RallyIQ

ATP · Right-handed · 2 charted matches · 2019–2019

Guido Andreozzi

Shot expected value

The share of points Guido Andreozzi goes on to win after each option in the positions they face most often, shrunk toward tour average when the sample is small. Showing the 8 most-used options; teal marks the best one with at least 30 shots.

Rally, shots 5–8: drive to your middle

position worth 51% to the average player · 66 shots

OptionUsedWin %Tour
FH down the line 50% 42.1%±11.2 51.5%
FH crosscourt 30% 53.9%±13.0 52.7%

Long rally, 9+: drive to your backhand side

position worth 46% to the average player · 42 shots

OptionUsedWin %Tour
BH crosscourt 43% 46.3%±13.3 48.0%
BH through the middle 24% 35.9%±14.4 43.8%

Rally, shots 5–8: drive to your backhand side

position worth 46% to the average player · 36 shots

OptionUsedWin %Tour
BH crosscourt 39% 39.8%±13.8 47.6%
BH through the middle 31% 37.9%±14.3 43.7%
FH inside-out 31% 52.8%±14.7 51.8%

Serve under pressure

Deuce court

1st serveUsageBreak ptWon when in
Wide 43% 50% 75% / 73%
Body 16% 0% ▼ 59% / 63%
T 42% 50% ▲ 68% / 75%

77 normal · 2 break-point 1st serves

Ad court

1st serveUsageBreak ptWon when in
Wide 59% 67% 66% / 73%
Body 7% 20% ▲ 62% / 63%
T 34% 13% ▼ 69% / 72%

61 normal · 15 break-point 1st serves

Is the serve mix in equilibrium?

Game theory says a well-mixed server wins equally often with every direction they use. If one direction wins more, it's underused and points are being left behind. This is the minimax test Walker and Wooders ran on Wimbledon finals, applied to every charted first serve. Win rates include faults. "Optimal" allows for returners reading a habit. No measurable response (−0.05 ± 0.15 points per 100 serves for every 10 points of habitual usage), measured from ATP servers whose mix drifted between matches. Shifts stay within the range servers' habits actually vary, the only range that response was measured over.

Deuce court

1st serveUsagePoints won
Wide43% 58.2%±10.1 n=34
Body15% 53.0%±12.7 n=12
T42% 51.5%±10.4 n=33

Consistent with an optimal mix (p = 0.54).

Ad court

1st serveUsagePoints won
Wide61% 58.5%±9.3 n=46
Body9% 57.7%±13.4 n=7
T30% 57.1%±11.2 n=23

Consistent with an optimal mix (p = 0.81).

Return by serve direction

Return points won against each serve direction, compared with the tour average.

ServeCourtDirectionPointsWonvs tour
1stAd courtBody 2 38% +0.8±14.1
1stAd courtT 13 36% +7.8±12.0
1stAd courtWide 27 35% +8.2±10.4
1stDeuce courtBody 2 34% −2.3±13.8
1stDeuce courtT 15 28% +2.8±11.0
1stDeuce courtWide 27 30% +2.9±10.0
2ndAd courtBody 6 49% +0.1±13.7
2ndAd courtWide 21 44% −4.2±11.4
2ndDeuce courtBody 13 53% +3.8±12.5
2ndDeuce courtT 13 51% +1.3±12.5
2ndDeuce courtWide 3 47% −1.3±14.3

Signature patterns

Recurring sequences that win more than Guido Andreozzi's own baseline, ranked by edge weighted by how often they're used.

Serve → +1

  1. Not enough data

Return

  1. Not enough data

Rally, consecutive own shots

  1. FH crosscourt → FH down the line used 50.0% · won 50% · −4.9±10.6 vs own baseline

Discovered sequences

Mined from every me → opponent → me run of three shots, with no templates. Ranked by how much more often Guido Andreozzi wins the point once the sequence happens, weighted by how often it happens. Think of them as chess openings.

  1. FH crosscourt → FH crosscourt → FH down the line used 3.1% · won 45% · −0.6±12.9 vs own baseline · −3.0 vs tour on the same sequence Disrupted by Ilya Ivashka (5/12)

Strengths and vulnerabilities

Value per 100 shots compared with the average player hitting (strengths) or facing (vulnerabilities) the same shot. Only shot types seen at least 120 times.

Hurts opponents most with

FH to their backhand · rally−0.8121

Most exposed to

Charted matches