Scouting Summary
Marta Kostyuk's current window is too thin or skewed for a stable public style read. Only 15 charted matches sit in this window, so the read is still directional. Use the metric cards as directional hints, not a settled profile.
Public WTA coverage-qualified profile built from charted matches. Start with the summary, then follow one reliable trait into the wider tour.
Scouting Summary
Marta Kostyuk's current window is too thin or skewed for a stable public style read. Only 15 charted matches sit in this window, so the read is still directional. Use the metric cards as directional hints, not a settled profile.
The top line stays simple. Expand any card when you want the raw sample, uncertainty, baseline, rank, and nearby names in the leaderboard.
Profile Shape
Read the page like a scout
Deep return rate
29.7%
Higher values usually mean the return is buying time, pinning the server back, and moving the point off easy first-ball offense.
Adjusted value: 29.7%
Raw value: 28.2%
Baseline: 33.4%
Vs baseline: -3.7 pts
Confidence: High confidence
90% interval: 27.4-32.1
Effective sample size: 1034.5
Sample: 1040 returnable returns · weighted 1078
Threshold: 300+ returnable returns
Forehand attack rate
32.2%
Higher values point to a forehand that steps on the point instead of simply recycling crosscourt.
Adjusted value: 32.2%
Raw value: 32.5%
Baseline: 31.6%
Vs baseline: +0.6 pts
Confidence: High confidence
90% interval: 30.3-34.2
Effective sample size: 1537.6
Sample: 1546 charted forehand directions · weighted 1609
Threshold: 500+ charted forehand directions
Serve variety
99 / 100
Higher values usually mean the first-ball read is harder because serve patterns are not concentrated in one lane.
Adjusted value: 99 / 100
Raw value: 98 / 100
Baseline: 99 / 100
Vs baseline: -0.4 pts
Confidence: High confidence
90% interval: 98.6-99.4
Effective sample size: 1206.8
Sample: 1214 charted serves · weighted 1262
Threshold: 300+ charted serves
Net approach rate
8.6%
Higher values point to a profile that uses the front court as a recurring pressure tool rather than an emergency option.
Adjusted value: 8.6%
Raw value: 8.8%
Baseline: 7.8%
Vs baseline: +0.8 pts
Confidence: High confidence
90% interval: 7.7-9.5
Effective sample size: 2496.5
Sample: 220 net points across 2511 total points · weighted 2610
Threshold: 30+ net points and 600+ total points
Net conversion
70.8%
Higher values point to cleaner front-court execution once the approach or transition decision is made.
Adjusted value: 70.8%
Raw value: 71.8%
Baseline: 68.6%
Vs baseline: +2.2 pts
Confidence: Medium confidence
90% interval: 65.8-75.9
Effective sample size: 218.6
Sample: 220 net points · weighted 230
Threshold: 30+ net points
Break-point resistance
63.5%
Higher values point to a service profile that stays stable when the score tightens.
Adjusted value: 63.5%
Raw value: 65.9%
Baseline: 57.0%
Vs baseline: +6.6 pts
Confidence: Low confidence
90% interval: 56.8-70.3
Effective sample size: 137.2
Sample: 138 break points faced on serve · weighted 143
Threshold: 20+ break points faced on serve
Nearby names
No nearby leaderboard context is available here.
Break-point attack
42.0%
Higher values point to a return profile that leans forward at the moment the service game can swing.
Adjusted value: 42.0%
Raw value: 40.9%
Baseline: 46.8%
Vs baseline: -4.8 pts
Confidence: Low confidence
90% interval: 35.6-48.3
Effective sample size: 163.1
Sample: 164 break points on return · weighted 170
Threshold: 20+ break points on return
Nearby names
No nearby leaderboard context is available here.
Short service points
57.9%
Higher values point to service games that stay short and front-footed. Lower values usually mean a profile that lives in longer points.
Adjusted value: 57.9%
Raw value: 57.6%
Baseline: 58.6%
Vs baseline: -0.7 pts
Confidence: High confidence
90% interval: 55.9-59.9
Effective sample size: 1646.0
Sample: 1655 charted service points · weighted 1695
Threshold: 300+ charted service points
Surface cards only show up when the selected season window has at least 10 charted matches on that surface.
Surface
14 charted hard matches. The surface profile leans most clearly into bp resistance (+6.7 pts vs adjusted baseline), while bp attack is softer (-5.4 pts vs adjusted baseline).
14 charted matches on hard.
Methodology
The methodology page explains thresholds, weighting, uncertainty, reliability grades, and why some players or surfaces disappear when the sample gets too thin.
Private workflow
Tour Radar is the public proof layer. Private work starts when your team brings a live coaching question and sends team footage, tracking exports, or official reports or exports it can share.