Table 1. Median (IQR) of competitive singles activity of junior and professional tennis players between 2000-2015.
| Activity |
Junior Boys |
Professional Men |
Junior Girls |
Professional Women |
| Sample Size (matches) |
1.8 million |
0.8 million |
1.5 million |
0.6 million |
| Sample Size (players) |
34,986 |
14,033 |
26,189 |
11,727 |
| Events Per Seasona,b |
| 1-250 |
21 (17-25) |
24 (21-27) |
18 (15-22) |
23 (19-26) |
| 251-500 |
16 (12-21) |
21 (18-24) |
14 (11-18) |
17 (13-21) |
| 501-750 |
13 (8-18) |
16 (13-20) |
12 (8-16) |
11 (8-15) |
| 751-1000 |
10 (6-15) |
11 (8-15) |
9 (6-13) |
7 (4-10) |
| Matches Per Seasona,b |
| 1-250 |
56 (47-65) |
60 (54-67) |
48 (41-56) |
54 (47-61) |
| 251-500 |
40 (29-47) |
45 (40-49) |
34 (26-40) |
34 (28-41) |
| 501-750 |
30 (20-37) |
31 (26-36) |
26 (18-32) |
20 (16-25) |
| 751-1000 |
23 (14-30) |
19 (15-24) |
20 (12-26) |
12 (8-15) |
| Sets Per Seasona,b |
| 1-250 |
129 (106-150) |
142 (126-160) |
109 (91-126) |
123 (107-140) |
| 251-500 |
90 (65-108) |
104 (91-117) |
76 (59-90) |
78 (65-93) |
| 501-750 |
68 (45-85) |
72 (59-84) |
59 (41-72) |
46 (36-57) |
| 751-1000 |
52 (31-68) |
44 (34-54) |
45 (27-58) |
26 (18-35) |
| Games Per Seasona,b |
| 1-250 |
652 (532-759) |
711 (632-811) |
535 (452-625) |
590 (514-686) |
| 251-500 |
440 (315-529) |
503 (444-567) |
364 (279-426) |
359 (301-422) |
| 501-750 |
325 (208-406) |
334 (278-390) |
273 (184-332) |
203 (159-250) |
| 751-1000 |
240 (139-314) |
190 (150-238) |
205 (121-262) |
107 (76-142) |
| Win Percentage Per Seasona,b |
| 1-250 |
64.2 (59.4-69.2) |
63.5 (59.2-67.8) |
65.1 (60.0-70.8) |
60.8 (55.7-66.7) |
| 251-500 |
57.9 (52.4-63.6) |
54.7 (50.0-59.2) |
57.8 (52.1-64.9) |
52.6 (46.7-59.5) |
| 501-750 |
54.5 (47.7-61.5) |
48.0 (42.9-54.2) |
53.6 (46.9-60.7) |
46.9 (40.0-55.6) |
| 751-1000 |
51.5 (44.4-60.0) |
41.2 (35.3-50.0) |
50.0 (42.9-57.9) |
40.0 (33.3-50.0) |
a Indicates a difference between junior boys and professional men at the 5% level or less
b Indicates a difference between junior girls and professional women at the 5% level or less
