Jonathan Lefferts · NorCal tennis rating

MatchPoint

Player profile

Jonathan Lefferts

USTA 4.5 · NorCal league player

4.18

current

▼ −0.26 this season

Other formats · don’t affect your rating above

Combo 4.21Mixed 4.18

Active teams · 2

MARIN TC 40MX9.0A →2026 Mixed 40 & Over 9.0 RAFAEL RC CM8.5A →2026 Combo Mens League 8.5

USTA4.50

2026

16 matches

Feb · 4.35

Apr · 4.18

Sep 12 · Doubles+0.10

W S. Monga / G. Turk

6-4,6-4 · 1D · with Sean Raymond

● 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

16 matches

Published NorCal results in 2026 — 6 scoring, 10 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 12, 2026 · Doubles · 1D · Combo

Won 6-4,6-4

+0.10

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Sean Raymond(partner)Currently on RAFAEL RC CM8.5A

4.09

Opponents

Sachin MongaCurrently on ROLLING HILLS CM8.5A

4.15

Greg TurkCurrently on ROLLING HILLS CM8.5A

4.04

Combo rating 4.10 → 4.21Doubles result

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

Aug 29, 2026 · Doubles · 1D · Combo

Lost 6-7,4-6

−0.06

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Sean Raymond(partner)Currently on RAFAEL RC CM8.5A

4.09

Opponents

Gerald MehcizCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

4.26

Tom VeachCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

4.59

Combo rating 4.17 → 4.10Doubles result

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

Jul 19, 2026 · Doubles · Mixed

Lost 2-6,2-6

−0.05

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Amy Ourso(partner)Currently on MARIN TC CW9.5B

4.19

Opponents

Valeria PinnaCurrently on MARIN TC CW9.5A

4.49

Richard KhoeCurrently on HARBOR PT 40MX9.0A

4.56

Mixed rating 4.24 → 4.18Doubles result

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

Jun 12, 2026 · Doubles · Mixed

Won 6-3,7-5

+0.06

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Jennifer Mills(partner)Currently on MARIN TC CW9.5A

4.38

Opponents

Britt DoyleCurrently on HARBOR PT 40MX9.0A

3.94

Mary CarseCurrently on HARBOR PT 55MX8.0A

3.81

Mixed rating 4.18 → 4.24Doubles result

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

May 21, 2026 · Doubles · Combo

Won 6-4,6-0

+0.02

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Phil Neal(partner)Currently on RAFAEL RC CM7.5A

3.72

Opponents

Brandon LawniczakCurrently on MILL VALLEY CM7.5A

3.35

Rocky MossCurrently on GOLDMAN TC S70M7.0A

3.65

Combo rating 4.15 → 4.17Doubles result

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

May 1, 2026 · Doubles · Combo

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

−0.05

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Yong Kim(partner)Currently on MARIN TC 40MX9.0A

4.08

Opponents

Clayton Flanagan

4.35

Kevin Keenley

4.56

Combo rating 4.20 → 4.15Doubles result

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

Apr 29, 2026 · Doubles · Combo

Lost 3-6,2-6

−0.20

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Yong Kim(partner)Currently on MARIN TC 40MX9.0A

4.08

Opponents

Steven CollettoCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

4.15

Howard SchnirmanCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

3.98

Combo rating 4.40 → 4.20Doubles result

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

Apr 23, 2026 · Doubles

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

−0.03

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Michael Damiani(partner)Currently on RAFAEL RC CM8.5A

4.55

Opponents

Jake LamCurrently on WALNUT CREEK RC/Walnut Creek TC CM9.5A

4.71

Tom VeachCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

4.50

Rating 4.21 → 4.18Doubles result

Apr 19, 2026 · Doubles · Combo

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

+0.03

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Chris Beard(partner)Currently on RAFAEL RC CM7.5A

3.89

Opponents

Geoffrey KegleyCurrently on ROHNERT PK TC/MAGNOLIA/M PK S70M8.0A

3.78

Howard SchnirmanCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM8.5A

3.98

Combo rating 4.37 → 4.40Doubles result

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

Apr 18, 2026 · Doubles

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

−0.07

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

David Erlich(partner)Currently on MARIN TC CM8.5A

4.39

Opponents

Cory FulchironCurrently on ROLLING HILLS 40MX8.0A

4.39

Jonathan ThompsonCurrently on ROLLING HILLS CM8.5A

4.14

Rating 4.29 → 4.21Doubles result

Apr 6, 2026 · Doubles

Lost 3-6,1-6

−0.08

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Andrew Sohn(partner)Currently on MARIN TC CM8.5A

4.25

Opponents

Geoffrey GerdingCurrently on FLYTE RC CM8.5A

4.32

Dennis SanchezCurrently on FLYTE RC CM8.5A

4.45

Rating 4.37 → 4.29Doubles result

Mar 21, 2026 · Doubles · Combo

Won 6-1,6-0

+0.01

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.21

Kevin Scheer(partner)

3.49

Opponents

Mark BritschgiCurrently on ROLLING HILLS CM7.5A

3.64

Peter KennedyCurrently on ROLLING HILLS CM7.5A

3.39

Combo rating 4.36 → 4.37Doubles result

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

Mar 14, 2026 · Doubles

Won 6-7,6-2,1-0

+0.15

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Marty Perpich(partner)Currently on RAFAEL RC 40MX9.0A

4.47

Opponents

Brian KneafseyCurrently on MILL VALLEY CM9.5A

4.27

Augusto AcostaCurrently on HARBOR PT 40MX9.0A

4.45

Rating 4.22 → 4.37Doubles result

Mar 7, 2026 · Doubles

Lost 3-6,0-6

−0.05

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Daniel Krebs(partner)Currently on RAFAEL RC CM8.5A

4.18

Opponents

Timothy BarlowCurrently on ROLLING HILLS 40MX8.0A

4.45

Ricky Herzog

4.52

Rating 4.27 → 4.22Doubles result

Feb 7, 2026 · Doubles

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

−0.08

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

Marty Perpich(partner)Currently on RAFAEL RC 40MX9.0A

4.47

Opponents

Brian KneafseyCurrently on MILL VALLEY CM9.5A

4.27

Jacques SoenensCurrently on MILL VALLEY CM9.5A

4.63

Rating 4.35 → 4.27Doubles result

Jan 10, 2026 · Doubles · Mixed

Lost 3-6,4-6

−0.08

Jonathan’s side

Jonathan LeffertsCurrently on RAFAEL RC CM8.5A

4.18

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

4.39

Opponents

Lance Ngo

5.01

Nicole WedlakeCurrently on OLYMPIC CW8.5A

4.12

Mixed rating 4.26 → 4.18Doubles result

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

Best match

+0.15

Mar 14 vs B. Kneafsey / A. Acosta

Worst match

−0.08

Feb 7 vs B. Kneafsey / J. Soenens

Where you started ›4.44

2023 year-end NTRP 4.54.30

Scale calibration+0.14

Season start4.44

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

Jonathan Lefferts’s MatchPoint NorCal tennis rating is 4.18, 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+0.094.53

Pulled toward the 2025 year-end level+0.114.35

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