Table 2. Frequencies of all matches and retired matches by tournament type.

Tournament type	All matches	Retired matches	Retired matches in %
Grand Slams	22,037	533	2.42
ATP World Tour	125,241	2,014	1.61
ATP Challengers	110,825	2,886	2.60
Futures	144,418	5,187	3.59
Team	7,167	181	2.53
Total	420,489	10,801	2.57