Pro and recreational tennis have come a long way since the birth of the sport. But that’s no reason not to seek continuous improvement. Here are 10 things that need to change in 2013 to improve the sport.

Calling foot faults is tough at the amateur level. First of all, it’s difficult to see completely clearly that an opponent is certainly foot-faulting. In doubles, it’s slightly easier to watch for, but still difficult to call.

Other than foot-faulting, the number one rule problem in amateur/recreational tennis is line-calling. Of course there will always be bad line calls on purpose and otherwise, but there’s an even more fundamental problem among tennis players (mostly at the 3.0-3.5 level). They just don’t get that if the ball touches the line, it’s good.

It’s USTA league season again (well, when isn’t it?). And one of the most missed/ignored rules is the foot fault. Here’s a reminder from Sheila Banks, Director of Adult/Senior Recreation USTA/Pacific Northwest, reminding players of the foot fault rule and how to handle a team that is committing foot faults: