MatchPoint

Player profile

Sam Ko’s NorCal tennis rating

Sam Ko
USTA 4.0 · NorCal league player
4.11
current
▲ +0.22 this season

Other formats · don’t affect your rating above

Combo 4.14
USTA4.00
2026
10 matches
4.304.123.94
Apr · 4.14
Jul · 4.11
Sep 13 · Doubles−0.25
L T. Horn / R. Garcia
2-6,4-6 · 3D · with Zachary Sandoval
● 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

10 matches

Published NorCal results in 2026 — 9 scoring, 1 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 13, 2026 · Doubles · 3D · Combo

Lost 2-6,4-6
−0.25

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.14
Zachary Sandoval(partner)Currently on GOLDMAN TC CM7.5A
3.55

Opponents

Taylor HornCurrently on SAN CARLOS TC/ARGUELLO PK CM7.5B
3.81
Raul GarciaCurrently on GLTF/SAN FRAN ST U CM7.5A
3.71
Combo rating 4.39 → 4.14Doubles result

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

Jul 12, 2026 · Singles

Lost 4-6,6-4,0-1
+0.05

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

Zun ZhouCurrently on GOLDMAN TC CM8.5A
3.90
Rating 4.06 → 4.11Singles result

Jun 13, 2026 · Singles

Lost 6-7,2-6
−0.04

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

Chandrasekar SankaranarayananCurrently on MISSION HILLS CM8.5A
4.41
Rating 4.10 → 4.06Singles result

Jun 6, 2026 · Singles

Lost 0-6,3-6
−0.02

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

Stephen FlynnCurrently on WALNUT CREEK RC/Walnut Creek TC CM8.5B
4.47
Rating 4.12 → 4.10Singles result

May 24, 2026 · Singles

Won 6-1,6-4
+0.15

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

Mario Gomes FilhoCurrently on GOLDEN GATE TC/GOLDEN GATEWY CM8.5B
3.96
Rating 3.94 → 4.09Singles result

May 16, 2026 · Singles

Lost 6-2,6-7,0-1
−0.20

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

Dave Chau
3.76
Rating 4.14 → 3.94Singles result

May 9, 2026 · Singles

Lost 4-6,6-3,0-1
−0.16

Sam’s side

Sam KoCurrently on GOLDMAN TC CM7.5A
4.11

Opponents

William Du
3.92
Rating 4.30 → 4.14Singles result
Best match
+0.15
May 24 vs Mario Gomes Filho
Worst match
−0.20
May 16 vs Dave Chau
Where you started ›3.89
2023 year-end NTRP 4.03.75
Scale calibration+0.14
Season start3.89
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

Sam Ko’s MatchPoint NorCal tennis rating is 4.11, 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−0.063.83
Pulled toward the 2025 year-end level+0.154.14

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