MatchPoint

Player profile

Sabrina Ishimatsu’s NorCal tennis rating

Sabrina Ishimatsu
USTA 4.5 · NorCal league player
4.26
current
▼ −0.18 this season

Other formats · don’t affect your rating above

Combo 3.92Mixed 4.15
USTA4.50
2026
16 matches
4.554.314.06
Jan · 4.45
Jun · 4.26
Sep 10 · Doubles−0.14
L S. Lawrence / P. Birks
6-0,1-6,0-1 · 2D · with Rashmi Munot
● 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

16 matches

Published NorCal results in 2026 — 12 scoring, 4 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 10, 2026 · Doubles · 2D · Combo

Lost 6-0,1-6,0-1
−0.14

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Rashmi Munot(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.91

Opponents

Sophia LawrenceCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
4.07
Patricia BirksCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.70
Combo rating 4.06 → 3.92Doubles result

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

Sep 2, 2026 · Doubles · 2D · Combo

Won 6-2,6-2
+0.08

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Babette Van Antwerpen(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
4.00

Opponents

Dorien AfricaCurrently on BAY CLUB SANTA CLARA CW8.5A
3.51
Tisha WolfCurrently on BAY CLUB SANTA CLARA CW8.5A
4.11
Combo rating 3.98 → 4.06Doubles 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 1-6,2-6
−0.05

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Uzma Makhdumi(partner)Currently on MENLO ATHERTON HS CW8.5A
4.00

Opponents

Ke ZhongCurrently on RINCONADA PK CW8.5A
4.60
Chenchen ZhangCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
4.20
Combo rating 4.03 → 3.98Doubles result

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

May 31, 2026 · Doubles

Lost 1-6,0-6
−0.02

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Hanh Luong(partner)Currently on MENLO ATHERTON HS CW8.5A
3.70

Opponents

Aiko KanaiCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.61
Yuko MiharaCurrently on SUNNYVALE MTC CW8.5D
4.73
Rating 4.08 → 4.06Doubles result

May 20, 2026 · Doubles

Lost 1-6,1-6
−0.08

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Liza Hausman(partner)Currently on UNIVERSITY CLUB PA CW7.5A
3.96

Opponents

Nicole StephensCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.35
Kiyoe HashimotoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.54
Rating 4.16 → 4.08Doubles result

May 2, 2026 · Doubles

Lost 1-6,0-6
−0.03

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Uzma Makhdumi(partner)Currently on MENLO ATHERTON HS CW8.5A
3.95

Opponents

Rina MatsumotoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.53
Katherine WuCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.76
Rating 4.19 → 4.16Doubles result

Mar 8, 2026 · Doubles

Lost 6-7,4-6
−0.16

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Anne Branch(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
4.29

Opponents

Jeannine RobertsCurrently on BAY CLUB SANTA CLARA CW8.5A
4.33
Betty LeeCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.73
Rating 4.34 → 4.19Doubles result

Mar 1, 2026 · Doubles

Lost 4-6,3-6
−0.15

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Ike Bunanta(partner)Currently on SUNNYVALE MTC CW8.5B
4.28

Opponents

Martha MatrisianCurrently on VALLEY VISTA RC/VVRC COURTS CW8.5A
4.27
Suzanne JochnerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
4.36
Rating 4.49 → 4.34Doubles result

Feb 22, 2026 · Doubles

Won 6-2,6-0
+0.02

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Ike Bunanta(partner)Currently on SUNNYVALE MTC CW8.5B
4.28

Opponents

Betty LeeCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.73
Sandra MorizawaCurrently on SUNNYVALE MTC CW8.5D
3.77
Rating 4.34 → 4.36Doubles result

Jan 31, 2026 · Doubles

Lost 2-6,4-6
−0.07

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A
4.19

Opponents

Nicole StephensCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.35
Kiyoe HashimotoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.54
Rating 4.47 → 4.40Doubles result

Jan 25, 2026 · Doubles

Lost 2-6,4-6
−0.08

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Liza Hausman(partner)Currently on UNIVERSITY CLUB PA CW7.5A
3.96

Opponents

Kristine AvilaCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT
4.57
Ellie Victor
4.54
Rating 4.55 → 4.47Doubles result

Jan 24, 2026 · Doubles · Combo

Lost 2-6,3-6
−0.10

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Julie Colwell(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.86

Opponents

Jennifer DoucetteCurrently on MARIN TC CW9.5B
4.36
Anne SullivanCurrently on MARIN TC CW8.5A
4.03
Combo rating 4.13 → 4.03Doubles result

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

Jan 10, 2026 · Doubles

Won 6-2,7-5
+0.10

Sabrina’s side

Sabrina IshimatsuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.26
Anne Branch(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
4.29

Opponents

Liza HausmanCurrently on UNIVERSITY CLUB PA CW7.5A
3.96
Laura FrenchCurrently on UNIVERSITY CLUB PA 55MX9.0A
3.99
Rating 4.45 → 4.55Doubles result
Best match
+0.19
Jun 6 vs M. Deguzman / C. Xiao
Worst match
−0.16
Mar 8 vs J. Roberts / B. Lee
Where you started ›4.44
2023 year-end NTRP 4.54.30
Scale calibration+0.14
Season start4.44
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

Sabrina Ishimatsu’s MatchPoint NorCal tennis rating is 4.26, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 3 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+0.074.51
Pulled toward the 2025 year-end level+0.074.45

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