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Sam Ko

Portland, OR
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
148 matches · 66W–82L · seasons 2019–2027

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Match history148 matches
L
2026-09-11 · SAC-Boyce/Wheeler · #1 Doubles · 7.0 · with Joseph Gonzales
expectation pending — we’re still fetching an opponent’s record
2-6, 4-6
L
2026-06-13 · SAC-Boyce/Ko · #1 Doubles · 3.5 · with Shawn Boyce
expectation pending — we’re still fetching an opponent’s record
4-6, 6-7
W
2026-05-08 · SAC-Ko · #3 Doubles · 7.0 · with Grainne Koeberl mixed
doesn’t count toward your NTRP rating
6-4, 6-3
W
2026-04-11 · SAC-Ko · #1 Doubles · 7.0 · with Kim Tellin mixed
doesn’t count toward your NTRP rating
3-6, 6-4, 1-0
L
2026-04-05 · SAC-Boyce/Ko · #2 Doubles · 3.5 · with Joshua Tran
expectation pending — we’re still fetching an opponent’s record
1-6, 3-6
L
2026-04-04 · SAC-Ko · #3 Doubles · 7.0 · with Tamara Patrick mixed
doesn’t count toward your NTRP rating
6-7, 4-6
W
2026-03-27 · SAC-Ko · #3 Doubles · 7.0 · with Grainne Koeberl mixed
doesn’t count toward your NTRP rating
6-1, 4-6, 1-0
L
2026-03-14 · SAC-Boyce/Ko · #3 Doubles · 3.5 · with Asish Das
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
W
2026-01-25 · SAC-Boyce/Ko · #3 Doubles · 3.5 · with Arjun Bilakanti
expectation pending — we’re still fetching an opponent’s record
7-6, 6-1
W
2026-01-11 · SAC-Boyce/Ko · #3 Doubles · 3.5 · with Arjun Bilakanti
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
W
2025-11-30 · SAC-Boyce/Wheeler · #1 Doubles · 7.0 · with Joseph Gonzales
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
L
2025-11-30 · SAC-Ko · #1 Doubles · 7.0 · with Shari Levelle mixed
doesn’t count toward your NTRP rating
1-6, 3-6
Where you rank locallyagainst everyone at your level
Teams90 teams · 2002–2027
Over timerating by season, and how you rank
By level5 levels played
3.5
48.5%
16W–17L · 49.9% of games
4.0
22.2%
4W–14L · 35.6% of games
7.0
60%
3W–2L · 53% of games
7.0mixed
52.1%
25W–23L · 50.6% of games
8.0mixed
39.5%
17W–26L · 47.6% of games

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

By lineusually #3 Doubles, 39% of the time
#3 Doubles
39%
58 matches
#2 Doubles
26%
39 matches
#1 Doubles
24%
35 matches
#1 Singles
7%
11 matches
#2 Singles
3%
5 matches

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.

Experience is a big word. I think it comes with time, and I have that.
Serena Williams