MatchPoint

Player profile

Matthew Core’s NorCal tennis rating

Matthew Core
USTA 3.5 · NorCal league player
3.82
current
▲ +0.48 this season
90% likely to move up

Other formats · don’t affect your rating above

Combo 3.71Mixed 3.99
USTA3.50
2026
52 matches
4.153.593.02
Jan · 3.02
Jun · 3.82
Sep 15 · Doubles+0.13
W S. Crump / J. Camp
6-2,6-2 · 1D · with Michael Lustenberger
● 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

52 matches

Published NorCal results in 2026 — 36 scoring, 16 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 15, 2026 · Doubles · 1D · Combo

Won 6-2,6-2
+0.13

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.71
Michael Lustenberger(partner)Currently on MARIN TC CM8.5A
4.12

Opponents

Stephen CrumpCurrently on MT TAM RC CM7.5A
3.33
Jason CampCurrently on RAFAEL RC 55MX8.0A
3.90
Combo rating 3.58 → 3.71Doubles result

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

Sep 2, 2026 · Doubles · 2D · Combo

Lost 3-6,4-6
−0.05

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.71
Jeffrey Kent(partner)Currently on MARIN TC CM7.5A
3.66

Opponents

Thomas ChungCurrently on FLYTE RC CM8.5A
4.06
Jacob WelchCurrently on BELVEDERE TC CM7.5A
3.48
Combo rating 3.63 → 3.58Doubles 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

Won 7-5,6-4
+0.05

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.71
Robert Ahearn(partner)Currently on MARIN TC CM8.5A
4.05

Opponents

Curtis CrawfordCurrently on ROLLING HILLS CM7.5A
3.33
Jason GoodrickCurrently on ROLLING HILLS CM7.5A
3.35
Combo rating 3.57 → 3.63Doubles result

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

Aug 27, 2026 · Doubles · 2D · Mixed

Lost 4-6,6-4,0-1
−0.11

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Elizabeth Shalev(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.25

Opponents

Jeri ObertCurrently on ROLLING HILLS CW7.5A
3.71
Peter MagriniCurrently on ROLLING HILLS 40MX8.0A
4.23
Mixed rating 4.10 → 3.99Doubles result

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

Aug 22, 2026 · Doubles · 2D · Mixed

Lost 4-6,2-6
−0.24

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Karen Loebbaka(partner)Currently on MARIN TC CW7.5A
3.64

Opponents

Jennie RobinCurrently on SCOTT VALLEY CW7.5A-DT
3.81
Jerry LabayCurrently on SCOTT VALLEY CM7.5A
3.58
Mixed rating 4.34 → 4.10Doubles result

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

Aug 20, 2026 · Doubles · 2D · Mixed

Won 4-6,7-5,1-0
+0.07

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Kimberly Borah-schulist(partner)Currently on MARIN TC CW9.5A
4.42

Opponents

Stewart ClarkCurrently on RAFAEL RC CM7.5A
3.46
Alison St SureCurrently on RAFAEL RC CW8.5A
4.18
Mixed rating 4.27 → 4.34Doubles result

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

Aug 14, 2026 · Doubles · Mixed

Won 4-6,6-1,1-0
+0.04

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Amy Ourso(partner)Currently on MARIN TC CW9.5B
4.19

Opponents

Ara HamamjianCurrently on MARIN TC CM7.5B
3.76
Martina HamamjianCurrently on MARIN TC CW8.5A
3.80
Mixed rating 4.23 → 4.27Doubles result

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

Aug 8, 2026 · Doubles · Mixed

Won 6-3,6-3
+0.12

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Kimberly Borah-schulist(partner)Currently on MARIN TC CW9.5A
4.42

Opponents

Elizabeth WhippleCurrently on HARBOR PT 40MX9.0A
3.92
Ben PortnoyCurrently on FLYTE RC CM8.5A
3.98
Mixed rating 4.11 → 4.23Doubles result

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

Jul 26, 2026 · Doubles · Mixed

Won 6-2,6-2
+0.10

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Elizabeth Shalev(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.25

Opponents

Josh JaffeCurrently on HARBOR PT 40MX8.0A
3.93
Freda O'brienCurrently on HARBOR PT 55MX8.0A
3.89
Mixed rating 4.01 → 4.11Doubles result

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

Jul 25, 2026 · Doubles · Mixed

Won 7-5,6-7,1-0
+0.03

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Molie Malone(partner)Currently on MARIN TC CW7.5A
3.47

Opponents

Lauren LevyCurrently on ROLLING HILLS CW6.5A
3.08
Ian ScottCurrently on ROLLING HILLS CM7.5A
3.72
Mixed rating 3.97 → 4.01Doubles result

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

Jun 24, 2026 · Doubles · Mixed

Won 6-3,6-1
+0.09

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Elizabeth Shalev(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
4.25

Opponents

Amy BenzCurrently on MT TAM RC 40MX8.0A
3.88
Jason CampCurrently on RAFAEL RC 55MX8.0A
3.68
Mixed rating 3.88 → 3.97Doubles 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 6-1,6-3
+0.02

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Courtney Macomber(partner)Currently on MARIN TC 40MX8.0B
3.62

Opponents

Mark BrennanCurrently on MT TAM RC CM7.5A
3.35
Nina TrowbridgeCurrently on MT TAM RC CW7.5A
3.43
Mixed rating 3.86 → 3.88Doubles result

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

Jun 14, 2026 · Doubles · Mixed

Won 6-4,6-2
+0.02

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Margo Holt(partner)Currently on MARIN TC CW7.5A
3.43

Opponents

Stacy AchuckCurrently on TIBURON PEN C 40MX8.0A
3.42
John ParsonsCurrently on TIBURON PEN C 40MX7.0A
3.28
Mixed rating 3.84 → 3.86Doubles result

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

Jun 11, 2026 · Doubles

Won 6-3,7-6
+0.01

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82
David Shepard(partner)Currently on MARIN TC CM7.5A
3.39

Opponents

Patrick WongCurrently on WALNUT CREEK RC/Walnut Creek TC CM6.5B
3.16
Noah DehlingerCurrently on ROLLING HILLS 40MX7.0A
3.21
Rating 3.99 → 4.00Doubles result

Jun 10, 2026 · Doubles · Mixed

Won 6-2,6-4
+0.09

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Kelly Sperry(partner)Currently on MARIN TC CW9.5B
4.43

Opponents

Rachel AspatoreCurrently on SCOTT VALLEY CW8.5A
3.68
Scott DaltonCurrently on MILL VALLEY CM8.5A
3.70
Mixed rating 3.75 → 3.84Doubles result

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

May 21, 2026 · Doubles

Won 6-4,6-4
+0.07

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82
Mike Maunz(partner)Currently on MARIN TC CM7.5A
3.61

Opponents

Marc CampbellCurrently on ROLLING HILLS CM7.5A
3.55
Patrick RimbaudCurrently on ROLLING HILLS CM7.5A
3.65
Rating 3.89 → 3.97Doubles result

May 2, 2026 · Doubles

Won 6-2,6-2
+0.02

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82
Matt Dveirin(partner)Currently on GOLDEN GATEWY 40MX7.0A
3.36

Opponents

Madhur DayalCurrently on RAFAEL RC CM7.5A
3.25
Ted HaydenCurrently on RAFAEL RC 55MX7.0B
3.43
Rating 3.94 → 3.96Doubles result

Apr 25, 2026 · Singles

Lost 3-6,6-7
−0.10

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82

Opponents

Amit Rajparia
4.03
Rating 3.90 → 3.80Singles result

Mar 7, 2026 · Doubles · Mixed

Won 6-2,6-3
+0.01

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Molie Malone(partner)Currently on MARIN TC CW7.5A
3.47

Opponents

Betsy GozziCurrently on BAY CLUB ROSS VALLEY CW6.5A-DT
3.09
Calvin SchneiterCurrently on BAY CLUB ROSS VALLEY 40MX7.0A
3.35
Mixed rating 3.74 → 3.75Doubles result

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

Jan 31, 2026 · Doubles

Won 6-1,7-6
+0.08

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82
Igor Scherba(partner)Currently on MARIN TC 55MX8.0B
3.65

Opponents

Mark BritschgiCurrently on ROLLING HILLS CM7.5A
3.68
Mark LatimerCurrently on ROLLING HILLS CM7.5A
3.31
Rating 3.29 → 3.38Doubles result

Jan 21, 2026 · Singles

Won 4-6,6-2,1-0
+0.18

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.82

Opponents

Tripp SmithCurrently on RAFAEL RC CM8.5A
3.91
Rating 3.07 → 3.24Singles result

Jan 10, 2026 · Doubles · Mixed

Won 7-5,6-1
+0.05

Matthew’s side

Matthew CoreCurrently on MARIN TC CM8.5A
3.99
Courtney Macomber(partner)Currently on MARIN TC 40MX8.0B
3.62

Opponents

Chris DeckerCurrently on MARIN CC 40MX7.0A
3.53
Despina ManciniCurrently on MARIN CC CW7.5A
3.26
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.

Best match
+0.18
Feb 28 vs B. Fields / G. Martinez
Worst match
−0.25
May 17 vs B. Lawniczak / T. Niedermeyer
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

Matthew Core’s MatchPoint NorCal tennis rating is 3.82, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 4 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−0.173.17
Pulled toward the 2025 year-end level−0.153.02

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