RallyIQ

ATP · Right-handed · 3 charted matches · 2021–2025

Tristan Schoolkate

Against an average opponent

Serve points won 63.5% ±4.1 raw 61.5% · tour 63.4% · 358 points
Return points won 36.3% ±4.1 raw 34.2% · tour 36.6% · 333 points

Serve and return points won, refitted against every opponent at once so a record built on weak or strong opposition is put on the same scale. Career, all surfaces, with a 90% margin. Raw is the plain share of points won.

Shot expected value

The share of points Tristan Schoolkate 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 backhand side

position worth 46% to the average player · 48 shots

OptionUsedWin %Tour
BH through the middle 27% 50.7%±14.3 43.7%
BH crosscourt 27% 44.0%±14.2 47.6%
FH inside-out 21% 54.6%±15.0 51.8%

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

position worth 44% to the average player · 43 shots

OptionUsedWin %Tour
FH crosscourt 44% 47.0%±13.1 46.6%
FH down the line 40% 26.9%±12.0 44.7%

Rally, shots 5–8: drive to your middle

position worth 51% to the average player · 31 shots

OptionUsedWin %Tour
FH crosscourt 45% 57.5%±13.9 52.7%
FH down the line 35% 42.9%±14.6 51.5%

Serve under pressure

Deuce court

1st serveUsageBreak ptWon when in
Wide 40% 100% ▲ 78% / 73%
Body 5% 0% 56% / 63%
T 55% 0% ▼ 74% / 75%

183 normal · 6 break-point 1st serves

Ad court

1st serveUsageBreak ptWon when in
Wide 52% 71% ▲ 76% / 73%
Body 1% 0% – / 63%
T 47% 29% ▼ 68% / 72%

148 normal · 21 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
Wide42% 64.5%±7.5 n=79
Body5% 57.5%±12.9 n=10
T53% 62.2%±7.0 n=100

Consistent with an optimal mix (p = 0.38).

Ad court

1st serveUsagePoints won
Wide54% 61.3%±7.3 n=92
Body1% 61.5%±14.4 n=1
T45% 58.9%±7.9 n=76

Consistent with an optimal mix (p = 0.70).

Repeating the previous direction to the same court: +2.0±9.0 points per 100 against switching. Negative means returners read repeats. Tour-wide, repeating costs women about 0.4 points per 100 and costs men nothing, so men's returners don't measurably anticipate direction. (166 repeats, 186 switches.)

Return by serve direction

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

ServeCourtDirectionPointsWonvs tour
1stAd courtBody 13 37% +0.4±12.1
1stAd courtT 57 23% −4.6±7.5
1stAd courtWide 26 32% +5.2±10.3
1stDeuce courtBody 8 37% +0.2±12.9
1stDeuce courtT 40 25% ±0.0±8.5
1stDeuce courtWide 54 24% −3.2±7.7
2ndAd courtBody 22 50% +0.3±11.4
2ndAd courtT 13 53% +3.7±12.5
2ndAd courtWide 27 48% −0.1±10.9
2ndDeuce courtBody 38 42% −6.8±9.9
2ndDeuce courtT 24 50% +0.1±11.2
2ndDeuce courtWide 10 46% −2.0±13.0

Charted matches