MatchPoint

Player profile

Katie Diemer: estimated dynamic rating

Katie Diemer
USTA3.0
San Jose SR
2.54
Estimated dynamic rating
▼ −0.25 this season
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Combo · 2026
3 matches
2.542.472.40
Sep · 2.54
Oct · 2.40
Oct 28 · Doubles−0.02
L T. Huang / Y. Hong
5-7,0-6 · 2D · with Tomomi Albert
Your combo rating, from combo matches only. It doesn’t move your 2.54.● 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

3 matches

Published NorCal results in 2026 — 0 scoring, 3 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 28, 2026 · Doubles · 2D · Combo

Lost 5-7,0-6
−0.02

Katie’s side

Katie DiemerCurrently on SAN JOSE SR CW6.5A
2.40
Tomomi Albert(partner)Currently on SAN JOSE SR CW6.5A
2.72

Opponents

Terry HuangCurrently on SUNNYVALE MTC CW6.5E
3.33
Yan HongCurrently on SUNNYVALE MTC CW6.5E
2.88
Combo rating 2.42 → 2.40Doubles result

Sep 26, 2026 · Doubles · 3D · Combo

Lost 2-6,1-6
−0.08

Katie’s side

Katie DiemerCurrently on SAN JOSE SR CW6.5A
2.40
Maria Montes(partner)Currently on SAN JOSE SR CW6.5A
2.73

Opponents

Janet LumCurrently on VILLAGES GCC S70W7.0A
3.03
Adelaide WangCurrently on SUNNYVALE MTC CW6.5A
2.59
Combo rating 2.50 → 2.42Doubles result

Sep 12, 2026 · Doubles · 2D · Combo

Lost 0-6,1-6
−0.04

Katie’s side

Katie DiemerCurrently on SAN JOSE SR CW6.5A
2.40
Katharine Heintz(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC 55MX7.0A
2.86

Opponents

Terry HuangCurrently on SUNNYVALE MTC CW6.5E
3.33
Yan HongCurrently on SUNNYVALE MTC CW6.5E
2.88
Combo rating 2.54 → 2.50Doubles result

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

Best match
−0.02
Oct 28 vs T. Huang / Y. Hong
Worst match
−0.08
Sep 26 vs J. Lum / A. Wang
▲
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+0.092.88
Pulled toward the 2025 year-end level+0.132.54

More about Katie

Katie Diemer has been a USTA NorCal 3.0 since 2024. The estimated dynamic rating is 2.54, down 0.25 this season, with a 0–3 record in 2026 in combo play. Most frequent partner: Lana Tsoy, 0–3 in 3 matches together.

Record

0–3
2026 season, 3 matches
0–6
2025 season, 6 matches

Partners

Year-end NTRP, 2024–2025

3.0 from 2024 to 2025.

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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