MatchPoint

Player profile

Eri Koike’s NorCal tennis rating

Eri Koike
USTA 4.5 · NorCal league player
4.41
current
▼ −0.03 this season

Other formats · don’t affect your rating above

Combo 4.57
USTA4.50
2026
11 matches
4.494.424.35
Jan · 4.48
Jun · 4.41
Sep 14 · Doubles+0.09
W K. Wu / D. Bernardo
6-3,6-7,1-0 · 1D · with Lisa Steinback
● 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

11 matches

Published NorCal results in 2026 — 6 scoring, 5 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 14, 2026 · Doubles · 1D · Combo

Won 6-3,6-7,1-0
+0.09

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.57
Lisa Steinback(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.65

Opponents

Katherine WuCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A
4.72
Donella BernardoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT
4.27
Combo rating 4.48 → 4.57Doubles result

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

Aug 29, 2026 · Doubles · 2D · Combo

Won 6-4,6-1
+0.04

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.57
Helen Lam(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.45

Opponents

Rashmi MunotCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.91
Katie McdonoughCurrently on SUNNYVALE MTC CW8.5D
4.30
Combo rating 4.44 → 4.48Doubles result

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

Aug 27, 2026 · Doubles · 2D · Combo

Won 6-0,6-2
+0.03

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.57
Lisa Steinback(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.65

Opponents

Kelly UyemaCurrently on SUNNYVALE MTC CW8.5D
4.09
Deana DyalCurrently on SEASCAPE SC 55MX9.0A
4.04
Combo rating 4.40 → 4.44Doubles result

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

Jun 1, 2026 · Doubles

Won 7-6,6-3
+0.02

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41
Kanako Kirihata(partner)
3.68

Opponents

Chenchen ZhangCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.84
Jessie DaiCurrently on UNIVERSITY CLUB PA CW7.5A
3.69
Rating 4.39 → 4.41Doubles result

May 18, 2026 · Doubles

Won 7-6,6-4
+0.03

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41
Kanako Kirihata(partner)
3.68

Opponents

Christy MaCurrently on UNIVERSITY CLUB PA 40MX9.0A
3.97
Lan WuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.87
Rating 4.37 → 4.39Doubles result

May 15, 2026 · Doubles

Won 6-2,7-5
+0.01

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41
Eleni Baxter(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.74

Opponents

Masami MatsuuraCurrently on SUNNYVALE MTC CW7.5D-DT
3.70
Rachel Okazaki
3.70
Rating 4.36 → 4.37Doubles result

Jan 25, 2026 · Doubles · Combo

Won 6-7,5-4 RE
+0.10

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.57
Noriko Osawa(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.36

Opponents

Mckenzie HelvickCurrently on JOHNSON RANCH CW8.5A-DT
4.41
Marleen Ten BrinkCurrently on JOHNSON RANCH CW8.5A
4.41
Combo rating 4.31 → 4.40Doubles result

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

Jan 23, 2026 · Doubles · Combo

Won 2-6,6-3,1-0
+0.04

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.57
Noriko Osawa(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.36

Opponents

Shan WangCurrently on SUNNYVALE MTC CW8.5E
4.14
Xinyi Ren
4.28
Combo rating 4.27 → 4.31Doubles result

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

Jan 21, 2026 · Singles

Won 6-0,6-1
+0.01

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41

Opponents

Penelope PogueCurrently on LOS GATOS SR CW7.5B
3.81
Rating 4.35 → 4.36Singles result

Jan 17, 2026 · Doubles

Lost 3-6,4-6
−0.14

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41
Noriko Osawa(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.49

Opponents

Michelle McdermottCurrently on PLEASANTON 55MX9.0A
4.30
Laura NordenCurrently on PLEASANTON 55MX9.0A
4.36
Rating 4.49 → 4.35Doubles result

Jan 12, 2026 · Doubles

Won 6-2,6-3
+0.01

Eri’s side

Eri KoikeCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.41
Kanako Kirihata(partner)
3.68

Opponents

Cindy JeungCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.47
Kimberly MotznyCurrently on LOS GATOS SR S70W8.0A
3.62
Rating 4.48 → 4.49Doubles result
Best match
+0.03
May 18 vs C. Ma / L. Wu
Worst match
−0.14
Jan 17 vs M. Mcdermott / L. Norden
▲
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

Eri Koike’s MatchPoint NorCal tennis rating is 4.41, 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+0.014.45
Pulled toward the 2025 year-end level+0.004.48

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