RallyIQ

Game plan

David Nalbandian v Alex Corretja

Every number combines what David Nalbandian does well with what Alex Corretja allows, each measured against the tour average and shrunk toward it when the sample is thin. Flip perspective

Forecast

David Nalbandian wins, best of 3 39%90%: 17%–65% · best of 5: 37%
Serve points won 55.6% / 57.6% David / Alex · tour 61.3%
Strengths only, no similarity priors 44%serve 56.1% / 57.2%

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 At least one of them is no longer active or has too little charted in the last three seasons, so both are compared on their careers.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 David Nalbandian's record against Alex Corretja's tactical lookalikes and in their charted head-to-heads (lookalikes: −13.0 on serve, −8.5 on return vs expectation (142 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

CareerDavidAlex
Direction choice+0.26 ±0.05
better than 97%
+0.07 ±0.11
better than 76%
Shot selection−0.29 ±0.09
better than 24%
−0.16 ±0.18
better than 33%
Execution+0.33 ±0.30
better than 79%
+0.38 ±0.51
better than 82%
Points left on the table2.02 ±0.09
lower than 99%
2.48 ±0.14
lower than 63%

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.

David Nalbandian serving

Deuce court

1st serveNowDavid winsv AlexMatchupOptimal
Wide40%69%72%67.7%±5.753% ▲
Body13%63%61%61.4%±9.00% ▼
T48%71%74%70.0%±5.947%

Optimal v Alex Corretja: +0.7±0.8 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +2.0 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowDavid winsv AlexMatchupOptimal
Wide54%64%68%58.8%±5.346% ▼
Body5%63%67%67.3%±11.00% ▼
T41%70%74%72.7%±7.154% ▲

Optimal v Alex Corretja: +0.3±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +7.8 per 100 first serves in before the returner adjusts.

Alex Corretja serving

Deuce court

1st serveNowAlex winsv DavidMatchupOptimal
Wide41%68%73%68.0%±5.742%
Body19%59%76%72.5%±8.55% ▼
T40%74%75%74.3%±5.453% ▲

Optimal v David Nalbandian: +0.3±0.9 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +3.0 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowAlex winsv DavidMatchupOptimal
Wide59%69%71%67.6%±5.072% ▲
Body12%64%60%61.3%±10.90% ▼
T28%67%74%69.5%±6.828%

Optimal v David Nalbandian: +0.1±0.8 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +2.1 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.

David Nalbandian returning

1st serve to the forehand

ReturnNowTourOwnv AlexValue
FH through the middle38%+4.3−0.4+0.8+4.6±2.4
FH crosscourt30%+5.5−3.1+2.3+4.7±3.8
FH slice through the middle11%−4.2−0.6−0.1−4.8±2.1
FH down the line10%+1.7−3.4+2.2+0.5±4.4
FH slice down the line6%−4.3+0.2+1.2−2.9±2.9

Lean FH crosscourt: +2.4±2.9 per 100 returns v the current mix (933 returns charted, inside the 90% margin)

1st serve to the backhand

ReturnNowTourOwnv AlexValue
BH crosscourt32%+8.8+1.0+1.6+11.4±2.8
BH through the middle26%+6.4+0.9+1.4+8.7±2.3
BH slice through the middle18%−4.2−0.6+2.1−2.7±2.2
BH slice crosscourt14%+0.5+0.8+3.3+4.7±2.7
BH down the line6%+4.2+1.8+1.1+7.1±4.6

Lean BH crosscourt: +5.2±2.1 per 100 returns v the current mix (915 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv AlexValue
FH crosscourt40%−0.2+0.5+1.0+1.2±4.1
FH through the middle35%−3.5−1.9+1.4−4.0±2.7
FH down the line16%−1.8−0.4+2.9+0.8±4.6
FH slice through the middle3%−12.7−0.1±0.0−12.7±1.3
FH slice down the line2%−9.4+0.9±0.0−8.5±1.6

Lean FH crosscourt: +2.6±2.8 per 100 returns v the current mix (324 returns charted, inside the 90% margin)

2nd serve to the backhand

ReturnNowTourOwnv AlexValue
BH crosscourt60%+1.0+0.7+0.1+1.8±2.4
BH through the middle22%−2.9+0.1+0.1−2.6±2.1
BH down the line12%−0.2+1.7+0.6+2.1±4.9
BH slice crosscourt3%−4.0−2.3+0.9−5.4±2.5
FH through the middle2%−2.9−0.4+1.4−1.9±2.1

Lean BH down the line: +1.7±4.6 per 100 returns v the current mix (792 returns charted, inside the 90% margin)

Alex Corretja returning

1st serve to the forehand

ReturnNowTourOwnv DavidValue
FH down the line34%+1.7−0.7+2.9+3.9±3.8
FH through the middle32%+4.3−1.2+0.8+3.9±2.5
FH crosscourt19%+5.5−4.7−0.5+0.3±4.0
FH slice through the middle12%−4.2−1.3+1.3−4.2±2.3
FH slice down the line3%−4.3−0.5+1.8−3.0±2.7

Lean FH down the line: +1.9±2.8 per 100 returns v the current mix (287 returns charted, inside the 90% margin)

1st serve to the backhand

ReturnNowTourOwnv DavidValue
BH slice through the middle25%−4.2+0.8+1.7−1.7±2.1
BH slice crosscourt22%+0.5+3.0+2.3+5.8±2.7
BH through the middle22%+6.4−1.8+1.6+6.2±2.3
BH crosscourt16%+8.8+2.3+2.6+13.7±3.0
BH down the line10%+4.2−2.1+5.8+7.9±4.3

Lean BH crosscourt: +9.1±2.7 per 100 returns v the current mix (511 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv DavidValue
FH down the line43%−1.8+1.1−1.4−2.0±4.5
FH through the middle29%−3.5−1.7+1.1−4.1±2.6
FH crosscourt27%−0.2+1.0+3.3+4.1±4.3

Lean FH crosscourt: +5.1±3.8 per 100 returns v the current mix (113 returns charted)

2nd serve to the backhand

ReturnNowTourOwnv DavidValue
BH crosscourt38%+1.0+1.6−1.7+0.9±2.6
BH through the middle24%−2.9+0.1+0.7−2.1±2.1
BH slice crosscourt11%−4.0+1.5+1.8−0.7±2.6
BH down the line8%−0.2−3.0+0.3−2.9±4.5
FH inside-out6%+1.0−0.8−1.4−1.2±3.4

Lean BH crosscourt: +2.2±1.8 per 100 returns v the current mix (379 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 clay. Each player's clay record is shrunk toward their all-surface one, so a thin sample on it moves the numbers only a little.

David Nalbandian

Favour

ShotEdgeOwnTheirs
BH slice to their backhand · return+6.9±3.5+1.5+5.4
BH slice to their backhand · return +1+3.8±3.8+0.7+3.1
BH to their forehand · return+3.7±6.0+1.8+2.0
FH to the middle · rally+3.5±2.4+1.8+1.7
BH to the middle · return +1+3.5±3.1+1.8+1.8
BH slice to the middle · return+2.9±2.9+0.8+2.1

Avoid

ShotEdgeOwnTheirs
BH slice to their forehand · rally−5.7±5.0−2.6−3.1
FH volley to their forehand · rally−4.5±8.2+1.2−5.7
BH to their forehand · serve +1−3.1±6.2+1.4−4.5
FH to their backhand · rally−2.5±2.6+0.2−2.7
FH to their backhand · serve +1−2.2±3.6−0.6−1.6

Alex Corretja

Favour

ShotEdgeOwnTheirs
BH slice to their backhand · return+7.2±3.5+3.2+4.0
BH slice to the middle · return+5.4±2.8+3.9+1.6
FH to the middle · serve +1+5.1±3.4+0.2+4.9
FH to their forehand · serve +1+3.4±4.3+0.3+3.1
BH to the middle · serve +1+2.3±3.2+2.4−0.1
BH slice to their forehand · rally+2.0±4.8+2.4−0.4

Avoid

ShotEdgeOwnTheirs
FH to their forehand · return−6.4±5.7−4.5−2.0
FH to their backhand · return +1−4.6±4.5−0.4−4.2
BH to their forehand · return +1−4.5±6.1−2.7−1.8
FH to their backhand · rally−2.7±2.5−0.7−2.0
BH to their forehand · rally−2.3±4.2−0.6−1.7

Against Alex Corretja-like opponents

David Nalbandian vMatchesServe pts wonReturn pts won
All charted opponents–61.7%37.5%
Players most similar to Alex Corretja1 50.0%29.7%

Similar by tactical fingerprint: Guillermo Garcia Lopez, Carlos Moya, Arnaud Clement, Wayne Ferreira, Albert Costa, Marcelo Rios, Magnus Norman, Sergi Bruguera, Ivan Lendl. When two players have rarely met, their records against these lookalikes fill the gap.