| 553. | - |
Duangchan Suvimol | Thailand | 15 |
| 726. | - |
Niroj Marissa | Thailand | 7 |
| 747. | - |
Wongkamalasai Orawan | Thailand | 6 |
| 779. | - |
Tsai Ya-Fang | Thailand | 5 |
| 939. | - |
Anuchan Montika | Thailand | 3 |
| 996. | - |
Naree Sawitre | Thailand | 2 |
| 1010. | - |
Witoonpanich Pirada | Thailand | 2 |
|1-50|
- Betting ranking
| Cerundolo Juan Manuel | +1575 |
| Guerrieri Andrea | +1180 |
| Mashtakov Mykyta | +1121 |
| Encheva Lidia | +1054 |
| Gallego Juan Ignacio | +1054 |
| Marcinkevica Diana | -1415 |
| Svatikova Laura | -1386 |
| Covato Matteo | -1322 |
| Otegui Juan Bautista | -1287 |
| Garcia-Perez Georgina | -1286 |
This week's tournaments
| Main tournaments | ||||
| US Open | 40 | |||
| US Open | 40 | |||
| Lower level tournaments | ||||
| Zhangjiagang challenger | 16 | |||
| Como challenger | 13 | |||
| Mallorca challenger | 16 | |||
| Porto 2 challenger | 14 | |||
| Plovdiv 3 challenger | 13 | |||
| UTR Pro Tennis Series 3 | 27 | |||
| UTR Pro Tennis Series 5 | 6 | |||
| UTR Pro Tennis Series 9 | 6 | |||
| Tianjin 5 ITF | 15 | |||
| Leiria ITF | 16 | |||
| Saint Palais sur Mer ITF | 17 | |||
| Kursumlijska Banja 17 ITF | 19 | |||
| UTR Pro Tennis Series 5 | 7 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Badalona ITF | 16 | |||
| Brasov 3 ITF | 17 | |||
| Cap d'Agde ITF | 11 | |||
| Fiano Romano ITF | 17 | |||
| Grodzisk Mazowiecki ITF | 21 | |||
| Haren ITF | 12 | |||
| Hurghada 9 ITF | 21 | |||
| Lujan ITF | 14 | |||
| Monastir 48 ITF | 20 | |||
| Porto Velho ITF | 15 | |||
| Pécs ITF | 16 | |||
| Yeongwol ITF | 18 | |||
| UTR Pro Match Series | 37 | |||
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- Interesting matches
