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Player profile

Petra Jacobson: estimated dynamic rating

Petra Jacobson
USTA3.5
Rafael RC
3.47
Estimated dynamic rating
▲ +0.13 this season
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Mixed · 2026
4 matches
3.483.403.31
Oct · 3.37
Oct · 3.36
Oct 25 · Doubles+0.05
W R. Spiegel / R. Holland
7-5,3-6,1-0 · 1D · with Phil Neal
Your mixed rating, from mixed matches only. It doesn’t move your 3.47.● 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

16 matches

Published NorCal results in 2026 — 6 scoring, 10 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 25, 2026 · Doubles · 1D · Mixed

Won 7-5,3-6,1-0
+0.05

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.36
Phil Neal(partner)Currently on RAFAEL RC 55MX8.0A
3.60

Opponents

Rona SpiegelCurrently on CANON S and TC 55MX7.0A
3.16
Rick HollandCurrently on CANON S and TC 55MX7.0A
2.97
Mixed rating 3.31 → 3.36Doubles result

Oct 24, 2026 · Doubles · 3D · Combo

Won 6-4,1-6,1-0
+0.07

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Cheryl Clark(partner)Currently on RAFAEL RC CW7.5A
3.09

Opponents

Rona SpiegelCurrently on CANON S and TC 55MX7.0A
3.12
Melinda WhitmoreCurrently on BOYLE PK CW7.5A-DT
3.39
Combo rating 3.40 → 3.47Doubles result

Oct 17, 2026 · Doubles · 1D · Mixed

Lost 5-7,6-7
−0.08

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.36
Phil Neal(partner)Currently on RAFAEL RC 55MX8.0A
3.60

Opponents

Sarah FonkalsrudCurrently on RAFAEL RC CW7.5A
3.55
Roland DavantesCurrently on RAFAEL RC CM7.5A
3.49
Mixed rating 3.39 → 3.31Doubles result

Oct 11, 2026 · Doubles · 2D · Combo

Lost 3-6,2-6
−0.06

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Jamie Bartell(partner)Currently on RAFAEL RC CW7.5A
3.15

Opponents

Lucia WallaceCurrently on PETALUMA TA/CASA GRANDE HS CW8.5A
3.85
Tori HerzogCurrently on BOYLE PK CW7.5A-DT
3.59
Combo rating 3.46 → 3.40Doubles result

Oct 10, 2026 · Doubles · 1D · Mixed

Lost 6-4,2-6,0-1
−0.09

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.36
Roger Benson(partner)Currently on RAFAEL RC 55MX7.0B
3.17

Opponents

Brian KaplanCurrently on NOVATO TC/PIONEER PK 55MX7.0A
3.40
Stacey KaplanCurrently on NOVATO TC/PIONEER PK 55MX7.0A
3.57
Mixed rating 3.48 → 3.39Doubles result

Oct 4, 2026 · Doubles · 2D · Mixed

Won 6-1,6-4
+0.12

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.36
Stewart Clark(partner)Currently on RAFAEL RC CM7.5A
3.45

Opponents

Bill DenlerCurrently on MT TAM RC 55MX7.0A
3.36
Robin InabaCurrently on MT TAM RC 55MX7.0A
3.22
Mixed rating 3.37 → 3.48Doubles result

Jun 13, 2026 · Doubles · Combo

Won 7-6,6-2
+0.14

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Susan Ginwala(partner)Currently on RAFAEL RC CW7.5A
3.57

Opponents

Tori HerzogCurrently on BOYLE PK CW7.5A-DT
3.59
Nancy TuhtanCurrently on BOYLE PK CW6.5A
3.44
Combo rating 3.31 → 3.46Doubles result

May 29, 2026 · Doubles

Won 7-5,3-6,1-0
+0.16

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Ashley Hellyer(partner)Currently on RAFAEL RC CW7.5A
3.30

Opponents

Wendy FraserCurrently on TIBURON PEN C 55MX7.0A
3.52
Jennie RobinCurrently on SCOTT VALLEY CW7.5A-DT
3.71
Rating 3.31 → 3.47Doubles result

May 18, 2026 · Doubles

Lost 3-6,6-3,0-1
−0.09

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Meredith Pavia(partner)Currently on RAFAEL RC CW7.5A
3.58

Opponents

Winnie TsoCurrently on ROLLING HILLS CW7.5A-DT
3.73
Emily GreenCurrently on ROLLING HILLS CW7.5A
3.25
Rating 3.40 → 3.31Doubles result

May 17, 2026 · Singles

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

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47

Opponents

Elizabeth LougeeCurrently on TENNIS COALITION SF/GOLDMAN TC CW7.5A-DT
3.57
Rating 3.28 → 3.40Singles result

May 9, 2026 · Singles

Lost 3-6,1-6
−0.12

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47

Opponents

Victoria TuckerCurrently on TIBURON PEN C CW7.5A
3.60
Rating 3.40 → 3.28Singles result

May 8, 2026 · Singles

Lost 5-7,3-6
−0.17

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47

Opponents

Erin MettilleCurrently on TIBURON PEN C CW7.5A
3.44
Rating 3.57 → 3.40Singles result

Apr 26, 2026 · Doubles · Combo

Won 3-6,6-3,1-0
+0.04

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Sarah Finley(partner)Currently on RAFAEL RC CW7.5A
3.34

Opponents

Dena McnultyCurrently on GOLDEN GATEWY CW7.5B
3.24
Jackie KeelanCurrently on GOLDEN GATEWY CW7.5B
3.25
Combo rating 3.19 → 3.24Doubles result

Apr 23, 2026 · Doubles · Combo

Lost 5-7,3-6
−0.14

Petra’s side

Petra JacobsonCurrently on RAFAEL RC CW7.5A
3.47
Cheryl Clark(partner)Currently on RAFAEL RC CW7.5A
3.09

Opponents

Mary SchattenbergCurrently on MT TAM RC 55MX7.0A
3.25
Sheri YuCurrently on MT TAM RC CW7.5A
3.70
Combo rating 3.33 → 3.19Doubles 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 4 vs B. Denler / R. Inaba
Worst match
−0.09
Oct 10 vs B. Kaplan / S. Kaplan
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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level−0.053.29
Pulled toward the 2025 year-end level−0.073.49

More about Petra

Petra Jacobson has been a USTA NorCal 3.5 since 2017, after starting at 3.0 in 2004. The estimated dynamic rating is 3.47, up 0.13 this season, with a 10–7 record in 2026 across regular, combo and mixed play. Most frequent partner: Jennifer Rice, 4–1 in 5 matches together.

Record

10–7
2026 season, 17 matches
16–17
2025 season, 33 matches
4
Longest winning streak
13–8
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, 2004–2026

3.0 in 2004, 3.5 in 2005, 3.0 in 2006, 3.5 from 2007 to 2014, 4.0 in 2015 and 3.5 from 2017 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.

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