RallyIQ

Game plan

Michael Stich v Boris Becker

Every number combines what Michael Stich does well with what Boris Becker allows, each measured against the tour average and shrunk toward it when the sample is thin. Flip perspective

Forecast

Michael Stich wins, best of 3 37%90%: 22%–54% · best of 5: 34%
Serve points won 66.2% / 69.0% Michael / Boris · tour 65.7%
Strengths only, no similarity priors 35%serve 66.3% / 69.4%

Each player's serve and return strength is fitted against every opponent they were charted against, so a record built on weak opponents counts for less. At least one of them is no longer active or has too little charted in the last three seasons, so both are compared on their careers. The result is then nudged by Michael Stich's record against Boris Becker's tactical lookalikes and in their charted head-to-heads (lookalikes: +1.4 on serve, +0.5 on return vs expectation (1722 points); head-to-head: −2.7 on serve, +1.1 on return vs expectation (898 points)). A game-by-game Markov chain turns point odds into match odds; the 90% range covers the uncertainty in the two strengths, not the nudges. Charted matches lean toward big events, so treat this as a scouting estimate, not a betting line.

Head to head, per 100 shots

CareerMichaelBoris
Direction choice−0.23 ±0.10
better than 10%
+0.03 ±0.05
better than 65%
Shot selection+0.53 ±0.16
better than 95%
+0.33 ±0.11
better than 83%
Execution−1.39 ±0.40
better than 13%
−0.37 ±0.22
better than 50%
Points left on the table4.51 ±0.30
lower than 2%
3.75 ±0.16
lower than 5%

Each player's career against an average tour player in the same position, adjusted for opponent strength, with a 90% margin (shots clustered by match). Points left on the table is the gap to the best-value direction for the same stroke, so lower is better. Percentiles are within each player's own tour. A side is highlighted only when the gap is larger than the margin on the difference.

Serve plan

The share of points the server wins when a first serve lands in that direction (hover a rate for its 90% interval; ± is the 90% margin). "Matchup" combines the server's rate with how this returner handles that serve. "Optimal" is the mix that wins most against this returner once they start reading a habit, at the response measured across the tour, and only within the range servers' habits actually vary. The gain over the current mix is how exploitable that mix is.

Michael Stich serving

Deuce court

1st serveNowMichael winsv BorisMatchupOptimal
Wide40%77%73%77.7%±3.053% ▲
Body10%60%66%62.4%±6.50% ▼
T51%80%72%77.6%±3.147% ▼

Optimal v Boris Becker: +0.5±0.5 per 100 first serves (faults included) over the current mix. Serving wide every time would read +1.5 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowMichael winsv BorisMatchupOptimal
Wide41%77%70%74.2%±3.454% ▲
Body8%68%61%66.2%±7.30% ▼
T51%75%71%74.0%±3.346% ▼

Optimal v Boris Becker: +0.3±0.5 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving wide every time would read +0.7 per 100 first serves in before the returner adjusts.

Boris Becker serving

Deuce court

1st serveNowBoris winsv MichaelMatchupOptimal
Wide41%78%75%79.4%±2.754% ▲
Body9%70%71%76.2%±4.70% ▼
T50%81%77%82.1%±2.746% ▼

Optimal v Michael Stich: +0.2±0.5 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +1.7 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowBoris winsv MichaelMatchupOptimal
Wide49%78%77%81.0%±2.762% ▲
Body12%71%70%76.8%±4.912%
T39%75%75%77.3%±3.326% ▼

Optimal v Michael Stich: +0.1±0.5 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving wide every time would read +2.0 per 100 first serves in before the returner adjusts.

Return plan

Value of each return, in points per 100 returns against an average return of the same serve (direction, court, surface): the tour's result with that return, the returner's own edge with it, and what this server gives up when it comes back to that side. Returns with no charted direction are left out, so values compare with each other rather than with zero. Depth isn't a choice here: missed returns have no depth. Serve quality isn't charted, so a block through the middle partly reflects the serve that forced it.

Michael Stich returning

1st serve to the forehand

ReturnNowTourOwnv BorisValue
FH through the middle53%+4.3−1.1−1.6+1.6±1.5
FH crosscourt21%+5.5+1.1+1.5+8.0±3.0
FH down the line20%+1.7−1.3−0.8−0.4±3.1
FH slice through the middle2%−4.2−1.0+0.1−5.2±2.2
BH slice through the middle1%−1.6+0.5−1.9−2.9±1.3

Lean FH crosscourt: +5.7±2.6 per 100 returns v the current mix (949 returns charted)

1st serve to the backhand

ReturnNowTourOwnv BorisValue
BH slice through the middle26%−4.2−2.0−1.9−8.0±1.5
BH through the middle26%+6.4−4.8−4.2−2.5±1.7
BH slice crosscourt20%+0.5−1.5+1.7+0.8±2.2
BH crosscourt11%+8.8−1.0−3.6+4.2±2.7
BH down the line10%+4.2±0.0−4.1+0.2±3.7

Lean BH crosscourt: +6.5±2.6 per 100 returns v the current mix (1006 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv BorisValue
FH through the middle35%−3.5−0.3−1.2−5.0±2.2
FH down the line32%−1.8−1.7+2.0−1.5±3.7
FH crosscourt25%−0.2−0.5+2.1+1.3±3.6
BH through the middle3%+0.1−0.4−1.8−2.1±1.2
FH slice through the middle3%−12.7+0.9−0.4−12.1±1.9

Lean FH crosscourt: +3.5±3.0 per 100 returns v the current mix (279 returns charted)

2nd serve to the backhand

ReturnNowTourOwnv BorisValue
BH through the middle37%−2.9−0.1−1.8−4.7±1.6
BH crosscourt21%+1.0+1.2+1.8+4.0±2.3
BH down the line19%−0.2−2.1+0.9−1.4±3.8
BH slice crosscourt11%−4.0±0.0+2.1−1.9±2.1
BH slice through the middle8%−11.3−1.2+0.5−12.0±2.0

Lean BH crosscourt: +6.5±2.1 per 100 returns v the current mix (639 returns charted)

Boris Becker returning

1st serve to the forehand

ReturnNowTourOwnv MichaelValue
FH through the middle42%+4.3−1.3−1.9+1.0±1.6
FH down the line34%+1.7+2.1−2.3+1.4±2.8
FH crosscourt19%+5.5+2.7+2.3+10.5±3.1
FH slice through the middle2%−4.2+2.6+1.1−0.5±2.1
FH slice down the line1%−4.3−1.1±0.0−5.4±2.2

Lean FH crosscourt: +7.6±2.8 per 100 returns v the current mix (2642 returns charted)

1st serve to the backhand

ReturnNowTourOwnv MichaelValue
BH through the middle29%+6.4−2.2−3.1+1.1±1.6
BH slice through the middle20%−4.2+3.0−2.0−3.1±1.7
BH down the line18%+4.2+0.1−2.0+2.4±3.3
BH slice crosscourt15%+0.5+5.9−0.9+5.5±2.2
BH crosscourt12%+8.8+1.6+1.9+12.3±2.5

Lean BH crosscourt: +10.2±2.4 per 100 returns v the current mix (3917 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv MichaelValue
FH through the middle36%−3.5+0.8−0.6−3.2±2.3
FH down the line32%−1.8+2.2−2.2−1.7±3.9
FH crosscourt28%−0.2+2.8+1.7+4.3±3.9
BH slice through the middle1%−6.9+0.5−1.0−7.4±1.9
BH inside-in1%+2.5+2.9+1.7+7.1±2.4

Lean FH crosscourt: +4.9±3.2 per 100 returns v the current mix (747 returns charted)

2nd serve to the backhand

ReturnNowTourOwnv MichaelValue
BH through the middle26%−2.9−1.9−2.5−7.3±1.4
BH slice crosscourt21%−4.0+3.0−0.4−1.4±2.0
BH crosscourt19%+1.0+6.4+1.7+9.1±2.0
BH down the line13%−0.2−2.4±0.0−2.7±3.6
BH slice through the middle10%−11.3+3.9−1.0−8.4±2.1

Lean BH crosscourt: +11.0±1.8 per 100 returns v the current mix (2680 returns charted)

Rally plan

Edge, in points per 100 shots: the hitter's skill with the shot (own) plus how much the receiver usually gives up against it (theirs), both measured against the tour average on grass. Each player's grass record is shrunk toward their all-surface one, so a thin sample on it moves the numbers only a little.

Michael Stich

Favour

ShotEdgeOwnTheirs
BH volley to their backhand · rally+11.2±7.4+10.4+0.8
FH volley to their forehand · rally+8.9±7.3+7.3+1.6
FH to their forehand · serve +1+7.4±5.3+4.9+2.5
FH to their forehand · return +1+5.4±5.5+1.4+4.0
FH to their forehand · return+5.2±5.1+0.7+4.5
FH to their backhand · rally+4.3±4.4+1.4+2.9

Avoid

ShotEdgeOwnTheirs
FH volley to the middle · rally−20.6±8.2−12.7−7.9
BH to the middle · return +1−14.8±3.3−7.0−7.7
BH to the middle · rally−8.4±2.4−3.4−5.0
BH slice to the middle · return−7.3±2.6−3.7−3.6
BH to the middle · return−6.9±2.0−4.3−2.6

Boris Becker

Favour

ShotEdgeOwnTheirs
FH volley to their forehand · rally+19.5±7.6+9.0+10.4
BH volley to their backhand · rally+12.1±7.3+8.0+4.1
BH slice to their backhand · serve +1+12.0±3.7+6.8+5.2
FH to their forehand · return+10.8±5.1+5.0+5.8
FH to their backhand · serve +1+10.2±4.7+8.8+1.4
BH to their backhand · return+6.7±3.5+4.0+2.7

Avoid

ShotEdgeOwnTheirs
BH to the middle · return +1−13.1±3.4−7.5−5.6
BH slice to their forehand · return−7.2±4.9−1.6−5.6
BH to the middle · return−5.4±2.0−1.4−4.0
FH to the middle · rally−5.1±3.1−4.3−0.8
FH to their backhand · rally−4.8±4.5−2.6−2.2

Against Boris Becker-like opponents

Michael Stich vMatchesServe pts wonReturn pts won
All charted opponents–66.2%33.7%
Players most similar to Boris Becker7 68.3%32.0%
Boris Becker (charted head-to-head)5 62.1%34.7%

Similar by tactical fingerprint: Tim Henman, Mark Philippoussis, Pete Sampras, Todd Martin, Richard Krajicek, Malivai Washington, Guy Forget, Brad Gilbert, John Mcenroe. When two players have rarely met, their records against these lookalikes fill the gap.

Charted head-to-head