RallyIQ

Game plan

Zizou Bergs v Carlos Alcaraz

Every number combines what Zizou Bergs does well with what Carlos Alcaraz allows, each measured against the tour average and shrunk toward it when the sample is thin. Flip perspective

Forecast

Zizou Bergs wins, best of 3 3%90%: 0%–12% · best of 5: 1%
Serve points won 53.8% / 68.8% Zizou / Carlos · tour 63.5%
Strengths only, no similarity priors 2%serve 53.8% / 69.6%

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. Both were charted enough in the last three seasons, so those carry the most weight. The result is then nudged by Zizou Bergs's record against Carlos Alcaraz's tactical lookalikes and in their charted head-to-heads (lookalikes: +2.0 on serve, +3.2 on return vs expectation (403 points); head-to-head: −6.1 on serve, +11.1 on return vs expectation (112 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

CareerZizouCarlos
Direction choice−0.08 ±0.07
better than 36%
+0.08 ±0.03
better than 77%
Shot selection+0.25 ±0.19
better than 75%
+0.20 ±0.07
better than 73%
Execution−1.10 ±0.72
better than 22%
+0.54 ±0.21
better than 85%
Points left on the table2.64 ±0.13
lower than 46%
2.43 ±0.05
lower than 70%

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.

Structural compatibility

Expected edge per 100 rally shots from style alone: Zizou Bergs −1.90, Carlos Alcaraz +0.55. Each player's shot mix weighted by their own skill with each shot and by how much the other gives up against it. This is why some rankings gaps don't hold in a given matchup.

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.

Zizou Bergs serving

Deuce court

1st serveNowZizou winsv CarlosMatchupOptimal
Wide45%75%66%69.1%±5.343% ▼
Body11%68%61%66.3%±8.70% ▼
T44%76%68%69.0%±5.657% ▲

Optimal v Carlos Alcaraz: +0.2±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving wide every time would read +0.4 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowZizou winsv CarlosMatchupOptimal
Wide48%72%67%66.3%±5.744% ▼
Body9%67%58%62.1%±10.20% ▼
T43%65%65%58.1%±5.956% ▲

Optimal v Carlos Alcaraz: +0.2±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving wide every time would read +3.9 per 100 first serves in before the returner adjusts.

Carlos Alcaraz serving

Deuce court

1st serveNowCarlos winsv ZizouMatchupOptimal
Wide46%73%73%73.4%±4.553% ▲
Body18%67%63%67.5%±9.74% ▼
T37%77%73%74.8%±4.643% ▲

Optimal v Zizou Bergs: +0.5±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +1.9 per 100 first serves in before the returner adjusts.

Ad court

1st serveNowCarlos winsv ZizouMatchupOptimal
Wide49%72%74%72.5%±5.150%
Body16%66%66%68.7%±9.43% ▼
T34%72%77%77.5%±4.747% ▲

Optimal v Zizou Bergs: +0.7±0.7 per 100 first serves (faults included) over the current mix, inside the 90% margin. Serving T every time would read +3.9 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.

Zizou Bergs returning

1st serve to the forehand

ReturnNowTourOwnv CarlosValue
FH through the middle51%+4.3+0.1+0.5+4.9±1.9
FH down the line26%+1.7−3.0+1.0−0.4±3.4
FH crosscourt13%+5.5+2.7+0.8+9.0±3.4
FH slice through the middle6%−4.2−0.1−1.5−5.9±1.9
FH slice crosscourt3%−4.3−0.5−0.3−5.2±2.5

Lean FH crosscourt: +6.0±3.3 per 100 returns v the current mix (344 returns charted)

1st serve to the backhand

ReturnNowTourOwnv CarlosValue
BH through the middle40%+6.4−0.9+0.4+5.9±1.9
BH crosscourt21%+8.8−1.6+0.7+7.8±2.7
BH slice through the middle18%−4.2−1.0−2.8−8.0±2.1
BH down the line8%+4.2+0.3+0.1+4.5±3.6
BH slice down the line7%−8.4+0.1−1.8−10.1±3.3

Lean BH crosscourt: +5.5±2.3 per 100 returns v the current mix (306 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv CarlosValue
FH through the middle57%−3.5−1.7+0.1−5.0±2.3
FH down the line29%−1.8−0.2−2.0−3.9±3.9
FH crosscourt14%−0.2+0.6−1.0−0.7±3.4

Lean FH crosscourt: +3.4±3.4 per 100 returns v the current mix (124 returns charted)

2nd serve to the backhand

ReturnNowTourOwnv CarlosValue
BH crosscourt45%+1.0−1.7−0.2−0.9±2.4
BH through the middle40%−2.9−3.3−1.2−7.4±1.9
BH down the line5%−0.2+1.0−1.6−0.8±3.4
BH slice through the middle4%−11.3−0.7−3.6−15.6±2.1
FH through the middle4%−2.9+0.3+0.1−2.5±1.4

Lean BH crosscourt: +3.2±1.5 per 100 returns v the current mix (193 returns charted)

Carlos Alcaraz returning

1st serve to the forehand

ReturnNowTourOwnv ZizouValue
FH through the middle49%+4.3+1.2−2.1+3.4±2.0
FH crosscourt24%+5.5+1.3+3.4+10.3±3.4
FH down the line14%+1.7+1.2±0.0+2.9±3.6
FH slice through the middle8%−4.2+0.2−1.1−5.2±2.0
FH slice down the line2%−4.3+0.8+0.6−2.9±2.9

Lean FH crosscourt: +6.3±2.8 per 100 returns v the current mix (4205 returns charted)

1st serve to the backhand

ReturnNowTourOwnv ZizouValue
BH through the middle40%+6.4+1.0−2.0+5.4±1.9
BH crosscourt34%+8.8+1.5+1.7+12.1±2.6
BH slice through the middle10%−4.2−2.3−1.3−7.9±2.1
BH down the line7%+4.2−0.5+0.9+4.6±3.9
BH slice crosscourt6%+0.5−1.3−0.1−0.8±2.6

Lean BH crosscourt: +6.6±1.9 per 100 returns v the current mix (4723 returns charted)

2nd serve to the forehand

ReturnNowTourOwnv ZizouValue
FH through the middle42%−3.5−1.0−0.1−4.5±2.2
FH crosscourt36%−0.2−0.2+1.0+0.5±3.5
FH down the line17%−1.8−1.0−4.5−7.2±4.3
FH slice through the middle2%−12.7−0.8−1.6−15.0±1.8
FH slice down the line1%−9.4−1.6±0.0−11.0±1.7

Lean FH crosscourt: +3.9±2.5 per 100 returns v the current mix (1132 returns charted)

2nd serve to the backhand

ReturnNowTourOwnv ZizouValue
BH crosscourt45%+1.0+0.1+0.1+1.2±2.4
BH through the middle27%−2.9−2.1−1.4−6.3±1.9
BH down the line9%−0.2+1.4±0.0+1.2±4.3
FH through the middle7%−2.9±0.0−0.1−3.0±2.1
FH inside-in5%+0.6−1.5+1.0+0.1±4.0

Lean BH crosscourt: +2.9±1.5 per 100 returns v the current mix (2787 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.

Zizou Bergs

Favour

ShotEdgeOwnTheirs
FH to their forehand · return+3.4±3.5+2.6+0.7
BH to the middle · return +1+1.8±1.9+1.7+0.1
FH to the middle · return +1+1.4±2.2+1.6−0.2
BH to the middle · serve +1+0.9±2.0+0.5+0.5
FH to the middle · return−0.1±1.6−1.2+1.1
BH to their backhand · serve +1−0.2±2.3+0.3−0.6

Avoid

ShotEdgeOwnTheirs
FH to their backhand · serve +1−5.3±2.3−3.8−1.5
FH to their forehand · return +1−4.0±3.1−2.7−1.3
BH slice to the middle · return−3.9±2.1−1.2−2.7
FH to their forehand · rally−3.7±1.9−1.5−2.2
BH slice to their backhand · rally−3.6±2.0−2.3−1.3

Carlos Alcaraz

Favour

ShotEdgeOwnTheirs
FH to their forehand · return+3.9±3.4+0.4+3.5
BH to their backhand · return +1+2.8±2.5+1.1+1.7
FH to their backhand · serve +1+2.6±2.3+1.7+0.9
BH to their backhand · return+2.3±2.1+1.0+1.4
FH to their forehand · rally+2.3±2.0+1.4+0.9
BH to the middle · return +1+2.2±2.0+0.6+1.6

Avoid

ShotEdgeOwnTheirs
FH to their backhand · rally−3.3±2.0+1.6−4.9
FH to their backhand · return−3.3±2.9−0.5−2.9
BH to their forehand · serve +1−2.5±4.0+1.6−4.1
FH to the middle · return−1.3±1.6+0.7−1.9
BH to the middle · return−1.2±1.6+1.0−2.1

Against Carlos Alcaraz-like opponents

Zizou Bergs vMatchesServe pts wonReturn pts won
All charted opponents–64.4%33.6%
Players most similar to Carlos Alcaraz2 65.0%35.4%
Carlos Alcaraz (charted head-to-head)1 50.0%43.3%

Similar by tactical fingerprint: Stefanos Tsitsipas, Ben Shelton, Fabian Marozsan, Tallon Griekspoor, Alejandro Tabilo, Pablo Carreno Busta, Lorenzo Sonego, Francisco Cerundolo, Luca Nardi. When two players have rarely met, their records against these lookalikes fill the gap.

Charted head-to-head