Table 1.
Match performance of male tennis players within different sets during hard-court Grand Slams
| Set No. | 1st Set | 2nd Set | 3rd Set | 4th Set | 5th Set | |||
|---|---|---|---|---|---|---|---|---|
| Variables | (n = 292) | (n = 294) | (n = 294) | (n = 150) | (n = 56) | F | p | η2 |
| Ace% | 9.0 (7.2) | 8.3 (7.4) | 8.6 (7.7) | 8.6 (8.3) | 8.3 (7.0) | 0.373 | 0.82 | 0.001 |
| Serve winner% | 2.2 (3.2) | 1.8 (2.8) | 1.6 (2.3) | 1.5 (2.4) | 1.6 (2.5) | 2.979 | 0.02 | 0.01 |
| Double fault% | 10.9 (9.7) | 10.5 (10.0) | 11.8 (10.7) | 10.2 (9.7) | 10.1 (10.7) | 0.860 | 0.49 | 0.003 |
| 1st serve in% | 59.5 (10.6) | 59.4 (11.1) | 59.8 (11.1) | 58.9 (10.1) | 61.1 (9.9) | 0.502 | 0.74 | 0.002 |
| 1st serve won% | 73.4 (12.8) | 71.8 (14.2) | 73.1 (13.3) | 70.4 (13.4) | 71.8 (11.7) | 1.592 | 0.17 | 0.006 |
| 2nd serve won% | 51.7 (16.9) | 50.7 (17.5) | 50.5 (16.4) | 49.9 (17.9) | 47.9 (16.2) | 0.736 | 0.57 | 0.003 |
| Fastest (km/h) Serve Speed | 204.3 (11.1) | 203 (11.3) | 202.6 (11.4) | 201.9 (12.2) | 199.2 (11.1) | 2.896 | 0.02 | 0.01 |
| 1(st km/Average h) Speed | 185.1 (10.3) | 184.0 (10.5) | 183.0 (10.6) | 181.3 (10.1) | 180.7 (10.7) | 4.730 | 0.001 | 0.02 |
| 2(nd km/Average h) Speed | 150.0 (11.4) | 149.8 (11.3) | 149.4 (11.5) | 147.2 (10.0) | 146.8 (10.6) | 2.510 | 0.04 | 0.01 |
| Return winner% | 1.6 (2.6) | 1.9 (3.0) | 1.8 (2.6) | 2.2 (3.2) | 2.2 (2.9) | 1.088 | 0.36 | 0.004 |
| Return error% unforced | 3.6 (4.1) | 3.1 (3.8) | 3.2 (3.9) | 4.2 (5.2) | 3.0 (3.6) | 2.062 | 0.08 | 0.008 |
| Return won% 1st serve | 26.6 (12.8) | 28.2 (14.2) | 26.9 (13.3) | 29.6 (13.4) | 28.2 (11.7) | 1.592 | 0.17 | 0.006 |
| Return won% 2nd serve | 48.3 (16.9) | 49.3 (17.5) | 49.5 (16.4) | 50.1 (17.9) | 52.1 (16.2) | 0.736 | 0.57 | 0.003 |
| Break return points game per | 0.6 (0.5) | 0.6 (0.5) | 0.5 (0.5) | 0.6 (0.5) | 0.6 (0.5) | 0.392 | 0.82 | 0.001 |
| Break points won% | 36.3 (36.1) | 36 (34.3) | 35.6 (36.4) | 37.8 (33.3) | 41.4 (37.1) | 0.392 | 0.82 | 0.001 |
| Break points saved% | 63.7 (36.1) | 64 (34.3) | 64.4 (36.4) | 62.2 (33.3) | 58.6 (37.1) | 1.282 | 0.28 | 0.005 |
| Winner won% of total points | 32.0 (11.7) | 33.7 (11.5) | 34.0 (11.4) | 33.8 (12.0) | 33.3 (13.0) | 1.332 | 0.26 | 0.005 |
| Winner error ratio per unforced | 1.1 (0.9) | 1.4 (1.6) | 1.4 (1.5) | 1.3 (1.1) | 1.2 (0.9) | 0.518 | 0.72 | 0.002 |
| Dominance ratio | 1.2 (0.6) | 1.1 (0.7) | 1.2 (0.9) | 1.2 (0.9) | 1.1 (0.5) | 0.518 | 0.72 | 0.002 |
| Net point won% | 65.4 (23.9) | 65.0 (22.5) | 65.0 (23.1) | 62.8 (23.1) | 65.6 (25.1) | 3.923 | 0.004 | 0.014 |
| Net points success won% of total | 14.2 (8.3) | 16.8 (9.9) | 16.7 (10.1) | 15.2 (9.3) | 15.3 (9.2) | 0.334 | 0.855 | 0.001 |
| Total covered distance (m) | 640.4 (241.4) | 658.5 (250) | 630.7 (253.4) | 623.2 (260) | 653.3 (267.3) | 0.704 | 0.589 | 0.003 |
| Distance point (m) covered per | 10.3 (2.7) | 10.7 (2.9) | 10.3 (2.9) | 10.2 (2.8) | 10.6 (3.2) | 1.047 | 0.382 | 0.004 |