Karen Loebbaka · NorCal tennis rating

MatchPoint

Player profile

Karen Loebbaka

USTA 3.5 · NorCal league player

3.35

current

▲ +0.01 this season

Other formats · don’t affect your rating above

Combo 3.40Mixed 3.64

Active teams · 6

MARIN TC 40MX7.0A →2026 Mixed 40 & Over 7.0 MARIN TC 40MX8.0A →2026 Mixed 40 & Over 8.0 MARIN TC 55MX7.0A →2026 Mixed 55 & Over 7.0

USTA3.50

2026

28 matches

Jan · 3.42

Jun · 3.35

Sep 19 · Doubles−0.18

L S. Blanchard / L. Larson

1-6,4-6 · 1D · with Jennifer Lefferts

● 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

28 matches

Published NorCal results in 2026 — 9 scoring, 19 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 19, 2026 · Doubles · 1D · Combo

Lost 1-6,4-6

−0.18

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Jennifer Lefferts(partner)Currently on MARIN TC CW6.5A-DT

3.10

Opponents

Sarah BlanchardCurrently on MILL VALLEY CW6.5A

3.03

Laura LarsonCurrently on MILL VALLEY CW6.5A

3.35

Combo rating 3.58 → 3.40Doubles result

Combo 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

−0.17

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Matthew Core(partner)Currently on MARIN TC CM8.5A

3.99

Opponents

Jennie RobinCurrently on SCOTT VALLEY CW7.5A-DT

3.81

Jerry LabayCurrently on SCOTT VALLEY CM7.5A

3.58

Mixed rating 3.81 → 3.64Doubles result

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

Aug 8, 2026 · Doubles · Mixed

Lost 6-2,3-6,0-1

−0.15

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Steve Juliani(partner)Currently on MARIN TC CM8.5A

3.66

Opponents

Marvel WarrenCurrently on MT TAM RC CM7.5A

3.68

Nina TrowbridgeCurrently on MT TAM RC CW7.5A

3.43

Mixed rating 3.96 → 3.81Doubles result

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

Aug 1, 2026 · Doubles · Mixed

Won 6-1,0-6,1-0

+0.01

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Steve Juliani(partner)Currently on MARIN TC CM8.5A

3.66

Opponents

John StewartCurrently on TIBURON PEN C CM7.5A

3.20

Angela WebsterCurrently on TIBURON PEN C CW7.5A-DT

3.21

Mixed rating 3.95 → 3.96Doubles result

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

Jul 18, 2026 · Doubles · Mixed

Won 6-3,6-3

+0.05

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Steve Juliani(partner)Currently on MARIN TC CM8.5A

3.66

Opponents

Nicole GrimmerCurrently on NOVATO TC/PIONEER PK 55MX7.0A

2.98

Bruno Luiz Ley SantosCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM7.5A

3.58

Mixed rating 3.89 → 3.95Doubles result

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

Jul 15, 2026 · Doubles · Mixed

Won 6-7,6-0,1-0

+0.10

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Christopher Brawer(partner)Currently on MARIN TC CM8.5A

4.14

Opponents

Bruno Luiz Ley SantosCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM7.5A

3.58

Colleen SonnebornCurrently on NOVATO TC/PIONEER PK 40MX8.0A

3.61

Mixed rating 3.79 → 3.89Doubles result

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

Jul 9, 2026 · Doubles · Mixed

Won 6-3,6-3

+0.19

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Christopher Brawer(partner)Currently on MARIN TC CM8.5A

4.14

Opponents

Steve MarshallCurrently on SCOTT VALLEY CM7.5A

3.82

Kristin MaclagganCurrently on SCOTT VALLEY CW7.5A

3.89

Mixed rating 3.60 → 3.79Doubles result

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

Jun 25, 2026 · Doubles · Mixed

Lost 6-7,5-7

−0.14

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Steve Juliani(partner)Currently on MARIN TC CM8.5A

3.66

Opponents

Ashley MacdonaldCurrently on SCOTT VALLEY CW7.5A-DT

3.77

Jerry LabayCurrently on SCOTT VALLEY CM7.5A

3.58

Mixed rating 3.74 → 3.60Doubles result

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

Jun 7, 2026 · Doubles

Won 6-1,6-1

+0.07

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Carol Treadway(partner)Currently on MARIN TC CW7.5A

3.43

Opponents

Connie OclassenCurrently on HARBOR PT CW6.5A

2.78

Erica GregoryCurrently on HARBOR PT CW6.5A

3.25

Rating 3.28 → 3.35Doubles result

May 18, 2026 · Doubles

Lost 3-6,5-7

−0.08

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Brenda Dorian(partner)Currently on MARIN TC CW7.5A

3.41

Opponents

Wendy FraserCurrently on TIBURON PEN C 55MX7.0A

3.51

Alexis GulashCurrently on SCOTT VALLEY CW7.5A-DT

3.47

Rating 3.36 → 3.28Doubles result

May 17, 2026 · Doubles · Combo

Lost 6-4,3-6,0-1

−0.03

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Nicole Buckland(partner)Currently on MARIN TC CW9.5B

4.28

Opponents

Lisa FaberCurrently on CALIFORNIA TC CW7.5A

3.78

Laura BradleyCurrently on MT TAM RC CW7.5A

3.75

Combo rating 3.61 → 3.58Doubles result

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

May 13, 2026 · Doubles · Combo

Won 6-4,6-3

+0.14

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Molie Malone(partner)Currently on MARIN TC CW7.5A

3.45

Opponents

Kerry BarlasCurrently on SCOTT VALLEY CW7.5A

3.54

Marti GerstnerCurrently on PETALUMA TA/CASA GRANDE HS CW7.5A

3.30

Combo rating 3.47 → 3.61Doubles result

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

May 12, 2026 · Doubles · Combo

Lost 6-0,3-6,0-1

−0.05

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Lisa Rothfels(partner)Currently on MARIN TC CW9.5B

3.94

Opponents

Jennifer HockingCurrently on BELVEDERE TC CW7.5A

3.65

Elizabeth LougeeCurrently on TENNIS COALITION SF/GOLDMAN TC CW7.5A-DT

3.58

Combo rating 3.51 → 3.47Doubles result

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

May 7, 2026 · Doubles · Combo

Won 6-3,6-1

+0.12

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Molie Malone(partner)Currently on MARIN TC CW7.5A

3.45

Opponents

Amy AthertonCurrently on RAFAEL RC CW7.5A

3.35

Patty BeachCurrently on RAFAEL RC CW6.5A-DT

3.07

Combo rating 3.40 → 3.51Doubles result

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

Apr 19, 2026 · Doubles

Lost 6-7,4-6

−0.08

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Carol Treadway(partner)Currently on MARIN TC CW7.5A

3.43

Opponents

Pamela BohnerCurrently on REDWOOD HS CW7.5A

3.40

Paula Leland KentCurrently on REDWOOD HS CW7.5A

3.71

Rating 3.44 → 3.36Doubles result

Apr 17, 2026 · Doubles · Combo

Lost 3-6,6-4,0-1

−0.13

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Trudy Shepard(partner)Currently on MARIN TC CW6.5A

3.28

Opponents

Jackie KeelanCurrently on GOLDEN GATEWY CW7.5B

3.16

Michelle PhilpotCurrently on GOLDEN GATEWY CW7.5B

3.40

Combo rating 3.53 → 3.40Doubles result

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

Apr 9, 2026 · Doubles

Lost 6-7,7-5,0-1

−0.12

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Carol Treadway(partner)Currently on MARIN TC CW7.5A

3.43

Opponents

Thalia MilanoCurrently on MARIN CC CW7.5A

3.30

Alaina ThompsonCurrently on ROLLING HILLS CW7.5A-DT

3.26

Rating 3.56 → 3.44Doubles result

Apr 4, 2026 · Doubles · Combo

Lost 4-6,2-6

−0.09

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Brenda Dorian(partner)Currently on MARIN TC CW7.5A

3.58

Opponents

Tori HerzogCurrently on BOYLE PK CW7.5A-DT

3.65

Carolyn TuatiniCurrently on BOYLE PK CW7.5A-DT

3.56

Combo rating 3.62 → 3.53Doubles result

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

Apr 2, 2026 · Doubles

Won 3-6,6-2,1-0

+0.09

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Katie Magnuson(partner)Currently on MARIN TC CW7.5A

3.35

Opponents

Kimberly HobsonCurrently on SCOTT VALLEY CW7.5A

3.32

Kirsten TreaisCurrently on SCOTT VALLEY CW7.5A-DT

3.41

Rating 3.46 → 3.56Doubles result

Mar 23, 2026 · Doubles · Combo

Won 5-7,7-5,1-0

+0.13

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Katie Magnuson(partner)Currently on MARIN TC CW7.5A

3.32

Opponents

Ruby CasarenoCurrently on HARBOR PT 55MX8.0A

3.48

Ann MannixCurrently on HARBOR PT CW6.5A

3.39

Combo rating 3.49 → 3.62Doubles result

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

Mar 21, 2026 · Doubles · Combo

Lost 2-6,3-6

−0.14

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Molie Malone(partner)Currently on MARIN TC CW7.5A

3.45

Opponents

Sarah FonkalsrudCurrently on RAFAEL RC CW7.5A

3.43

Wendy MorganCurrently on REDWOOD HS CW7.5A

3.46

Combo rating 3.63 → 3.49Doubles result

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

Mar 14, 2026 · Doubles · Mixed

Won 6-4,4-6,1-0

+0.04

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Andrew Fremier(partner)Currently on MARIN TC CM7.5B

3.26

Opponents

Bill DenlerCurrently on MT TAM RC 55MX7.0A

3.32

Nina TrowbridgeCurrently on MT TAM RC CW7.5A

3.43

Mixed rating 3.71 → 3.74Doubles result

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

Mar 12, 2026 · Doubles

Won 7-6,7-5

+0.15

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Brenda Dorian(partner)Currently on MARIN TC CW7.5A

3.41

Opponents

Carolyn TuatiniCurrently on BOYLE PK CW7.5A-DT

3.32

Colleen SonnebornCurrently on NOVATO TC/PIONEER PK 40MX8.0A

3.49

Rating 3.32 → 3.46Doubles result

Feb 21, 2026 · Doubles · Mixed

Won 4-6,6-3,1-0

+0.04

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.64

Nicolas Pommier(partner)Currently on MARIN TC CM7.5B

3.28

Opponents

Sarah FinleyCurrently on RAFAEL RC CW7.5A

3.33

Madhur DayalCurrently on RAFAEL RC CM7.5A

3.23

Mixed rating 3.67 → 3.71Doubles result

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

Feb 21, 2026 · Doubles

Lost 5-7,7-6,0-1

−0.09

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Erin Shippey(partner)Currently on MARIN TC CW7.5A

3.30

Opponents

Paula LoefflerCurrently on MT TAM RC CW7.5A

3.39

Sara CrateCurrently on TIBURON PEN C CW6.5A

3.41

Rating 3.41 → 3.32Doubles result

Jan 31, 2026 · Doubles

Won 6-4,4-6,1-0

+0.11

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Erin Shippey(partner)Currently on MARIN TC CW7.5A

3.30

Opponents

Annabelle FranklCurrently on GOLDMAN TC CW6.5B-DT

3.55

Alisa StimsonCurrently on BELVEDERE TC CW7.5A

3.32

Rating 3.30 → 3.41Doubles result

Jan 25, 2026 · Doubles

Lost 2-6,5-7

−0.13

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.35

Margo Holt(partner)Currently on MARIN TC CW7.5A

3.61

Opponents

Kristine BantonCurrently on ROLLING HILLS CW6.5A

3.29

Karen LeechCurrently on ROLLING HILLS CW6.5A

3.30

Rating 3.42 → 3.30Doubles result

Jan 23, 2026 · Doubles · Combo

Lost 1-6,3-6

−0.05

Karen’s side

Karen LoebbakaCurrently on MARIN TC CW7.5A

3.40

Francie Burkhard(partner)Currently on MARIN TC CW8.5B

3.64

Opponents

Yiwen XieCurrently on SUNNYVALE MTC CW8.5C

4.13

Yuewei WangCurrently on SUNNYVALE MTC CW8.5D

3.68

Combo rating 3.69 → 3.63Doubles result

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

Best match

+0.15

Mar 12 vs C. Tuatini / C. Sonneborn

Worst match

−0.13

Jan 25 vs K. Banton / K. Leech

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

Karen Loebbaka’s MatchPoint NorCal tennis rating is 3.35, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 6 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−0.013.33

Pulled toward the 2025 year-end level−0.023.42

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