World rankings positions of Bettina Guyon| Date | | Position | | FLADUB | |
|---|
| ..199909 | | 199909 | | -68 | | | ..199908 | | 199908 | | -68 | | | ..199907 | | 199907 | | -68 | | | ..199906 | | 199906 | | -69 | | | ..199905 | | 199905 | | -69 | | | ..199904 | | 199904 | | -70 | | | ..199903 | | 199903 | | -70 | | | ..199902 | | 199902 | | -72 | | | ..199901 | | 199901 | | -73 | | | ..199812 | | 199812 | | -76 | | | ..199811 | | 199811 | | -78 | | | Mean: -71 | |
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