Ten-pin bowling Bowling Championships. Ten-pin bowling has an international ranking system, as with many professional individual sports. This ten-pin equivalent is known as the World Ranking Masters and is made of three vast tours: the European, Americas and Asian bowling tours. Other minor tournaments, although major in their respective countries, include Britain's prestigious BTBA Nationals (BTBA National Championships), the Brunswick Ballmaster Open, Brunswick Euro Challenge in Greece, ETBF European Youth Championships, the European Gold Cup and the Mediterranean Challenge Cup. The world's premier amateur event is the WB/WTBA World Championships (World Bowling) which has been running since 1954 and is now held
Bowling ball finger holes are arranged on the ball surface changes how the bowling ball moves down the lane. The drilling configuration is determined by the positions of the finger holes relative to the markings on the surface of the ball, and may also be positioned relative to the axis of rotation of a particular bowler. The axis is typically identified according to the Positive Axis Point (PAP), which marks the axis before axis migration has begun. In the United States, most bowlers only use holes intended for the middle and ring fingers of the dominant hand, as well as the thumb