MatchPoint

Player profile

Jack Herndon’s NorCal tennis rating

Jack Herndon
USTA 4.5 · NorCal league player
4.36
current
▼ −0.08 this season

Other formats · don’t affect your rating above

Combo 4.28
USTA4.50
2026
14 matches
4.364.214.05
Jan · 4.18
Apr · 4.36
Sep 7 · Doubles−0.10
L A. King / K. Byun
1-6,4-6 · 2D · with John Flygare
● 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

14 matches

Published NorCal results in 2026 — 7 scoring, 7 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 7, 2026 · Doubles · 2D · Combo

Lost 1-6,4-6
−0.10

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
John Flygare(partner)Currently on PENINSULA TC CM9.5A
4.27

Opponents

Andy KingCurrently on RINCONADA PK CM9.5B
4.58
Kent ByunCurrently on SUNNYVALE MTC CM9.5B
4.32
Combo rating 4.38 → 4.28Doubles result

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

May 2, 2026 · Doubles · Combo

Won 6-2,6-0
+0.04

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
David Crawford(partner)Currently on PENINSULA TC CM9.5A
4.68

Opponents

Tom KentCurrently on BAY CLUB COURTSIDE 55MX8.0A
3.88
Victor VeltonCurrently on BAY CLUB COURTSIDE 40MX8.0A
4.00
Combo rating 4.33 → 4.38Doubles result

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

Apr 25, 2026 · Doubles · Combo

Won 6-0,6-0
+0.07

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
Scott Ritchey(partner)
4.41

Opponents

Al Honorio
4.12
Michael PostCurrently on LOS GATOS SR CM7.5A
3.83
Combo rating 4.26 → 4.33Doubles result

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

Apr 18, 2026 · Doubles · Combo

Lost 1-6,1-6
−0.10

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
Ken Mahrer(partner)
4.25

Opponents

Tom BrehmeCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.30
Jeff KlapperCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.51
Combo rating 4.36 → 4.26Doubles result

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

Apr 4, 2026 · Doubles · Combo

Lost 5-7,1-6
−0.15

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
John Kohli(partner)
4.20

Opponents

Mark EbnerCurrently on LOS GATOS SR 55MX9.0A
4.39
David Reveno
4.30
Combo rating 4.51 → 4.36Doubles result

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

Mar 28, 2026 · Doubles · Combo

Lost 3-6,6-4,0-1
−0.12

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
Ken Mahrer(partner)
4.25

Opponents

Tom BrehmeCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.30
Jeff KlapperCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.51
Combo rating 4.63 → 4.51Doubles result

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

Mar 22, 2026 · Doubles · Combo

Won 6-3,6-4
+0.11

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.28
John Kohli(partner)
4.20

Opponents

David Yvanovich
4.04
Mike Ryan
4.19
Combo rating 4.52 → 4.63Doubles result

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

Mar 14, 2026 · Doubles

Won 6-0,6-1
+0.01

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.36
Mark Strem(partner)
4.81

Opponents

Dongning MaCurrently on SUNNYVALE MTC CM8.5D
3.74
Guoxing LiCurrently on SUNNYVALE MTC CM8.5D
3.56
Rating 4.27 → 4.28Doubles result

Feb 14, 2026 · Doubles

Won 6-3,3-6,1-0
+0.14

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.36
David Crawford(partner)Currently on PENINSULA TC CM9.5A
4.57

Opponents

Nicolas BatemanCurrently on RINCONADA PK CM8.5B
4.40
Ying CaiCurrently on SUNNYVALE MTC 40MX8.0C
4.30
Rating 4.05 → 4.19Doubles result

Jan 24, 2026 · Doubles

Lost 1-6,6-3,0-1
−0.11

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.36
John Flygare(partner)Currently on PENINSULA TC CM9.5A
4.54

Opponents

Amir Yazdi
4.17
Andy EwingCurrently on SUNNYVALE MTC CM8.5B
4.42
Rating 4.16 → 4.05Doubles result

Jan 17, 2026 · Doubles

Won 6-2,6-3
+0.08

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.36
Ken Mahrer(partner)
4.37

Opponents

Sumant KowshikCurrently on SAN CARLOS TC/ARGUELLO PK 40MX8.0A
4.15
Gene CherngCurrently on LOS GATOS SR 40MX9.0A
3.94
Rating 4.08 → 4.16Doubles result

Jan 11, 2026 · Singles

Lost 2-6,3-6
−0.10

Jack’s side

Jack HerndonCurrently on PENINSULA TC CM9.5A
4.36

Opponents

Nicolas BatemanCurrently on RINCONADA PK CM8.5B
4.40
Rating 4.18 → 4.08Singles result
Best match
+0.14
Feb 14 vs N. Bateman / Y. Cai
Worst match
−0.11
Jan 24 vs A. Yazdi / A. Ewing
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

Jack Herndon’s MatchPoint NorCal tennis rating is 4.36, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on PENINSULA TC CM9.5A.

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+0.024.46
Pulled toward the 2025 year-end level+0.064.18

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