Endurance cbt - 50 painfull hits to the balls
2 min
2 min HD+
2 min HD
99 sec HD
16 sec HD+
3 min HD+
2 min HD+
9 min HD+
8 min HD
4 min HD+
8 min HD+
15 min HD+
2 min HD+
7 min HD+
10 min HD+
6 min HD
4 min SD
43 sec SD
61 sec HD+
79 sec HD+
10 min HD
2 min HD
98 sec HD+
3 min HD
15 min SD
2 min HD+
3 min SD
3 min HD+
3 min HD+
10 min HD
3 min HD
18 min HD+
5 min HD
6 min HD
22 min HD
33 sec HD+
2 min SD
19 sec HD+
42 sec HD+
18 min HD
3 min SD