MatchPoint

Player profile

Karen Mack’s NorCal tennis rating

Karen Mack
USTA 4.5 · NorCal league player
4.27
current
▼ −0.17 this season

Other formats · don’t affect your rating above

Combo 4.29
USTA4.50
2026
3 matches
4.444.364.27
Apr · 4.44
May · 4.27
Aug 29 · Doubles+0.09
W A. Comfort / N. Bianchi
4-6,6-3,1-0 · 3D · with Ciara Dillon
● 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

3 matches

Published NorCal results in 2026 — 2 scoring, 1 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Aug 29, 2026 · Doubles · 3D · Combo

Won 4-6,6-3,1-0
+0.09

Karen’s side

Karen MackCurrently on OLYMPIC CW9.5A
4.29
Ciara Dillon(partner)Currently on OLYMPIC CW9.5A
3.95

Opponents

Alison ComfortCurrently on MARIN TC CW9.5B
4.82
Nicole BianchiCurrently on MT TAM RC 40MX8.0A
4.09
Combo rating 4.20 → 4.29Doubles result

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

Apr 24, 2026 · Doubles

Lost 6-7,6-2,0-1
−0.07

Karen’s side

Karen MackCurrently on OLYMPIC CW9.5A
4.27
Gwynne Rolla(partner)Currently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
4.29

Opponents

Katrina JessoeCurrently on SCOTT VALLEY CW8.5A
4.28
Amy Juang
4.52
Rating 4.44 → 4.37Doubles result
Best match
−0.07
Apr 24 vs K. Jessoe / A. Juang
Worst match
−0.10
May 21 vs D. Sabaris / C. Iwanchuk
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

Karen Mack’s MatchPoint NorCal tennis rating is 4.27, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on OLYMPIC 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+0.074.51
Pulled toward the 2025 year-end level+0.074.44

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