Tennis Stats Calculator

Tennis serve effectiveness combines multiple stats to evaluate serving performance.

Serve Effectiveness = (Aces − Double Faults) / Total Service Points × 100

Ace Rate = Aces / Total Service Points × 100

Double Fault Rate = Double Faults / Total Service Points × 100

Break Point Save Rate = Break Points Saved / Total Break Points Faced × 100

Professional benchmarks (ATP Tour):

• First serve %: 58–68%
• Aces per match: 5–15
• Double faults per match: 2–5
• First serve points won: 70–80%
• Break points saved: 55–70%

WTA Tour benchmarks:

• First serve %: 58–65%
• Aces per match: 2–8
• Double faults per match: 2–6
• First serve points won: 62–72%
• Break points saved: 50–65%

Rating guide:

• Effectiveness above 15%: Elite server
• 8–15%: Strong server
• 3–8%: Average
• Below 3%: Needs improvement