MatchPoint

Player profile

Joanie Costamagna’s NorCal tennis rating

Joanie Costamagna
USTA 4.0 · NorCal league player
4.05
current
▲ +0.16 this season

Other formats · don’t affect your rating above

Combo 4.08
USTA4.00
2025
16 matches
4.133.853.57
Jan · 3.84
Jun · 4.13
Jun 27 · Doubles+0.06
W E. Anderson / M. Wear
6-4,6-2 · with Anne Sullivan
● 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

0 matches

Published NorCal league results in 2026.

May 20, 2025 · Doubles · Combo

Lost 2-6,4-6
−0.12

Joanie’s side

Joanie CostamagnaCurrently on MT TAM RC CW7.5A
4.08
Dominika Halka(partner)
3.94

Opponents

Annika Miller
4.23
Catherine FogelmanCurrently on OLYMPIC CW8.5A
4.04
Combo rating 4.21 → 4.08Doubles result

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

May 12, 2025 · Doubles · Combo

Won 7-6,7-5
+0.09

Joanie’s side

Joanie CostamagnaCurrently on MT TAM RC CW7.5A
4.08
Dominika Halka(partner)
3.94

Opponents

Merilee BordinCurrently on MARIN TC CW8.5A
4.10
Anne SullivanCurrently on MARIN TC CW8.5A
4.03
Combo rating 4.12 → 4.21Doubles result

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

Apr 20, 2025 · Doubles · Combo

Won 6-0,6-0
+0.07

Joanie’s side

Joanie CostamagnaCurrently on MT TAM RC CW7.5A
4.08
Dominika Halka(partner)
3.94

Opponents

Laura SpivyCurrently on CALIFORNIA TC CW8.5A
3.64
Pam MyersCurrently on ROHNERT PK TC/MAGNOLIA/M PK 55MX8.0A
4.05
Combo rating 4.04 → 4.12Doubles result

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

Apr 6, 2025 · Doubles · Combo

Lost 4-6,7-6,0-1
−0.15

Joanie’s side

Joanie CostamagnaCurrently on MT TAM RC CW7.5A
4.08
Dominika Halka(partner)
3.94

Opponents

Sally Brien
3.51
Laura KellyCurrently on GOLDMAN TC CW8.5A
3.99
Combo rating 4.14 → 3.99Doubles result

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

Mar 22, 2025 · Doubles · Combo

Won 6-1,6-3
+0.09

Joanie’s side

Joanie CostamagnaCurrently on MT TAM RC CW7.5A
4.08
Dominika Halka(partner)
3.94

Opponents

Elizabeth HarrellCurrently on SCOTT VALLEY CW8.5A
4.15
Robin KaukonenCurrently on SCOTT VALLEY CW7.5A
3.56
Combo rating 4.05 → 4.14Doubles result

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

Best match
+0.16
Apr 11 vs K. Hinckley / J. Holmes
Worst match
−0.15
Apr 4 vs C. Bellamy / A. Salamida
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 Sep 20

Joanie Costamagna’s MatchPoint NorCal tennis rating is 4.05, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on MT TAM RC CW7.5A.

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−0.053.84
Pulled toward the 2025 year-end level−0.084.05

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