网球发球成功率计算器
使用此网球发球成功率计算器快速获得准确的计算结果。
First Serve %
68.8%
First Serve % vs First Serves In
公式
## How Tennis Serve Stats Are Calculated ### Formulas - **First Serve %** = First Serves In / First Serve Attempts - **Ace %** = Aces / First Serve Attempts - **Double Fault %** = Double Faults / Second Serve Attempts ### Benchmarks A first serve percentage of 60-65% is typical for professional players. Ace rates vary from 5-15% depending on surface and serve speed.
计算示例
55 first serves in out of 80 attempts, 8 aces, 3 double faults.
- 01First serve % = 55 / 80 = 68.8%
- 02Ace % = 8 / 80 = 10.0%
- 03Second serve attempts = 80 - 55 = 25
- 04Double fault % = 3 / 25 = 12.0%
常见问题
What is a good first serve percentage?
Professional players typically land 55-70% of first serves. Above 65% is very good. Below 55% means relying too heavily on the second serve.
How many aces is good?
Big servers hit 10-20 aces per match. An ace rate of 10%+ of service points is strong.
Are double faults very costly?
Yes, each double fault is a free point for the opponent. Keeping double faults below 5% of service points is important.
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