MatchPoint

Player profile

Katie Pietrowski: estimated dynamic rating

Katie Pietrowski
USTA3.5
Green Valley CC
3.14
Estimated dynamic rating
▲ +0.35 this season
Is this you?Track your rating after each match, plus your teams' standings and playoff chances.This is me ›
Combo · 2026
2 matches
3.293.193.08
Sep · 3.08
Oct · 3.29
Oct 28 · Doubles+0.12
W G. Spencer / P. Moore
6-4,2-6,1-0 · 3D · with Christine Machado
Your combo rating, from combo matches only. It doesn’t move your 3.14.● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.

Current season

13 matches

Published NorCal results in 2026 — 10 scoring, 3 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 28, 2026 · Doubles · 3D · Combo

Won 6-4,2-6,1-0
+0.12

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.29
Christine Machado(partner)Currently on GREEN VALLEY CC CW6.5A
3.23

Opponents

Gloria SpencerCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.53
Pamela MooreCurrently on SOLANO TA/CENTENNIAL PRK CW6.5B
3.00
Combo rating 3.17 → 3.29Doubles result

Sep 27, 2026 · Doubles · 2D · Combo

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

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.29
Gail Chin(partner)Currently on GREEN VALLEY CC CW6.5A
2.89

Opponents

Debra ListerCurrently on SOLANO TA/CENTENNIAL PRK CW6.5B
3.04
Andrea Li Fen HsuCurrently on SOLANO TA/CENTENNIAL PRK CW6.5B
3.11
Combo rating 3.08 → 3.17Doubles result

Jun 25, 2026 · Doubles · Mixed

Lost 5-7,1-6
−0.09

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.09
Niazi Alzouhbi(partner)Currently on GREEN VALLEY CC CM7.5A
3.33

Opponents

Louis Lin
3.53
Iris MarquezCurrently on SOLANO TA/CENTENNIAL PRK CW6.5A
3.23
Mixed rating 3.19 → 3.09Doubles result

Jun 9, 2026 · Doubles

Lost 7-5,1-6,0-1
−0.04

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.14
Maureen Dugoni(partner)Currently on GREEN VALLEY CC CW6.5A
3.08

Opponents

Annika FischerCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5A
3.42
Brie CadmanCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5A
3.46
Rating 3.18 → 3.14Doubles result

May 24, 2026 · Doubles

Won 6-3,6-4
+0.20

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.14
Paige Mcconlogue(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.44

Opponents

Jennifer CarusoCurrently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.47
Edlira MuratasCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5B
3.32
Rating 3.10 → 3.31Doubles result

May 2, 2026 · Doubles

Lost 6-2,4-6,0-1
−0.09

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.14
Paige Mcconlogue(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.44

Opponents

Lory MorarCurrently on STONEGATE CC CW7.5A-DT
3.17
Gloria SpencerCurrently on SOLANO TA/CENTENNIAL PRK CW7.5A
3.28
Rating 3.10 → 3.01Doubles result

Apr 16, 2026 · Doubles

Lost 3-6,0-6
−0.09

Katie’s side

Katie PietrowskiCurrently on GREEN VALLEY CC CW6.5A
3.14
Courtney Bock(partner)Currently on WALNUT CREEK RC/Walnut Creek TC CW7.5C
3.32

Opponents

Annika FischerCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5A
3.42
Lindsey LevineCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5A
3.17
Rating 3.02 → 2.93Doubles result

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

Best match
+0.12
Oct 28 vs G. Spencer / P. Moore
Worst match
+0.09
Sep 27 vs D. Lister / A. Hsu
Where you started ›2.79
2023 year-end NTRP 3.02.65
Scale calibration+0.14
Season start2.79
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level−0.102.69
Pulled toward the 2025 year-end level+0.103.08

More about Katie

Katie Pietrowski has been a USTA NorCal 3.5 since 2025, after starting at 3.0 in 2019. The estimated dynamic rating is 3.14, up 0.35 this season, with a 6–7 record in 2026 across regular, combo and mixed play. Most frequent partner: Laura R Dougherty, 3–2 in 5 matches together.

Record

6–7
2026 season, 13 matches
10–11
2025 season, 21 matches
3
Longest winning streak
9–10
Matches that went to a third set or match tiebreak

Partners

Best wins

Against the highest-rated opponents by year-end NTRP, this season and last.

Year-end NTRP, 2019–2026

3.0 from 2019 to 2024 and 3.5 from 2025 to 2026.

MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.

Is this you, Katie?

Track your rating after each match.

Who you played, their ratings and what it did to yours, plus each team's standings and playoff chances. Free. Pick your name once to start.

This is me

Captain a team?

Win more matches with less captain work.

Use ratings, availability, and opponent context to build better lineups—and get your time back.

Set up my team