MatchPoint

Player profile

Nikolaas Zuidema’s NorCal tennis rating

Nikolaas Zuidema
USTA 4.0 · NorCal league player
3.56
current
▲ +0.22 this season

Other formats · don’t affect your rating above

Combo 3.72Mixed 3.56
USTA4.00
2026
18 matches
3.643.573.50
Jan · 3.64
Mar · 3.56
Sep 10 · Doubles−0.18
L L. Craney / M. Kowalski
1-6,6-7 · 3D · with Martha Garcia
● 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

18 matches

Published NorCal results in 2026 — 4 scoring, 14 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 10, 2026 · Doubles · 3D · Mixed

Lost 1-6,6-7
−0.18

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Martha Garcia(partner)Currently on JOHNSON RANCH CW6.5A-DT
3.45

Opponents

Lisa CraneyCurrently on RIO DEL ORO CW7.5A-DT
3.33
Matthew KowalskiCurrently on RIO DEL ORO 55MX7.0A
3.50
Mixed rating 3.74 → 3.56Doubles result

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

Sep 6, 2026 · Doubles · 1D · Mixed

Won 6-4,6-1
+0.05

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Kathy Joachim(partner)Currently on RIO DEL ORO 55MX8.0A
3.63

Opponents

Jerry DongCurrently on SUN CITY LINCOLN 55MX8.0A
3.69
Sandy BristowCurrently on SUN CITY LINCOLN 55MX8.0A
3.69
Mixed rating 3.69 → 3.74Doubles result

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

Aug 30, 2026 · Doubles · 1D · Mixed

Lost 7-6,2-6,0-1
−0.02

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Kathleen Chambers(partner)Currently on RIO DEL ORO CW7.5B
3.97

Opponents

Thomas KimCurrently on JOHNSON RANCH 55MX8.0A
4.03
Danielle ReadingCurrently on ROSEVILLE LIFE TIME CW7.5A
4.01
Mixed rating 3.71 → 3.69Doubles result

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

Jul 11, 2026 · Doubles · Combo

Lost 0-6,2-6
−0.14

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.72
Harry Weinberg(partner)Currently on JOHNSON RANCH CM6.5A
3.46

Opponents

Rodney WadeCurrently on BAY CLUB SANTA CLARA CM8.5A
4.01
John ForsterCurrently on BAY CLUB SANTA CLARA CM6.5A
3.52
Combo rating 3.86 → 3.72Doubles result

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

Jul 9, 2026 · Doubles · Mixed

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

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Jennifer Calabrese(partner)Currently on JOHNSON RANCH 40MX7.0A
3.60

Opponents

Amy WilsonCurrently on JOHNSON RANCH CW7.5A-DT
3.43
Andy NguyenCurrently on JOHNSON RANCH CM7.5A-DT
3.38
Mixed rating 3.64 → 3.71Doubles result

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

Jun 28, 2026 · Doubles · Mixed

Won 6-0,6-2
+0.08

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Jennifer Calabrese(partner)Currently on JOHNSON RANCH 40MX7.0A
3.60

Opponents

Scott RuffeCurrently on BROADSTONE RC 40MX7.0B
3.53
Mary WilsonCurrently on BROADSTONE RC CW7.5A-DT
3.09
Mixed rating 3.56 → 3.64Doubles result

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

Jun 20, 2026 · Doubles · Mixed

Won 6-4,6-3
+0.16

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Martha Garcia(partner)Currently on JOHNSON RANCH CW6.5A-DT
3.45

Opponents

Jon DresserCurrently on RIO DEL ORO 40MX8.0A
3.48
Diem LeCurrently on JOHNSON RANCH 40MX8.0A
3.79
Mixed rating 3.40 → 3.56Doubles result

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

May 11, 2026 · Doubles · Combo

Won 6-4,7-6
+0.04

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.72
Harry Weinberg(partner)Currently on JOHNSON RANCH CM6.5A
3.46

Opponents

Bob Morrison
3.40
Robert ReisCurrently on SERRANO CC CM6.5A
3.29
Combo rating 3.82 → 3.86Doubles result

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

Apr 24, 2026 · Doubles · Combo

Won 6-4,6-2
+0.08

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.72
Harry Weinberg(partner)Currently on JOHNSON RANCH CM6.5A
3.46

Opponents

Baldomero LasamCurrently on SHELDON PK CM6.5A
3.65
Russell Manlapig
3.26
Combo rating 3.74 → 3.82Doubles result

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

Apr 4, 2026 · Doubles · Combo

Won 6-4,6-1
+0.02

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.72
Denny Jones(partner)Currently on JOHNSON RANCH 55MX6.0A
3.49

Opponents

Angel Hurtado
3.32
Lance WilliamsCurrently on RIO DEL ORO 55MX7.0A
3.23
Combo rating 3.72 → 3.74Doubles result

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

Mar 23, 2026 · Doubles · Combo

Won 6-2,6-4
+0.08

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.72
Harry Weinberg(partner)Currently on JOHNSON RANCH CM6.5A
3.46

Opponents

Marc HammondsCurrently on ROLLINGWOOD 40MX8.0A
3.62
James BonhamCurrently on GOLD RIVER RC 40MX7.0A
3.41
Combo rating 3.64 → 3.72Doubles result

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

Mar 1, 2026 · Doubles · Mixed

Lost 5-7,7-5,0-1
−0.09

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Martha Garcia(partner)Currently on JOHNSON RANCH CW6.5A-DT
3.45

Opponents

Daria Pietrowski
3.46
Padiyar Guru PrasannaCurrently on ANTELOPE TA/ANTELOPE COMMUNITY PK CM7.5A
3.68
Mixed rating 3.48 → 3.40Doubles result

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

Feb 14, 2026 · Doubles · Mixed

Lost 1-6,3-6
−0.10

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Rebecca Domeier(partner)Currently on JOHNSON RANCH CW6.5A-DT
3.16

Opponents

Vivi ZhangCurrently on JOHNSON RANCH 55MX7.0A
3.56
Greg ChoCurrently on RIO DEL ORO CM7.5A
3.63
Mixed rating 3.58 → 3.48Doubles result

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

Jan 25, 2026 · Doubles · Mixed

Won 6-4,6-4
+0.10

Nikolaas’s side

Nikolaas ZuidemaCurrently on RIO DEL ORO 55MX8.0A
3.56
Martha Garcia(partner)Currently on JOHNSON RANCH CW6.5A-DT
3.45

Opponents

Padiyar Guru PrasannaCurrently on ANTELOPE TA/ANTELOPE COMMUNITY PK CM7.5A
3.68
Laurie WalkerCurrently on ANTELOPE TA/ANTELOPE COMMUNITY PK CW6.5A
2.87
Mixed rating 3.48 → 3.58Doubles result

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

Best match
+0.11
Mar 12 vs M. Montgomery / G. Owyang
Worst match
−0.09
Mar 7 vs J. Presley / S. Desai
Where you started ›3.34
2023 year-end NTRP 3.53.20
Scale calibration+0.14
Season start3.34
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

Nikolaas Zuidema’s MatchPoint NorCal tennis rating is 3.56, 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−0.073.27
Pulled toward the 2025 year-end level−0.113.64

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