A challenge ledger that plots every review by the millimetres between ball and line, drawn against the paint and the ball at true scale, with each player's per-set allowance spent or still in hand.
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I. Halvorsen v R. Amrani · quarter-final · 6-4, 3-6, 7-6(5) · hard
33%3 of 9 reviews overturned
I. Halvorsen2 of 5 overturned · 40%
Set 12 left · 2 taken · 1 keptSet 21 left · 2 takenSet 33 left · 1 taken · 1 kept
R. Amrani1 of 4 overturned · 25%
Set 12 left · 1 takenSet 22 left · 1 takenSet 32 left · 2 taken · 1 kept
outin
−100−50050
margin
Set 1
I. Halvorsen1-1, 30-40 · break pointoverturned
Out 9 mm
R. Amrani3-2, 40-30call stood
In 2 mm
I. Halvorsen5-4, 40-30 · set pointcall stood
Out 31 mm
Set 2
I. Halvorsen0-1, 15-40call stood
Out 4 mm
R. Amrani2-2, deucecall stood
Out 63 mm
I. Halvorsen3-5, 30-40 · set point downcall stood
In 14 mm
Set 3
R. Amrani2-3, 15-30overturned
Out 1 mm
I. Halvorsen5-5, 30-40 · break pointoverturned
In 6 mm
R. Amranitiebreak, 4-5call stood
Out 37 mm
Set 1 · 1-1, 30-40 · break point
Set 1, 1-1, 30-40 · break point. I. Halvorsen reviewed a call of in; the ball was out by 9 mm, so the call was overturned and the challenge was retained — 3 challenges left in Set 1 after it.
painted line · 50 mmball · 67 mmoverturnedcall stood
How close these reviews finished — shares apportioned by largest remainder, so the four bands total exactly 100%.
Margin
Reviews
Share
Overturned
5 mm or lessinside the tracking system's own tolerance
3
34%
1
Over 5 – 25 mmup to half the paint
3
33%
2
Over 25 – 50 mmup to a full line width
2
22%
0
Over 50 mmwider than the painted line itself
1
11%
0
Every review
9
100%
3
Zero is the outer edge of the paint: right of it the ball was over the line and the call is in, left of it it missed by that many millimetres, and touching counts as in. The dashed capsule is the ball at the same scale — 67 mm of it against 50 mm of paint. The closest of these 9 reviews finished out by 1 mm, and 3 of them turned on 5 mm or less — inside the tolerance a certified tracking system is signed off against. A challenge is only spent when the call stands, so I. Halvorsen kept 2 of 5 and R. Amrani kept 1 of 4. Tightest budget: I. Halvorsen left Set 2 holding 1 challenge. Click a review, or Tab into the list and use the arrow keys, to read the call it changed — and, when the call stood, to light the challenge it cost; an overturned review was handed straight back, so it lights no pip.
empty
Line call review
I. Halvorsen v R. Amrani · quarter-final · hard
No reviews to plot
This card needs the millimetres each review put between the ball and the paint — a count of challenges says who spent them, never what they turned on. Both players still hold 3 unsuccessful challenges per set.
Zyeon UI