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Kristin Ostby

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Palo Alto, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
84 matches · 47W–37L · seasons 2022–2026
Match history84 matches
L
2026-10-11 · GUNN HS CW8.5A · #2 Doubles · 8.5 · with Stephanie Keller
doesn’t count toward your NTRP rating
4-6, 4-6
L
2026-09-13 · GUNN HS CW8.5A · #2 Doubles · 8.5 · with Stephanie King
doesn’t count toward your NTRP rating
6-7, 4-6
W
2026-09-05 · GUNN HS CW8.5A · #2 Doubles · 8.5 · with Celeste Woloshyn
doesn’t count toward your NTRP rating
6-1, 6-1
L
2026-08-30 · GUNN HS CW8.5A · #1 Doubles · 8.5 · with Reid Myers
doesn’t count toward your NTRP rating
2-6, 2-6
L
2026-06-28 · GUNN HS 18AW4.0A · #1 Singles · 4.0 championship
loading the estimate
6-7, 2-6
W
2026-06-13 · GUNN HS 18AW4.0A · #2 Singles · 4.0
loading the estimate
6-3, 4-6, 1-0
W
2026-06-07 · GUNN HS 18AW4.0A · #1 Singles · 4.0
loading the estimate
7-6, 6-3
W
2026-05-31 · GUNN HS 18AW4.0A · #1 Singles · 4.0
loading the estimate
6-2, 6-1
W
2026-05-23 · GUNN HS 18AW4.0A · #1 Singles · 4.0
loading the estimate
4-6, 6-4, 1-0
L
2026-05-10 · GUNN HS 18AW4.0A · #1 Singles · 4.0
loading the estimate
4-6, 5-7
W
2026-03-15 · STANFORD-CRA 40AW4.0A · #1 Singles · 4.0
loading the estimate
6-1, 6-3
W
2026-02-28 · STANFORD-CRA 40AW4.0A · #1 Singles · 4.0
loading the estimate
6-3, 6-2
Where you rank locallyagainst everyone at your level
Teams15 teams · 2022–2026
Over timerating by season, and how you rank
By level4 levels played
4.0
58.5%
38W–27L · 55.1% of games
7.5
50%
4W–4L · 51.9% of games
8.5
28.6%
2W–5L · 47.1% of games
8.0mixed
75%
3W–1L · 59% of games

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

By lineusually #1 Singles, 60% of the time
#1 Singles
60%
50 matches
#1 Doubles
23%
19 matches
#3 Doubles
10%
8 matches
#2 Doubles
7%
6 matches
#2 Singles
1%
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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King