MatchPoint

Player profile

Colby Matthiasson’s NorCal tennis rating

Colby Matthiasson
USTA 4.0 · NorCal league player
3.77
current
−0.12 this season

Other formats · don’t affect your rating above

Combo 3.53Mixed 3.77
USTA4.00
2026
14 matches
3.963.763.57
Apr · 3.96
Jun · 3.77
Sep 13 · Doubles−0.10
L S. Gold / L. Latimer
1-6,7-6,0-1 · 1D · with Janet Shen
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

14 matches

Published NorCal results in 20266 scoring, 8 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 13, 2026 · Doubles · 1D · Combo

Lost 1-6,7-6,0-1
−0.10

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.53
Janet Shen(partner)Currently on GOLDEN GATEWY CW7.5A
3.46

Opponents

Silvana GoldCurrently on GOLDEN GATEWY CW7.5B
3.97
Leilani LatimerCurrently on GOLDEN GATEWY CW7.5B
3.39
Combo rating 3.633.53Doubles 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 1-6,1-6
−0.03

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.53
Sophia Kokores(partner)Currently on GOLDEN GATEWY CW7.5A
3.63

Opponents

Alexis CalimerisCurrently on GOLDMAN TC CW7.5A
3.75
Tamara YorkCurrently on ROLLING HILLS CW7.5A-DT
4.03
Combo rating 3.663.63Doubles result

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

Jun 14, 2026 · Doubles

Lost 0-6,2-6
−0.01

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Stephanie Shi(partner)Currently on GOLDEN GATEWY CW7.5A
3.80

Opponents

Amy JiangCurrently on GLTF/SAN FRAN ST U CW8.5A
4.23
Yukari SaitoCurrently on SUNNYVALE MTC 40MX8.0C
4.54
Rating 3.783.77Doubles result

May 17, 2026 · Doubles

Won 6-0,6-1
+0.06

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Fonda Hu(partner)Currently on GOLDEN GATEWY CW8.5A
4.35

Opponents

Zoyah ShahCurrently on BAY CLUB COURTSIDE CW7.5B-DT
3.59
Jenny LeCurrently on BAY CLUB SF TENNIS CW6.5B
2.96
Rating 3.573.63Doubles result

Mar 6, 2026 · Doubles · Mixed

Lost 2-6,2-6
−0.01

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Tanmay Gautam(partner)Currently on GOLDEN GATEWY CM8.5A
3.56

Opponents

Amy JiangCurrently on GLTF/SAN FRAN ST U CW8.5A
4.42
John HsuCurrently on LOWELL HS CM8.5A
4.42
Mixed rating 3.783.77Doubles result

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

Feb 27, 2026 · Doubles · Mixed

Lost 2-6,6-3,0-1
−0.06

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Daniel Malis(partner)Currently on GOLDEN GATEWY CM8.5A
3.68

Opponents

Jess SterrettCurrently on ROLLING HILLS CW7.5A
3.99
Nat StorerCurrently on BAY CLUB SF TENNIS CM8.5B
4.02
Mixed rating 3.843.78Doubles result

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

Feb 21, 2026 · Doubles · Mixed

Won 1-6,6-4,1-0
+0.12

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Rohan Jacob-rao(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5C
3.76
Mixed rating 3.723.84Doubles result

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

Feb 4, 2026 · Doubles · Mixed

Lost 5-7,1-6
−0.08

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Carlos Del Rio(partner)Currently on GOLDEN GATEWY CM8.5A
3.88

Opponents

Maddie ThomasCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.05
David LawCurrently on OLYMPIC CM9.5A
3.92
Mixed rating 3.803.72Doubles result

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

Jan 24, 2026 · Doubles · Mixed

Won 6-2,2-6,1-0
+0.09

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77

Opponents

Andrew LuongCurrently on GOLDEN GATEWY CM8.5A
3.88
Sally LeCurrently on BAY CLUB SF TENNIS CW7.5A
3.52
Mixed rating 3.723.80Doubles result

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

Jan 13, 2026 · Doubles · Mixed

Lost 1-6,3-6
−0.04

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.77
Tanmay Gautam(partner)Currently on GOLDEN GATEWY CM8.5A
3.56

Opponents

Anh DuongCurrently on GLTF/SAN FRAN ST U CW7.5B
3.22
Kevin YehCurrently on LOWELL HS CM9.5A
4.68
Mixed rating 3.753.72Doubles result

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

Best match
+0.16
May 20 vs H. Gao / E. Mcclanahan
Worst match
−0.16
May 2 vs K. Lao / B. Villegas
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

Colby Matthiasson’s MatchPoint NorCal tennis rating is 3.77, 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+0.043.93
Pulled toward the 2025 year-end level+0.033.96

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