MatchPoint

Player profile

Tammy Obrien’s NorCal tennis rating

Tammy Obrien
USTA 4.0 · NorCal league player
3.98
current
▲ +0.09 this season

Other formats · don’t affect your rating above

Combo 3.85
USTA4.00
2026
26 matches
3.983.803.62
Jan · 3.91
Jun · 3.98
Sep 16 · Doubles−0.16
L S. Ross / C. Fuchs
4-6,4-6 · 3D · with Kirsten Wilson-trowbridge
● 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

26 matches

Published NorCal results in 2026 — 17 scoring, 9 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 16, 2026 · Doubles · 3D · Combo

Lost 4-6,4-6
−0.16

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Kirsten Wilson-trowbridge(partner)Currently on BROADSTONE RC CW7.5B
3.30

Opponents

Staci RossCurrently on JOHNSON RANCH CW8.5A
3.98
Carli FuchsCurrently on JOHNSON RANCH CW7.5B
3.42
Combo rating 4.00 → 3.85Doubles result

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

Aug 30, 2026 · Doubles · 3D · Combo

Won 5-7,6-0,1-0
+0.07

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jamie Ramsey(partner)Currently on RIO DEL ORO CW7.5B
3.92

Opponents

Karen EdlingCurrently on YUBA CITY RC CW8.5A
3.92
Rose Mary MillerCurrently on YUBA CITY RC CW8.5A
3.58
Combo rating 3.93 → 4.00Doubles result

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

Aug 26, 2026 · Doubles · 2D · Combo

Lost 4-6,2-6
−0.17

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Diem Le(partner)Currently on JOHNSON RANCH 40MX8.0A
3.34

Opponents

Denise KimesCurrently on JOHNSON RANCH 55MX8.0A
3.80
Lori AndersonCurrently on GOLD RIVER RC CW7.5A-DT
3.72
Combo rating 4.10 → 3.93Doubles result

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

Jul 11, 2026 · Doubles · Combo

Won 3-6,6-0,1-0
+0.10

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jennifer Mattos(partner)Currently on GOLD RIVER RC CW8.5C
4.05

Opponents

Lisa CampbellCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.84
Vilma FernandezCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
3.66
Combo rating 4.00 → 4.10Doubles result

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

Jun 11, 2026 · Doubles

Won 6-3,6-3
+0.06

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Julie Blanford(partner)Currently on JOHNSON RANCH CW7.5A-DT
4.03

Opponents

Karen EdlingCurrently on YUBA CITY RC CW8.5A
3.81
Denise KimesCurrently on JOHNSON RANCH 55MX8.0A
3.74
Rating 3.92 → 3.98Doubles result

May 30, 2026 · Doubles

Won 6-3,6-3
+0.10

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Jennifer Mattos(partner)Currently on GOLD RIVER RC CW8.5C
4.04

Opponents

Laura SorgeaCurrently on ROSEVILLE LIFE TIME CW7.5A
3.77
Michelle RileyCurrently on ROSEVILLE LIFE TIME CW7.5A
3.97
Rating 3.79 → 3.89Doubles result

May 16, 2026 · Doubles

Lost 6-7,6-7
−0.10

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Carrie Grip(partner)Currently on BROADSTONE RC CW7.5A
3.93

Opponents

Donna ClarkCurrently on RIO DEL ORO CW8.5A-DT
4.01
Anne SadlerCurrently on RIO DEL ORO CW7.5A
3.93
Rating 3.84 → 3.74Doubles result

May 11, 2026 · Doubles · Combo

Lost 3-6,4-6
−0.10

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Christy Wurster(partner)Currently on JOHNSON RANCH 55MX7.0A
3.78

Opponents

Melissa ColeCurrently on ROLLINGWOOD 55MX8.0A
4.04
Lisa LarsonCurrently on BROADSTONE RC CW7.5B-DT
3.87
Combo rating 4.09 → 4.00Doubles result

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

May 1, 2026 · Doubles · Combo

Lost 2-6,3-6
−0.09

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jamie Ramsey(partner)Currently on RIO DEL ORO CW7.5B
3.92

Opponents

Teri OstlingCurrently on JOHNSON RANCH CW8.5A
4.22
Laura O'boyle
4.15
Combo rating 4.18 → 4.09Doubles result

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

Apr 28, 2026 · Doubles · Combo

Lost 2-6,3-6
−0.25

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jamie Ramsey(partner)Currently on RIO DEL ORO CW7.5B
3.92

Opponents

Loni GhiorsoCurrently on GOLD RIVER RC CW7.5C-DT
3.58
Sharon Pelfrey
3.25
Combo rating 4.43 → 4.18Doubles result

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

Apr 13, 2026 · Doubles · Combo

Lost 6-7,6-2,0-1
−0.16

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jamie Ramsey(partner)Currently on RIO DEL ORO CW7.5B
3.92

Opponents

Michelle KomlenicCurrently on ROLLINGWOOD 55MX8.0A
3.96
Antonia DohertyCurrently on RIO DEL ORO CW7.5A
3.75
Combo rating 4.59 → 4.43Doubles result

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

Apr 4, 2026 · Doubles

Lost 3-6,4-6
−0.09

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Jennifer Mattos(partner)Currently on GOLD RIVER RC CW8.5C
4.04

Opponents

Holly PonCurrently on RIO DEL ORO CW7.5B
4.16
Xuan LiCurrently on RIO DEL ORO 55MX8.0A
4.16
Rating 3.85 → 3.76Doubles result

Mar 24, 2026 · Doubles · Combo

Lost 3-6,6-1,0-1
−0.14

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.85
Jennifer Mattos(partner)Currently on GOLD RIVER RC CW8.5C
4.05

Opponents

Kathleen ChambersCurrently on RIO DEL ORO CW7.5B
4.03
Xuan LiCurrently on RIO DEL ORO 55MX8.0A
3.94
Combo rating 4.74 → 4.59Doubles result

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

Mar 14, 2026 · Doubles

Won 6-3,6-2
+0.05

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Christy Wurster(partner)Currently on JOHNSON RANCH 55MX7.0A
3.70

Opponents

Mary KieferCurrently on RIO DEL ORO CW7.5B
3.50
Pam DavisCurrently on RIO DEL ORO CW7.5B
3.66
Rating 3.81 → 3.85Doubles result

Feb 4, 2026 · Doubles

Won 6-1,6-1
+0.04

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Jennifer Mattos(partner)Currently on GOLD RIVER RC CW8.5C
4.04

Opponents

Lisa LarsonCurrently on BROADSTONE RC CW7.5B-DT
3.48
Linda ShepherdCurrently on GOLD RIVER RC CW7.5C
3.58
Rating 3.81 → 3.85Doubles result

Jan 20, 2026 · Doubles

Won 5-7,6-4,1-0
+0.06

Tammy’s side

Tammy ObrienCurrently on GOLD RIVER RC CW8.5C
3.98
Regina Infelise(partner)Currently on GOLD RIVER RC CW8.5C
4.01

Opponents

Keiko IchimaruCurrently on SUN CITY LINCOLN 55MX8.0A
3.79
Jodi WelchCurrently on GOLD RIVER RC CW7.5A
3.68
Rating 3.62 → 3.68Doubles result
Best match
+0.13
Jan 30 vs C. George / C. Weiler
Worst match
−0.18
Jan 10 vs L. O'boyle / T. Thorson
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

Tammy Obrien’s MatchPoint NorCal tennis rating is 3.98, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 2 active NorCal league teams.

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−0.043.85
Pulled toward the 2025 year-end level−0.053.91

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