Table 5. Comparison time characteristics of ATP and WTA top 10 players.
| Male | Female | T | Z | P | |
|---|---|---|---|---|---|
| Age start training(years) | 4.3±1.9 | 5.6±1.4 | -2.076 | 0.038* | |
| Age start ranking(years) | 16.5±1.2 | 16.2±0.9 | -0.364 | 0.716 | |
| 600-400(months) | 4.6±4.1 | 4.8±6.6 | -0.266 | 0.790 | |
| 400-200(months) | 5.3±3.4 | 11.9±7.9 | 2.241 | 0.026* | |
| 200-150(months) | 4.2±3.8 | 4.9±4.9 | -0.267 | 0.790 | |
| 150-100(months) | 5.8±7.0 | 17.6±23.9 | -1.484 | 0.138 | |
| 100-50(months) | 8.8±9.0 | 12.1±9.1 | -1.027 | 0.305 | |
| 50-30(months) | 9.0±8.8 | 11.4±6.3 | 0.702 | 0.492 | |
| 30-10(months) | 13.2±12.0 | 17±11.2 | -0.796 | 0.426 | |
| Age to top 10(years) | 20.7±2.1 | 23±3.4 | 1.843 | 0.082 | |
| Time to top10(months) | 50.9±17.8 | 79.7±34.5 | 2.345 | 0.031* |