Inconsistency Syndrome

You are inconsistent You hit one shot then blow the next or the one after that. You lose many more points to your unforced errors than to your opponent's winners. There is no shot you own that you feel you can rely on when the chips are down. Some days you wonder why you even bother to play this awful game.

I'm sorry, am I presuming too much? I don't think so. The preceding could easily describe most playing pros on a less than stellar day. Errors are an essential and unavoidable part of tennis. Trying to prevent all errors is pointless and dangerous to your game. Both success and enjoyment in tennis are dependent on minimizing errors. No matter how hard you hit, how fast you are, how beautiful your strokes - you still have to be able to hit two balls in a row over the net and into the court to win and stay sane.

First, and perhaps most important, you must abandon the fantasy of absolute control and embrace the reality of percentages.

Since unforced errors are universal, calling inconsistency a "syndrome" is like calling old age a syndrome. Just like old age, you cannot avoid inconsistency. You can manage it, but only if you embrace it first. The key is to stop fighting it. Understand that unforced errors are inevitable and the goal should be to mitigate them. The difference between avoidance and mitigation is subtle but important. Avoidance leads to over-cautious and defensive play, poor shot mechanics (see Rubber Elbow Syndrome) and a whole peck of psychopathology. Mitigation leads to victory.

First, and perhaps most important, you must abandon the fantasy of absolute control and embrace the reality of percentages.

Percentage Play

There are lots of uncontrollable parameters in tennis: The speed and spin of the incoming ball and the height of its bounce, the existence of a "sweet spot" and "dead zones" on the racket face. These and many other factors conspire to inject an exciting but frustrating unpredictability to a game that would be pretty boring without it. No one is meant to play error-free tennis. Knowing this, the smart or instinctive players embrace the chaos of the game and turn it to their advantage. They know how to push the limits of power, spin, placement, and depth without sacrificing any consistency. They always aim for the same set of targets, always hit a given shot the same way - not too hard, not too soft. They always hit with spin and never invent strokes on the fly. They never hit for the lines and never over-hit, but also never "play it safe." What would be the point? Every shot they hit is as safe as they can make it because every point counts.

Hello
Typical 'splash pattern' of professional groundstrokes: The elliptical distribution of impact points proves how little control even top pros have over where the ball lands. The red centroids mark their apparent targets.

So the best shot in the world is no good if it doesn't stay in play. On the other hand, it is also true - and sometimes this truth is tragically ignored - that a soft, short, flat, crappy shot is NOT more consistent than a hard, full stroke with the right kind of spin on it. Power is the source of pace AND control. There can be no control without some power and some spin. Go for too much power, control or spin and the ball will dive into the net or fly off into space. There are natural limits on how much of each of these you can generate efficiently and safely. What we need to do to stay consistent is to create and maintain a balance between pace, spin, control and placement.

Brewing Consistency

So step one in managing your percentages is to learn to combine just the right amount of power, control, placement and spin into a stroke that is easy for you to hit and highly likely to stay in play but is still effective. How does one do this? As humans we deal best with absolutes; more is better, less is more, etc. We don't love "a pinch of this and a dab of that," so how do we boil this down to "just enough power, control, and spin to achieve X"? The first thing to do is define 'X' very precisely. If you know exactly what you are trying to accomplish each time you strike the ball, then you can build, rebuild, and drill your shots with 'X' as your goal. Fail to achieve 'X,' and you need to adjust. Make 'X' consistently, and you are on the path to your A-game.

The 'X' Factor

'X' needs to be a simple, objective measure of the effectiveness of a stroke. Now, I might say that a 100% consistent, 100 mph forehand with 3000 rpm of topspin that lands on the backhand corner of the court is a good ball. Why can't I just do that? Well, there is no universe in which that is achievable (thank God!). Many B-players hit for the lines when they are trying to be aggressive, hit the ball 100 mph, albeit into the back fence, and lay on the topspin like it is a miracle cure for inconsistency. I have done all of those things at times. Interestingly, two of those parameters, taken by themselves, are achievable; pace and spin. The parts that do not work and will never work are placement and consistency. As noted above, 100% consistency is not possible in tennis. Less than 50% is not acceptable - you will always lose. So the sweet spot for consistency is somewhere between 50 and 100%. A very effective stroke, i.e. a 'winner', need be only 51 % consistent to win virtually every time. The less effective a shot, the more consistent it has to be. Thus many A-players hit the ball hard; increasing pace improves effectiveness more than it decreases consistency. On average 70-80% consistency is considered good for all strokes and the second serve, 60% for the first serve. If pace and spin don't radically effect percentages, how do you fine tune your consistency to get it into the desired range? The answer is placement. Not where the ball lands, but where you intend it to land.

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Hitting Your Smart Targets

    Inconsistency Syndrome
  • Chief Complaint
    • " I can't reliably put the ball into play. "
  • Symptoms(Sx):
    • fury, especially directed against oneself or the gods.
    • frustration or exasperation.
    • feelings of hopelessness.
  • Signs(S):
    • lots of near misses long or wide
      • lots means lots, not occasional
      • consistency dependent on mood and match history
      • practice is unproductive
        Pathophysiology(Px):
      • inconsistent targeting
        • absent a consistent target the EEP drifts closer to the lines
        • goal becomes a moving target leads to incoherent practice and play
        Diagnostic Tests (Tx):
      • check splash pattern
        • tight and coherent but...
        • center is too close to the lines
      • Treatment(Rx):
      • refocus on smart targets
        • adjust depth with pace or spin
        • do not aim for the lines
    • inconsistent inconsistencies
      • way more than usual random errors interspersed with good shots
      • any and all strokes can be involved
      • "increased randomness" pattern (long, short, wide)
      • no obvious technical issues
        • solid contact
        • plenty of spin
        • strokes feel right
        • feel on balance
        Pathophysiology(Px):
      • absent targeting
        • ignorance or denial of EEP
        • forgetting to aim
        Diagnostic Tests (Tx):
      • check splash pattern
        • incoherent pattern
        • no obvious central clusters
        • larger EEP
      • Treatment(Rx):
      • always remember to aim for a smart target
        • don't hit for 'areas'
        • don't just close your eyes and smash it
        • aim on everything - lobs, drops etc.
    • evidence of violence
      • cracked racket frame
      • bruising on the ankles or shin
      • broken spirit
        Pathophysiology(Px):
      • succumbing to hopelessness
      • Treatment(Rx):
      • trust the smart targets
        • remember perfection is a myth
  • Differential Diagnosis:
  • Prevention
    1. always be aware of the pattern of "splash pattern" of each of your strokes and make a mental picture of the center point
    2. continuously adjust strokes to bring the center splash point on top of your the target point.
      • add or reduce spin
      • add or reduce pace
      • pay more attention to placement and control (impulse)
Hello
Smart Targets in Singles: Build your EEPs around these targets and optimize effectiveness and consistency. The serve targets are close to the lines reflecting the smaller EEPs on the serve. The lateral EEPs are all closer to the sidelines than the baseline and service line reflecting the elliptical distributions of the splash points: Lateral placement is easier than controlling depth.

Smart Targets

The trick is to build your strokes and your game around a handful of 'smart targets'. If you try to hit these targets all of the time, regardless of the situation, you maximize both your effectiveness and your consistency. These targets reflect the principle of "Elliptical Error Probable (EEP)" - the fact that the best tennis player in the world cannot hit a 3-inch wide line from 120 feet away. Pros don't even try. They hit for a point about halfway between the service line and the baseline. No matter what the situation or how well or poorly they are hitting that day they always aim for the same targets. If the ball strikes the line for a winner it is not brilliance, it is sheer luck. The best you or Federer can hope for is that your balls fall in a random pattern around the target point with half of them falling within a 5 x 10-foot ellipse and the rest some distance outside of that ellipse. Some balls will be short, some will be deep, and some will be out. What happens when it is up to fate, not you. Once you accept this disturbing truth, you can build your entire game around hitting a handful of targets. You can optimize the power, placement, and spin of each of your strokes to hit those points and the result will be optimal consistency and effectiveness. Using the distribution of your ball's 'splash points' to judge the quality of balls you hit in practice is the ultimate in what is called "directed practice." On every ball you hit in practice you have a goal (cluster your balls around your targets) and feedback on your goals that is more than just hitting in or out. If your balls start to fall in a distribution centered on your safe target, then no further adjustment is needed.


Practicing Consistency

Contrary to popular belief, consistency is not an amorphous, mysterious and supernatural thing that is beyond the ken or grasp of those such as we. It is a tangible entity that can be developed, practiced and owned. It is certainly not trivial, and the preceding discussion only scratches the surface of the tough nut that is consistency. Mastery is perhaps a bit too much to ask, but a comfort level with our level of consistency is something that is worth the attempt.

What follows is an outline of one exercise in pursuit of consistency. It is also an excellent example of what Anders Ericsson called "deliberate practice". The key to deliberate practice is to break tasks down into identifiable goals with measurable outcomes. The goal is to 'tune' the pace and spin of strokes such that they more or less always land in the vicinity of a small set of targets with the intention of always aiming for those targets in a game. The targets are chosen to balance safety and depth. Safety for consistency and depth for effectiveness If, in practice, you pat yourself on the back every time you hit the baseline with your forehand you are practicing to lose. Conversely, it is OK to hit the baseline three times in a session if you also hit the service line three times but put most of the balls about halfway between. That is what the pros do (just Google 'tennis shot spot data' and click images). They don't fret about hitting the service line or pat themselves on the back when they hit the sidelines - they just keep hitting for their marks and are constantly, likely subconsciously, tweaking their strokes in real time based on their splash patterns. That way they don't have to wait until they start making errors to begin to head them off.

    Target Practice
  • Goals
    • Reduce Errors
    • Optimize Effectiveness
  • Context:
    • All strokes
    • All situations
  • Patterns:
    • Techniques
      • serve buckets
      • drop and Hit
      • ball machine
      • 2 person drills
        Challenge
      • hit at smart targets
        • vary pace
        • vary spin
        Feedback:
      • measure Elliptical Error Probable (EEP)
        • long axis length
        • short width
        • location of centroid
          • distance from ideal
          • 'EEP drift'
      • use brushed clay court or guesstimate
        Interpretation:
      • effectiveness and consistency maximal when
        • pace maximized
        • spin maximized
        • EEP dimensions minimized
        • EEP drift minimized