MatchPoint

Player profile

Shin Koo: estimated dynamic rating

Shin Koo
USTA4.5
NorCal league player
4.04
Estimated dynamic rating
▼ −0.40 this season
86% likely to move down
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Combo · 2026
7 matches
4.103.963.81
Jan · 4.10
Oct · 3.81
Oct 25 · Doubles−0.01
L T. Liew / S. Yee
1-6,2-6 · 3D · with Debbie Soleta
Your combo rating, from combo matches only. It doesn’t move your 4.04.● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.

Current season

16 matches

Published NorCal results in 2026 — 3 scoring, 13 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 25, 2026 · Doubles · 3D · Combo

Lost 1-6,2-6
−0.01

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Debbie Soleta(partner)Currently on WILLOW PASS PK CW7.5A
3.67

Opponents

Tiffany LiewCurrently on SAN PABLO PK CW9.5A
4.60
Stephanie YeeCurrently on MERVYN MORRIS PK 55MX8.0A
4.36
Combo rating 3.83 → 3.81Doubles result

Oct 11, 2026 · Doubles · 3D · Combo

Lost 4-6,4-6
−0.13

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Camille Servan-Schreiber(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
3.92

Opponents

Melissa AbadiaCurrently on MONTE VISTA HS CW7.5A
3.52
Angie EssweinCurrently on SAN PABLO PK CW9.5A
4.19
Combo rating 3.96 → 3.83Doubles result

Oct 4, 2026 · Doubles · 1D · Combo

Lost 1-6,6-4,0-1
−0.09

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Babe Franey(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
3.90

Opponents

Gina ChenCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.74
Jill SchepmannCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.22
Combo rating 4.05 → 3.96Doubles result

Sep 13, 2026 · Doubles · 3D · Combo

Lost 1-6,2-6
−0.04

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Rochelle Morris(partner)Currently on PLEASANTON CW8.5B
3.62

Opponents

Traci KruegerCurrently on CROW CANYON CC CW8.5A
4.24
Laurie RadanovichCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0A
4.13
Combo rating 4.09 → 4.05Doubles result

Sep 6, 2026 · Doubles · 3D · Combo

Won 6-0,6-2
+0.08

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Donna Himenez(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
4.16

Opponents

Lee SlomeCurrently on BERKELEY TC CW8.5A
3.65
Kelly GeeCurrently on BERKELEY TC CW8.5A
3.71
Combo rating 4.01 → 4.09Doubles result

Aug 30, 2026 · Doubles · 3D · Combo

Lost 4-6,3-6
−0.08

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Ning Docena(partner)Currently on PLEASANTON CW8.5B
3.63

Opponents

Joanna Broda-SchunckCurrently on BAY TREES PK CW8.5A
4.04
Jill SchepmannCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.22
Combo rating 4.09 → 4.01Doubles result

Aug 2, 2026 · Doubles · Mixed

Lost 1-6,1-6
−0.17

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
Rama Erigindindla(partner)Currently on PLEASANTON CM7.5B
3.38

Opponents

Heather PaquetteCurrently on ROUND HILL CC CW7.5A
3.29
Vikram KadiCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B
3.98
Mixed rating 4.01 → 3.83Doubles result

Jul 10, 2026 · Doubles · Mixed

Won 3-6,6-3,1-0
+0.06

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
John Rhee(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM7.5D
3.69

Opponents

Stanford QuanCurrently on PLEASANTON CM7.5D
3.53
Julie Yi
3.71
Mixed rating 3.94 → 4.01Doubles result

Jun 19, 2026 · Doubles · Mixed

Lost 3-6,3-6
−0.08

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
Kevin Kyono(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM7.5D
3.78

Opponents

Andrew HuangCurrently on RINCONADA PK CM7.5A
4.21
Jade YangCurrently on BAY CLUB PL CW7.5B
3.89
Mixed rating 4.02 → 3.94Doubles result

Jun 14, 2026 · Doubles · Mixed

Lost 1-6,2-6
−0.11

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
Rama Erigindindla(partner)Currently on PLEASANTON CM7.5B
3.38

Opponents

Shawn CopenhagenCurrently on PLEASANTON CW8.5B
3.97
Sam ParkCurrently on PLEASANTON CM7.5F
4.05
Mixed rating 4.14 → 4.02Doubles result

May 31, 2026 · Doubles

Lost 2-6,2-6
−0.10

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.04
Tina Sorensen Berman(partner)Currently on CHABOT CANYON CW8.5A
4.17

Opponents

Yuen ChiangCurrently on MARIN CC CW8.5A
4.13
Manasa GaddeCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.11
Rating 4.14 → 4.04Doubles result

May 20, 2026 · Doubles

Lost 5-7,4-6
−0.03

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.04
Angie Esswein(partner)Currently on SAN PABLO PK CW9.5A
4.39

Opponents

Marina Wills
4.42
Tiffany LiewCurrently on SAN PABLO PK CW9.5A
4.42
Rating 4.18 → 4.14Doubles result

May 7, 2026 · Doubles

Lost 2-6,1-6
−0.04

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.04
Kathryn Aguilar(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX9.0A
4.31

Opponents

Chandra ThomasCurrently on WALNUT CREEK RC/Walnut Creek TC CW9.5A
4.71
Angelita VallejoCurrently on PLEASANTON CW8.5C
4.57
Rating 4.22 → 4.18Doubles result

Feb 1, 2026 · Doubles · Mixed

Lost 0-6,2-6
−0.02

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
Vijay Sundaresan(partner)Currently on HARBOR BAY CM9.5A
4.30

Opponents

Robin ZhouCurrently on CUESTA TC CW9.5A
4.76
Gabriel ChanCurrently on ROLLING HILLS CM8.5A
4.29
Mixed rating 4.16 → 4.14Doubles result

Jan 27, 2026 · Doubles · Mixed

Lost 6-3,1-6,0-1
−0.03

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.83
Debashis Panda(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM8.5B
4.36

Opponents

Brian R WillsCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A
4.11
Sarah StewartCurrently on WALNUT CREEK RC/Walnut Creek TC CW9.5A
4.59
Mixed rating 4.19 → 4.16Doubles result

Jan 24, 2026 · Doubles · Combo

Lost 3-6,2-6
−0.01

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.81
Flor Salinas(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
3.87

Opponents

Yukari Saito
4.80
Jean ToCurrently on GOLDMAN TC CW8.5A
4.53
Combo rating 4.10 → 4.09Doubles result

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

Best match
+0.08
Sep 6 vs L. Slome / K. Gee
Worst match
−0.13
Oct 11 vs M. Abadia / A. Esswein
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level+0.154.59
Pulled toward the 2025 year-end level+0.194.22

More about Shin

Shin Koo has been a USTA NorCal 4.5 since 2023, after starting at 3.5 in 2016. The estimated dynamic rating is 4.04, down 0.40 this season, with a 2–14 record in 2026 across regular, combo and mixed play. Most frequent partner: Nancy Wilson, 1–4 in 5 matches together.

Record

2–14
2026 season, 16 matches
13–29
2025 season, 42 matches
3
Longest winning streak
7–7
Matches that went to a third set or match tiebreak

Partners

Best wins

Against the highest-rated opponents by year-end NTRP, this season and last.

Year-end NTRP, 2016–2026

3.5 from 2016 to 2017, 4.0 from 2018 to 2022 and 4.5 from 2023 to 2026.

MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.

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