MatchPoint

Player profile

Joanne Callahan’s NorCal tennis rating

Joanne Callahan
USTA 4.0 · NorCal league player
3.54
current
▲ +0.20 this season

Other formats · don’t affect your rating above

Combo 3.77
USTA4.00
2026
21 matches
3.563.393.22
Jan · 3.22
Jun · 3.54
Sep 3 · Doubles+0.02
W G. Hederer / B. Westergren
6-2,6-2 · 3D · with Marina Obyrne
● 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

21 matches

Published NorCal results in 2026 — 12 scoring, 9 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 3, 2026 · Doubles · 3D · Combo

Won 6-2,6-2
+0.02

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Marina Obyrne(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.49

Opponents

Gabi HedererCurrently on SAN JOSE SR CW7.5A
3.09
Barbara WestergrenCurrently on VILLAGES GCC S70W7.0A
3.26
Combo rating 3.75 → 3.77Doubles result

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

Jul 11, 2026 · Doubles · Combo

Won 1-1 RE
+0.15

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Tami LightleCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5A-DT
3.61
Tisha KermoianCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5A-DT
4.07
Combo rating 3.59 → 3.75Doubles result

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

Jul 10, 2026 · Doubles · Combo

Won 7-5,6-7,1-0
+0.13

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Petula VeatchCurrently on ROEDING PK TENNIS CL/ROEDING PK CW8.5A
4.10
Kathy QuirozCurrently on ROEDING PK TENNIS CL/ROEDING PK S70W8.0A
3.58
Combo rating 3.46 → 3.59Doubles result

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

Jun 14, 2026 · Doubles · Combo

Lost 2-6,6-4,0-1
−0.11

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Dorien AfricaCurrently on BAY CLUB SANTA CLARA CW8.5A
3.51
Donna BlyshakCurrently on SUNNYVALE MTC CW7.5C-DT
3.90
Combo rating 3.58 → 3.46Doubles result

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

Jun 12, 2026 · Doubles

Won 5-7,6-2,1-0
+0.10

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.61

Opponents

Claiborne BrownCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A
3.47
Paula GuslaniCurrently on LOS ALTOS GCC CW7.5A-DT
3.39
Rating 3.44 → 3.54Doubles result

Jun 3, 2026 · Doubles

Won 4-6,7-5 RE
+0.08

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Eleni Baxter(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.74

Opponents

Cindy JeungCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.47
Jennifer ShemCurrently on CUPERTINO TC/CUPERTINO SC 40MX8.0B
3.50
Rating 3.35 → 3.44Doubles result

May 19, 2026 · Doubles · Combo

Lost 2-6,6-2,0-1
−0.09

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Julie Colwell(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.86

Opponents

Donna WheatleyCurrently on BAY CLUB SANTA CLARA 55MX8.0A
3.72
Lisa BackusCurrently on SUNNYVALE MTC CW8.5D
3.93
Combo rating 3.67 → 3.58Doubles result

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

May 17, 2026 · Doubles · Combo

Won 6-2,6-1
+0.08

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Jennifer Seto(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.25

Opponents

Cindy JeungCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.39
Mary Green
3.54
Combo rating 3.59 → 3.67Doubles result

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

May 16, 2026 · Doubles · Combo

Won 6-3,7-6
+0.10

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Frances Caroline GardhouseCurrently on SILVER CREEK CW7.5A
3.57
Marie Fan
3.45
Combo rating 3.49 → 3.59Doubles result

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

May 9, 2026 · Doubles · Combo

Won 7-6,6-1
+0.11

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Tamara TarkingtonCurrently on SEASCAPE SC 55MX7.0A
3.66
Mara DumondCurrently on SUNNYVALE MTC CW7.5C-DT
3.57
Combo rating 3.38 → 3.49Doubles result

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

May 6, 2026 · Doubles · Combo

Won 6-3,6-1
+0.11

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.77
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.70

Opponents

Machiko CyrCurrently on LOS GATOS SR S70W8.0A
3.08
Emily ChouCurrently on CUPERTINO TC/CUPERTINO SC 55MX8.0A
3.67
Combo rating 3.27 → 3.38Doubles result

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

Apr 19, 2026 · Doubles

Lost 3-6,6-3,0-1
−0.08

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Shelley Meyer(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A
4.16

Opponents

Lufei WangCurrently on SUNNYVALE MTC CW7.5B
3.62
Yue WuCurrently on SUNNYVALE MTC CW8.5D
3.74
Rating 3.43 → 3.35Doubles result

Apr 6, 2026 · Doubles

Won 6-4,6-0
+0.04

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.61

Opponents

Machiko CyrCurrently on LOS GATOS SR S70W8.0A
3.27
Kazue KadoshimaCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.07
Rating 3.39 → 3.43Doubles result

Apr 5, 2026 · Doubles

Lost 3-6,5-7
−0.08

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Eleni Baxter(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.74

Opponents

Dorien AfricaCurrently on BAY CLUB SANTA CLARA CW8.5A
3.75
Kimi SatoCurrently on BAY CLUB SANTA CLARA 40MX8.0A
3.81
Rating 3.47 → 3.39Doubles result

Mar 6, 2026 · Doubles

Lost 5-7,7-6,0-1
−0.09

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Katie Schmidt(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.66

Opponents

Lan KanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A-DT
3.58
Sunny Wang
3.76
Rating 3.56 → 3.47Doubles result

Feb 28, 2026 · Doubles

Won 6-3,4-6,1-0
+0.11

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Bridget Cash(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.88

Opponents

Jean ZhangCurrently on CUPERTINO TC/CUPERTINO SC 55MX8.0A
3.47
Jennifer ShemCurrently on CUPERTINO TC/CUPERTINO SC 40MX8.0B
3.50
Rating 3.45 → 3.56Doubles result

Feb 26, 2026 · Doubles

Won 7-5,7-5
+0.17

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.61

Opponents

Yuko OnoCurrently on SUNNYVALE MTC CW7.5D-DT
3.51
Fumie TaguchiCurrently on SUNNYVALE MTC CW7.5D-DT
3.64
Rating 3.28 → 3.45Doubles result

Feb 9, 2026 · Doubles

Lost 3-6,3-6
−0.10

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.61

Opponents

Pegah SeddighianCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.73
Leyla ScottCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.82
Rating 3.38 → 3.28Doubles result

Feb 6, 2026 · Doubles

Lost 1-6,2-6
−0.06

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Caroline Jones(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.61

Opponents

Heather La FranceCurrently on SUNNYVALE MTC CW8.5D
3.83
Tomi NakamuraCurrently on BAY CLUB SANTA CLARA CW8.5A
3.82
Rating 3.44 → 3.38Doubles result

Jan 23, 2026 · Doubles

Won 6-3,6-4
+0.15

Joanne’s side

Joanne CallahanCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.54
Katie Schmidt(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.66

Opponents

Julie DeanCurrently on RIDGEMARK G&CC 40MX8.0A
3.66
Shannon HaarCurrently on RIDGEMARK G&CC 40MX8.0A
3.68
Rating 3.22 → 3.37Doubles result
Best match
+0.17
Feb 26 vs Y. Ono / F. Taguchi
Worst match
−0.10
Feb 9 vs P. Seddighian / L. Scott
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

Joanne Callahan’s MatchPoint NorCal tennis rating is 3.54, 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−0.063.28
Pulled toward the 2025 year-end level−0.063.22

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