MatchPoint

Player profile

Kristin Ostby’s NorCal tennis rating

Kristin Ostby
USTA 4.0 · NorCal league player
3.99
current
▲ +0.10 this season

Other formats · don’t affect your rating above

Combo 4.05
USTA4.00
2026
17 matches
4.073.813.55
Jan · 3.55
Jun · 3.99
Sep 13 · Doubles−0.05
L X. Fan / M. Bui
6-7,4-6 · 2D · with Stephanie King
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.

Current season

17 matches

Published NorCal results in 2026 — 14 scoring, 3 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 13, 2026 · Doubles · 2D · Combo

Lost 6-7,4-6
−0.05

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
4.05
Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A
4.25

Opponents

Xuezhen FanCurrently on RINCONADA PK CW8.5A
4.29
Minvi BuiCurrently on RINCONADA PK CW8.5A
4.05
Combo rating 4.10 → 4.05Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Sep 5, 2026 · Doubles · 2D · Combo

Won 6-1,6-1
+0.20

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
4.05
Celeste Woloshyn(partner)Currently on GUNN HS CW8.5A
3.89

Opponents

Wendy ChengCurrently on UNIVERSITY CLUB PA 40MX9.0A
4.27
Yiwen XieCurrently on SUNNYVALE MTC CW8.5C
4.13
Combo rating 3.90 → 4.10Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Aug 30, 2026 · Doubles · 1D · Combo

Lost 2-6,2-6
−0.05

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
4.05
Reid Myers(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.13

Opponents

Shelley MeyerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A
4.15
Leslie Airola-murveitCurrently on SHARON HTS CC CW8.5A
4.57
Combo rating 3.95 → 3.90Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 28, 2026 · Singles

Lost 6-7,2-6
−0.08

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Yuewei WangCurrently on SUNNYVALE MTC CW8.5D
3.95
Rating 4.07 → 3.99Singles result

Jun 13, 2026 · Singles

Won 6-3,4-6,1-0
+0.05

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Baozhang RenCurrently on SUNNYVALE MTC CW7.5B
3.64
Rating 4.02 → 4.07Singles result

Jun 7, 2026 · Singles

Won 7-6,6-3
+0.01

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Amy RouboundCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.37
Rating 4.01 → 4.02Singles result

May 31, 2026 · Singles

Won 6-2,6-1
+0.03

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Christina CragholmCurrently on UNIVERSITY CLUB PA CW7.5A
3.61
Rating 3.98 → 4.01Singles result

May 23, 2026 · Singles

Won 4-6,6-4,1-0
+0.11

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Kelsey PalmerCurrently on GOLDMAN TC CW8.5A
4.07
Rating 3.87 → 3.98Singles result

May 10, 2026 · Singles

Lost 4-6,5-7
−0.10

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Jiayi ShenCurrently on RINCONADA PK CW8.5A
4.22
Rating 3.98 → 3.87Singles result

Mar 15, 2026 · Singles

Won 6-1,6-3
+0.04

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Yen LeCurrently on FREMONT HILLS CC CW7.5A
3.64
Rating 3.93 → 3.98Singles result

Feb 28, 2026 · Singles

Won 6-3,6-2
+0.02

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Donna Eaton
3.45
Rating 3.91 → 3.93Singles result

Feb 21, 2026 · Doubles

Lost 1-6,6-7
−0.11

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99
Sofia Yoshimoto(partner)Currently on RINCONADA PK CW8.5A
4.06

Opponents

Michele LindzyCurrently on SUNNYVALE TC/SUNNYVALE MTC 40MX8.0B
4.11
Christine ChoyeCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.08
Rating 4.02 → 3.91Doubles result

Feb 14, 2026 · Singles

Won 6-2,6-2
+0.10

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Trina GliddenCurrently on GLTF/SAN FRAN ST U CW7.5A
3.76
Rating 3.92 → 4.02Singles result

Jan 31, 2026 · Singles

Won 6-1,6-4
+0.01

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Melissa Weiss
3.39
Rating 3.81 → 3.83Singles result

Jan 24, 2026 · Doubles

Won 6-0,7-5
+0.14

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99
Sofia Yoshimoto(partner)Currently on RINCONADA PK CW8.5A
4.06

Opponents

Shani PodellCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Sarah TomitaCurrently on MENLO ATHERTON HS CW8.5A
4.04
Rating 3.67 → 3.81Doubles result

Jan 11, 2026 · Singles

Won 6-4,4-6,1-0
+0.12

Kristin’s side

Kristin OstbyCurrently on GUNN HS CW8.5A
3.99

Opponents

Margo Dhaliwal
3.94
Rating 3.55 → 3.67Singles result
Best match
+0.14
Jan 24 vs S. Podell / S. Tomita
Worst match
−0.11
Feb 21 vs M. Lindzy / C. Choye
Where you started ›3.89
2023 year-end NTRP 4.03.75
Scale calibration+0.14
Season start3.89
Your starting point comes from your official year-end NTRP, not from any third-party rating. The calibration is a fixed shift that puts our scale on the same level as NTRP.
▲
Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.
Updated Sep 20

Kristin Ostby’s MatchPoint NorCal tennis rating is 3.99, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on GUNN HS CW8.5A.

MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.

Year-end re-anchoring
Pulled toward the 2024 year-end level−0.053.84
Pulled toward the 2025 year-end level−0.013.55

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