MatchPoint

Player profile

Karen De Martini: estimated dynamic rating

Karen De Martini
USTA3.5
NorCal league player
3.27
Estimated dynamic rating
▼ −0.62 this season
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Combo · 2026
13 matches
3.553.383.22
Feb · 3.22
Oct · 3.46
Oct 17 · Doubles+0.07
W F. Chin / M. Holcenberg
6-3,3-6,1-0 · 1D · with Teresa King
Your combo rating, from combo matches only. It doesn’t move your 3.27.● 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

38 matches

Published NorCal results in 2026 — 16 scoring, 22 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 17, 2026 · Doubles · 1D · Combo

Won 6-3,3-6,1-0
+0.07

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Teresa King(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
3.70

Opponents

Frances ChinCurrently on MONTE VISTA HS CW7.5A
3.30
Michelle HolcenbergCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0C
3.18
Combo rating 3.39 → 3.46Doubles result

Oct 10, 2026 · Doubles · 3D · Mixed

Lost 3-6,1-6
−0.01

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.43
Sanjay Backliwal(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CM8.5B
3.94

Opponents

Arnold SoletaCurrently on VALLEY VISTA RC/VVRC COURTS 55MX9.0A
4.10
Darlet LinCurrently on MERVYN MORRIS PK 55MX8.0A
4.46
Mixed rating 3.44 → 3.43Doubles result

Oct 8, 2026 · Doubles · 3D · Combo

Lost 4-6,2-6
−0.11

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Shelley Turner(partner)Currently on PLEASANTON CW7.5B
3.21

Opponents

Veronika SvecovaCurrently on WALNUT CREEK RC/Walnut Creek TC CW6.5B
3.62
Kareen NelsonCurrently on THE CLUB @LIVERMORE CW7.5A
3.59
Combo rating 3.50 → 3.39Doubles result

Oct 4, 2026 · Doubles · 2D · Mixed

Won 6-2,6-3
+0.20

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.43
Bang Nguyen(partner)Currently on WASHINGTON PK CM8.5A
4.13

Opponents

Luis HernandezCurrently on UNION CITY LEISURE S/VETERANS MEM PK 55MX8.0A
3.47
Caroline MedinaCurrently on UNION CITY LEISURE S/VETERANS MEM PK 55MX8.0A
3.82
Mixed rating 3.24 → 3.44Doubles result

Sep 27, 2026 · Doubles · 1D · Combo

Lost 2-6,1-6
−0.01

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Judy Halper(partner)Currently on PLEASANTON CW7.5B
3.70

Opponents

Christina ChengCurrently on MILLS COLLEGE CW8.5A
4.24
Jasmine MorganCurrently on RICHMOND TA/NICHOLL PK CW7.5A
4.24
Combo rating 3.51 → 3.50Doubles result

Sep 19, 2026 · Doubles · 3D · Mixed

Lost 2-6,3-6
−0.01

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.43
Bang Nguyen(partner)Currently on WASHINGTON PK CM8.5A
4.13

Opponents

Stephanie YeeCurrently on MERVYN MORRIS PK 55MX8.0A
4.21
Marty GeeCurrently on PLEASANTON 55MX7.0B
4.14
Mixed rating 3.25 → 3.24Doubles result

Aug 29, 2026 · Doubles · 2D · Combo

Won 6-3,6-3
+0.09

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Judy Halper(partner)Currently on PLEASANTON CW7.5B
3.70

Opponents

Frances ChinCurrently on MONTE VISTA HS CW7.5A
3.30
Dana AndrewCurrently on VALLEY VISTA RC/VVRC COURTS CW6.5A
3.17
Combo rating 3.42 → 3.51Doubles result

Jun 28, 2026 · Doubles · Mixed

Lost 4-6,6-4,0-1
−0.15

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.43
Edison Barco(partner)Currently on WALNUT CREEK RC/Walnut Creek TC 55MX7.0B
3.39

Opponents

James TakCurrently on WALNUT CREEK RC/Walnut Creek TC CM7.5A
3.30
Dana KrugerCurrently on CROW CANYON CC CW7.5A-DT
3.07
Mixed rating 3.31 → 3.16Doubles result

Jun 27, 2026 · Doubles · Mixed

Won 7-6,7-6
+0.08

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.43
Kyle Jones(partner)Currently on RICHMOND TA/NICHOLL PK 55MX7.0A
3.37

Opponents

Florita LabradorCurrently on PLEASANT HILL/PLEASANT HILL MIDDLE CW6.5A
3.23
Adam Nguyen
3.55
Mixed rating 3.23 → 3.31Doubles result

May 30, 2026 · Doubles

Lost 6-3,5-7,0-1
−0.11

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.27
Carissa Swanson(partner)Currently on VALLEY VISTA RC/VVRC COURTS CW6.5A
3.03

Opponents

Diane ChinnCurrently on THE CLUB @LIVERMORE CW7.5A
3.25
Ella CampCurrently on THE CLUB @LIVERMORE CW7.5A
3.39
Rating 3.46 → 3.35Doubles result

May 24, 2026 · Doubles · Combo

Lost 2-6,6-7
−0.02

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Jennifer Stockford(partner)Currently on SAN PABLO PK CW7.5A
4.04

Opponents

Susan AnejaCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5B
3.95
Jane WenCurrently on BAY CLUB PL CW7.5B
3.95
Combo rating 3.44 → 3.42Doubles result

May 20, 2026 · Doubles · Combo

Lost 2-6,1-6
−0.03

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Julieta Leong(partner)Currently on PLEASANTON 55MX7.0A
3.55

Opponents

Diana SunseriCurrently on RIO DEL ORO CW7.5A-DT
3.81
Lisa LarsonCurrently on BROADSTONE RC CW7.5B-DT
3.78
Combo rating 3.47 → 3.44Doubles result

May 9, 2026 · Doubles · Combo

Lost 2-6,4-6
−0.06

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Jill Van Slyke(partner)Currently on VALLEY VISTA RC/VVRC COURTS CW8.5A
3.65

Opponents

Ning DocenaCurrently on PLEASANTON CW8.5B
3.63
Snjezana MaricCurrently on PLEASANTON CW8.5C
3.71
Combo rating 3.43 → 3.37Doubles result

May 3, 2026 · Doubles · Combo

Lost 2-6,0-6
−0.01

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Jill Van Slyke(partner)Currently on VALLEY VISTA RC/VVRC COURTS CW8.5A
3.65

Opponents

Christine ChoyeCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.25
Michele LindzyCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A
4.27
Combo rating 3.44 → 3.43Doubles result

Apr 18, 2026 · Doubles

Lost 2-6,2-6
−0.16

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.27
Michelle Cooke(partner)Currently on PLEASANTON CW6.5A
3.06

Opponents

Fang LinCurrently on MERVYN MORRIS PK 55MX8.0A
3.52
Dongjie FanCurrently on BAY CLUB SANTA CLARA 55MX7.0A
3.29
Rating 3.78 → 3.63Doubles result

Mar 15, 2026 · Doubles

Lost 6-4,3-6,0-1
−0.14

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.27
Miwon Vella(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW7.5B
3.31

Opponents

Emily AmottCurrently on DIABLO CC CW7.5A-DT
3.28
Shelley LoberCurrently on BLACKHAWK CC CW6.5A-DT
3.38
Rating 3.85 → 3.71Doubles result

Feb 6, 2026 · Doubles · Combo

Won 6-2,6-4
+0.14

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.46
Dora Meier Lee(partner)Currently on PLEASANTON CW6.5A-DT
3.49

Opponents

Julie CahillCurrently on CONCORD TC/CONCORD COMM PK S70W7.0A
3.51
Pamela MaloneyCurrently on CONCORD TC/CONCORD COMM PK S70W7.0A
3.38
Combo rating 3.22 → 3.36Doubles result

Jan 18, 2026 · Doubles

Won 6-4,4-6,1-0
+0.13

Karen’s side

Karen De MartiniCurrently on PLEASANTON CW7.5B
3.27
Miwon Vella(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW7.5B
3.31

Opponents

Connie J ChangCurrently on BAY TREES PK CW6.5A
3.50
Katherine HwangCurrently on SAN PABLO PK CW7.5A
3.49
Rating 3.39 → 3.53Doubles result

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

Best match
+0.14
Feb 6 vs J. Cahill / P. Maloney
Worst match
−0.11
Mar 22 vs L. Gallagher / M. Johnson
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level−0.023.87
Pulled toward the 2025 year-end level+0.013.56

More about Karen

Karen De Martini has been a USTA NorCal 3.5 since 2024. The estimated dynamic rating is 3.27, down 0.62 this season, with a 19–21 record in 2026 across regular, combo and mixed play. Most frequent partner: Dora Meier Lee, 7–0 in 7 matches together.

Record

19–21
2026 season, 40 matches
16–10
2025 season, 26 matches
8
Longest winning streak
6–6
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, 2002–2026

3.5 in 2002, 3.0 in 2003, 3.5 from 2004 to 2008, 3.5 in 2010, 4.0 from 2011 to 2023 and 3.5 from 2024 to 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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