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Madison Koester

— year-end
38 matches · 22W–16L · seasons 2022–2027

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Match history38 matches
W
2026-09-12 · BP - Kellogg · #2 Doubles · 3.0 · with Polly Keenan
expectation pending — we’re still fetching an opponent’s record
6-1, 6-2
W
2026-07-29 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
6-2, 7-5
W
2026-07-28 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
6-3, 3-6, 1-0
L
Margaret Campbell / Amanda Gallina
2026-07-23 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
2-6, 0-6
W
Sara Hall / Caroline Gillespie
2026-07-12 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
6-3, 6-2
W
2026-07-09 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
6-1, 6-1
L
2026-06-06 · Kellogg/Koester · #1 Doubles · 3.0 · with Katie Kellogg
expectation pending — we’re still fetching an opponent’s record
4-6, 2-6
W
2026-03-28 · BP - Kellogg · #1 Doubles · 3.0 · with Megan Cavagnini
expectation pending — we’re still fetching an opponent’s record
7-5, 7-5
W
2026-03-21 · BP - Kellogg · #1 Doubles · 3.0 · with Sia Norse
expectation pending — we’re still fetching an opponent’s record
2-6, 6-3, 1-0
L
2026-03-20 · BP - Kellogg · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
4-6, 5-7
W
2026-03-14 · BP - Kellogg · #2 Doubles · 3.0 · with Nikki Wellington
expectation pending — we’re still fetching an opponent’s record
7-5, 6-4
W
2026-03-07 · BP - Kellogg · #1 Doubles · 3.0 · with Marnie Warren
expectation pending — we’re still fetching an opponent’s record
6-3, 6-0
Teams10 teams · 2021–2027
Over timerating by season, and how you rank
By level2 levels played
3.0
62.9%
22W–13L · 54.2% of games
3.5
0W–3L
not enough matches yet

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #1 Doubles, 40% of the time
#1 Doubles
40%
15 matches
#2 Doubles
32%
12 matches
#2 Singles
16%
6 matches
#1 Singles
11%
4 matches
#3 Doubles
3%
1 match

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.

Champions keep playing until they get it right.
Billie Jean King