Here are a few statistics about last year's Random Luck and Walkovers:
Total of singles and doubles tournaments (doesn't include challengers): 1621 played matches (2691 total matches) and 1070 RL/WO: 60.2% of played games;
Total of singles tournaments: 1203 played and 695 RL/WO: 63.3%
Total of doubles tournaments: 418 played and 375 RL/WO: 52.7%
Grand slams:
- Singles: 55.4% played
- Doubles: 49.2% played
Master Series:
- Singles: 60.0% played
- Doubles: 47.1% played
First part of the season (until Miami included):
- Singles: 66.0% played
- Doubles: 56.3% played
Second part of the season (until Roland Garros):
- Singles: 60.8% played
- Doubles: 46.8% played
Third part of the season (until US Open):
- Singles: 65.7% played
- Doubles: 54.1% played
Last part of the season (until Paris):
- Singles: 58.1% played
- Doubles: 51.6% played