MatchPoint

Player profile

Shin Koo’s NorCal tennis rating

Shin Koo
USTA 4.5 · NorCal league player
4.04
current
▼ −0.40 this season
86% likely to move down

Other formats · don’t affect your rating above

Combo 3.93Mixed 3.83
USTA4.50
2026
13 matches
4.234.134.04
May · 4.23
May · 4.04
Sep 13 · Doubles−0.04
L T. Krueger / L. Radanovich
1-6,2-6 · 3D · with Rochelle Morris
● 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

13 matches

Published NorCal results in 2026 — 3 scoring, 10 combo or mixed. Combo and mixed don’t affect NTRP ratings.

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
3.93
Rochelle Morris(partner)Currently on PLEASANTON CW8.5B
3.63

Opponents

Traci KruegerCurrently on CROW CANYON CC CW8.5A
4.36
Laurie RadanovichCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0A
4.26
Combo rating 3.98 → 3.93Doubles result

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

Sep 6, 2026 · Doubles · 3D · Combo

Won 6-0,6-2
+0.05

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.93
Donna Himenez(partner)Currently on WALNUT COUNTRY HOA 40MX8.0A
4.13

Opponents

Lee SlomeCurrently on BERKELEY TC CW8.5A
3.65
Kelly GeeCurrently on BERKELEY TC CW8.5A
3.74
Combo rating 3.92 → 3.98Doubles 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

Lost 4-6,3-6
−0.06

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.93
Ning Docena(partner)Currently on PLEASANTON CW8.5B
3.70

Opponents

Joanna Broda-schunckCurrently on BAY TREES PK CW8.5A
4.21
Jill SchepmannCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.10
Combo rating 3.98 → 3.92Doubles result

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

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 WALNUT COUNTRY HOA 40MX7.0A
3.37

Opponents

Heather PaquetteCurrently on ROUND HILL CC CW7.5A
3.32
Vikram KadiCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B
3.97
Mixed rating 4.00 → 3.83Doubles result

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

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
3.66

Opponents

Stanford QuanCurrently on PLEASANTON CM7.5D
3.53
Julie YiCurrently on BAY CLUB PL CW7.5B
3.72
Mixed rating 3.94 → 4.00Doubles result

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

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
3.76

Opponents

Andrew HuangCurrently on SUNNYVALE MTC 40MX7.0F
4.21
Jade YangCurrently on BAY CLUB PL CW7.5B
3.92
Mixed rating 4.02 → 3.94Doubles result

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

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 WALNUT COUNTRY HOA 40MX7.0A
3.37

Opponents

Shawn CopenhagenCurrently on PLEASANTON CW8.5B
3.96
Sam ParkCurrently on PLEASANTON CM7.5F
4.05
Mixed rating 4.13 → 4.02Doubles result

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

May 31, 2026 · Doubles

Lost 2-6,2-6
−0.11

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.04
Tina Sorensen Berman(partner)Currently on PLEASANTON 55MX8.0A
4.16

Opponents

Yuen ChiangCurrently on MARIN CC CW8.5A
4.14
Manasa GaddeCurrently on SAN PABLO PK CW9.5A
4.03
Rating 4.15 → 4.04Doubles result

May 20, 2026 · Doubles

Lost 5-7,4-6
−0.04

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
4.04
Angie Esswein(partner)Currently on SAN PABLO PK CW9.5A
4.38

Opponents

Marina WillsCurrently on WALNUT CREEK RC/Walnut Creek TC 40MX8.0C
4.40
Tiffany LiewCurrently on SAN PABLO PK CW9.5A
4.41
Rating 4.18 → 4.15Doubles result

May 7, 2026 · Doubles

Lost 2-6,1-6
−0.05

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
4.30

Opponents

Chandra ThomasCurrently on WILLOW PASS PK 40MX8.0B
4.67
Angelita VallejoCurrently on PLEASANTON CW8.5C
4.55
Rating 4.23 → 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
4.29

Opponents

Robin ZhouCurrently on CUESTA TC CW9.5A
4.75
Gabriel ChanCurrently on ROLLING HILLS CM8.5A
4.27
Mixed rating 4.15 → 4.13Doubles result

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

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
4.38

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
4.58
Mixed rating 4.18 → 4.15Doubles result

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

Jan 24, 2026 · Doubles · Combo

Lost 3-6,2-6
−0.01

Shin’s side

Shin KooCurrently on RICHMOND TA/NICHOLL PK CW8.5A
3.93
Flor Salinas(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
3.87

Opponents

Yukari SaitoCurrently on SUNNYVALE MTC 40MX8.0C
4.79
Jean ToCurrently on GOLDMAN TC CW8.5A
4.57
Combo rating 3.99 → 3.98Doubles result

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

Best match
−0.04
May 20 vs M. Wills / T. Liew
Worst match
−0.11
May 31 vs Y. Chiang / M. Gadde
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

Shin Koo’s MatchPoint NorCal tennis rating is 4.04, 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+0.154.59
Pulled toward the 2025 year-end level+0.194.23

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