MatchPoint

Player profile

Jay Gierak: estimated dynamic rating

Jay Gierak
USTA4.5
NorCal league player
4.39
Estimated dynamic rating
▼ −0.05 this season

Active teams

No active team listing yet.

2026
1 match
4.474.434.39
Mar · 4.47
Mar · 4.39
Mar 12 · Doubles−0.08
L R. Lamour / J. Lu
5-7,3-6 · with Michael Gross
● 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

1 match

Published NorCal league results in 2026.

Mar 12, 2026 · Doubles

Lost 5-7,3-6
−0.08

Jay’s side

Michael Gross(partner)Currently on GOLDMAN TC CM8.5A
4.31

Opponents

Rob LamourCurrently on GOLDMAN TC CM8.5A
4.67
Justin LuCurrently on FOSTER CITY TC/EDGEWATER PK CM8.5A
4.54
Rating 4.47 → 4.39Doubles result
Best match
−0.08
Mar 12 vs R. Lamour / J. Lu
Worst match
−0.08
Mar 12 vs R. Lamour / J. Lu
Where you started ›4.44
2022 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 Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level+0.024.46
Pulled toward the 2025 year-end level+0.014.47

More about Jay

Jay Gierak is a USTA NorCal 4.5 in 2026, down from 4.5 in 2024. The estimated dynamic rating is 4.39, down 0.05 this season, with a 0–1 record in 2026.

Record

0–1
2026 season, 1 match

Partners

Year-end NTRP, 2021–2026

4.5 from 2021 to 2022, 4.5 in 2024 and 4.5 in 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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