Notational analyses of men’s professional tennis matches played on hard and clay courts
| Hard court | Clay court | |||
|---|---|---|---|---|
| Mean (SD) | Min–max | Mean (SD) | Min–max | |
| Values (n = 6) presented are mean (SD), minimum, and maximum. | ||||
| **Significant difference (p<0.01) between the hard and clay court tournaments. | ||||
| Match duration (min) | 119 (36) | 84–171 | 79 (13) | 61–101 |
| Rally length (s) | 6.7 (2.2) | 3.1–15.0 | 7.5 (3.0) | 2.8–17.9 |
| Shots per rally | 4.7 (1.4) | 2.4–8.4 | 4.5 (2.0) | 2.3–11.8 |
| Direction changes per rally | 2.5 (0.9) | 1.0–4.6 | 2.4 (1.3) | 1.2–8.4 |
| Time between games (s) | 59.9 (18.1) | 23.9–108.6 | 50.0 (18.5) | 8.0–117.5 |
| Time between points (s) | 25.1 (4.3)** | 16.7–34.4 | 17.2 (3.3) | 10.2–27.5 |
| Time between serves (s) | 11.7 (3.2) | 5.2–22.1 | 10.6 (2.5) | 7.6–24.4 |