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Player profile

Colby Matthiasson: estimated dynamic rating

Colby Matthiasson
USTA4.0
Golden Gatewy
3.78
Estimated dynamic rating
▼ −0.11 this season
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Combo · 2026
9 matches
3.603.393.19
Aug · 3.60
Oct · 3.57
Oct 21 · Doubles+0.13
W C. Kelley / C. Johnson
6-3,6-7,1-0 · 1D · with Karen Toledo
Your combo rating, from combo matches only. It doesn’t move your 3.78.● 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

21 matches

Published NorCal results in 2026 — 6 scoring, 15 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 3, 2026 · Doubles · 1D · Combo

Lost 6-4,4-6,0-1
−0.12

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.57
Meghana Bharadwaj(partner)Currently on GOLDEN GATEWY CW7.5A
3.46

Opponents

Laura BaileyCurrently on PACIFICA TC/SKYLINE COLLEGE CW7.5A
3.56
Aimee ArostCurrently on PACIFICA TC/SKYLINE COLLEGE CW7.5A
3.26
Combo rating 3.31 → 3.19Doubles result

Oct 3, 2026 · Doubles · 2D · Combo

Lost 1-6,0-6
−0.00

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.57
Soumi Gupta(partner)Currently on RICHMOND TA/NICHOLL PK CW8.5A
4.26

Opponents

Irene OttenCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT
4.34
Claire LouieCurrently on GOLDMAN TC CW8.5A
4.41
Combo rating 3.19 → 3.19Doubles result

Sep 26, 2026 · Doubles · 1D · Combo

Lost 4-6,7-5,0-1
−0.05

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.57
Karen Toledo(partner)Currently on GOLDEN GATEWY CW7.5A
3.61

Opponents

Gina TsuiCurrently on GOLDMAN TC CW8.5B
4.15
Anh DuongCurrently on GLTF/SAN FRAN ST U CW7.5B
3.30
Combo rating 3.43 → 3.38Doubles result

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
3.57
Janet Shen(partner)Currently on GOLDEN GATEWY CW7.5A
3.39

Opponents

Silvana GoldCurrently on GOLDEN GATEWY CW7.5B
4.06
Leilani LatimerCurrently on GOLDEN GATEWY CW7.5B
3.48
Combo rating 3.53 → 3.43Doubles result

Aug 30, 2026 · Doubles · 1D · Combo

Lost 1-6,1-6
−0.07

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.57
Sophia Kokores(partner)Currently on GOLDEN GATEWY CW7.5A
3.60

Opponents

Alexis CalimerisCurrently on GOLDMAN TC CW7.5A
3.62
Tamara YorkCurrently on ROLLING HILLS CW7.5A-DT
3.91
Combo rating 3.60 → 3.53Doubles result

May 17, 2026 · Doubles

Won 6-0,6-1
+0.06

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.78
Fonda Hu(partner)Currently on GOLDEN GATEWY CW8.5A
4.35

Opponents

Zoyah ShahCurrently on BAY CLUB COURTSIDE CW7.5B-DT
3.60
Jenny LeCurrently on BAY CLUB SF TENNIS CW6.5B
2.92
Rating 3.60 → 3.66Doubles result

Mar 6, 2026 · Doubles · Mixed

Lost 2-6,2-6
−0.01

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.76
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
4.45
Mixed rating 3.77 → 3.76Doubles result

Feb 27, 2026 · Doubles · Mixed

Lost 2-6,6-3,0-1
−0.05

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.76
Daniel Malis(partner)Currently on GOLDEN GATEWY CM8.5A
3.67

Opponents

Jess SterrettCurrently on ROLLING HILLS CW7.5A
4.00
Nat StorerCurrently on BAY CLUB SF TENNIS CM8.5B
4.04
Mixed rating 3.83 → 3.77Doubles result

Feb 4, 2026 · Doubles · Mixed

Lost 5-7,1-6
−0.08

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.76
Carlos Del Rio(partner)Currently on GOLDEN GATEWY CM8.5A
3.90

Opponents

Maddie ThomasCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.05
David LawCurrently on OLYMPIC CM9.5A
3.93
Mixed rating 3.78 → 3.70Doubles result

Jan 24, 2026 · Doubles · Mixed

Won 6-2,2-6,1-0
+0.07

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.76
Les Wong(partner)
3.73

Opponents

Andrew LuongCurrently on GOLDEN GATEWY CM8.5A
3.68
Sally LeCurrently on BAY CLUB SF TENNIS CW7.5A
3.29
Mixed rating 3.71 → 3.78Doubles result

Jan 13, 2026 · Doubles · Mixed

Lost 1-6,3-6
−0.03

Colby’s side

Colby MatthiassonCurrently on GOLDEN GATEWY CW8.5A
3.76
Tanmay Gautam(partner)Currently on GOLDEN GATEWY CM8.5A
3.56

Opponents

Anh DuongCurrently on GLTF/SAN FRAN ST U CW7.5B
3.35
Kevin YehCurrently on LOWELL HS CM9.5A
4.69
Mixed rating 3.75 → 3.71Doubles result

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

Best match
+0.16
Oct 19 vs C. Krabbenschmidt / V. Pietrasz
Worst match
−0.12
Oct 3 vs L. Bailey / A. Arost
▲
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+0.033.92
Pulled toward the 2025 year-end level+0.033.96

More about Colby

Colby Matthiasson has been a USTA NorCal 4.0 since 2026. The estimated dynamic rating is 3.78, down 0.11 this season, with a 7–14 record in 2026 across regular, combo and mixed play. Most frequent partner: Karen Toledo, 1–1 in 2 matches together.

Record

7–14
2026 season, 21 matches
1–5
2025 season, 6 matches
3
Longest winning streak
5–4
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, 2026

4.0 in 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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