MatchPoint

Player profile

Christine Costamagna’s NorCal tennis rating

Christine Costamagna
USTA 4.5 · NorCal league player
4.50
current
▲ +0.06 this season

Other formats · don’t affect your rating above

Combo 4.38Mixed 4.24
USTA4.50
2026
15 matches
4.544.414.28
Jan · 4.54
May · 4.50
May 30 · Doubles+0.10
W L. Derian / L. Stables
6-3,6-3 · with Molly Neal
● 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

15 matches

Published NorCal results in 2026 — 7 scoring, 8 combo or mixed. Combo and mixed don’t affect NTRP ratings.

May 24, 2026 · Doubles

Won 6-1,6-0
+0.02

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.50
Noriko Swanson(partner)Currently on VALLEY VISTA RC/VVRC COURTS CW8.5A
4.46

Opponents

Jennifer GrantCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5A
4.01
Darcy BeaucheminCurrently on WALNUT CREEK RC/Walnut Creek TC CW8.5A
3.88
Rating 4.38 → 4.40Doubles result

May 11, 2026 · Doubles · Combo

Won 6-2,3-6,1-0
+0.03

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Carol Treadway(partner)Currently on MARIN TC CW7.5A
3.84

Opponents

Mira SchwirtzCurrently on ROLLING HILLS CW7.5A
3.79
Lori TorkelsonCurrently on ROLLING HILLS CW7.5A
4.11
Combo rating 4.35 → 4.38Doubles result

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

Apr 27, 2026 · Doubles · Combo

Won 4-6,6-4,1-0
+0.01

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Carol Treadway(partner)Currently on MARIN TC CW7.5A
3.84

Opponents

Susan TunnellCurrently on TIBURON PEN C CW7.5A-DT
3.65
Stacy WilsonCurrently on TIBURON PEN C CW7.5A-DT
3.72
Combo rating 4.34 → 4.35Doubles 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 5-7,4-6
−0.17

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Sonnet Mckinnon(partner)Currently on MARIN TC CW9.5A
4.38

Opponents

Caroline IwanchukCurrently on BAY CLUB SF TENNIS CW8.5A
4.29
Lisa TrusheimCurrently on RAFAEL RC 55MX8.0A
4.24
Combo rating 4.51 → 4.34Doubles result

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

Apr 4, 2026 · Doubles · Combo

Won 6-2,6-1
+0.11

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Kimberly Borah-schulist(partner)Currently on MARIN TC CW9.5A
4.52

Opponents

Beth Mccarthy
4.17
Jennifer SlippyCurrently on SAN PABLO PK CW9.5A
4.31
Combo rating 4.40 → 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 7-6,7-5
+0.01

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Carol Treadway(partner)Currently on MARIN TC CW7.5A
3.84

Opponents

Stacey ClemenceauCurrently on ROLLING HILLS CW7.5A
3.90
Kayo D'arcy
3.71
Combo rating 4.39 → 4.40Doubles result

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

Mar 7, 2026 · Doubles

Lost 6-7,4-6
−0.18

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.50
Sonnet Mckinnon(partner)Currently on MARIN TC CW9.5A
4.40

Opponents

Raquel AtkinCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX9.0A
4.10
Margaret BarryCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX9.0A
4.35
Rating 4.46 → 4.28Doubles result

Feb 3, 2026 · Doubles · Mixed

Lost 3-6,1-6
−0.09

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.24
Christopher Brawer(partner)Currently on MARIN TC CM8.5A
4.14

Opponents

Lindsay HuangCurrently on GOLDMAN TC CW9.5A
4.55
Cody LinCurrently on GOLDMAN TC CM8.5A
4.32
Mixed rating 4.33 → 4.24Doubles result

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

Jan 23, 2026 · Doubles · Combo

Won 6-1,6-4
+0.09

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Lisa Eastlack(partner)Currently on MARIN TC CW8.5A
4.39

Opponents

Ana LarnerCurrently on WALNUT CREEK RC/Walnut Creek TC 40MX9.0A
4.23
Noriko SwansonCurrently on VALLEY VISTA RC/VVRC COURTS CW8.5A
4.14
Combo rating 4.43 → 4.51Doubles result

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

Jan 23, 2026 · Doubles · Combo

Lost 4-6,6-2,0-1
−0.13

Christine’s side

Christine CostamagnaCurrently on MARIN TC CW9.5A
4.38
Kris Hinckley(partner)Currently on MARIN TC CW8.5A
3.73

Opponents

Elani PhanCurrently on SAN PABLO PK CW9.5A
4.32
Dejia TangCurrently on SUNNYVALE MTC CW8.5C
4.41
Combo rating 4.51 → 4.39Doubles result

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

Best match
+0.10
May 30 vs L. Derian / L. Stables
Worst match
−0.18
Jan 11 vs E. Chamberlin / P. Conway
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

Christine Costamagna’s MatchPoint NorCal tennis rating is 4.50, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on MARIN TC CW9.5A.

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−0.034.41
Pulled toward the 2025 year-end level−0.044.54

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