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Player profile

Michael Callahan: estimated dynamic rating

Michael Callahan
USTA4.0
Ladera Oaks
3.67
Estimated dynamic rating
▲ +0.33 this season
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Combo · 2026
4 matches
3.873.743.61
Sep · 3.61
Oct · 3.87
Oct 25 · Doubles+0.06
W P. Vuong / E. Chu
6-2,6-7,1-0 · 1D · with Benito Barillas
Your combo rating, from combo matches only. It doesn’t move your 3.67.● 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

12 matches

Published NorCal results in 2026 — 3 scoring, 9 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 25, 2026 · Doubles · 1D · Combo

Won 6-2,6-7,1-0
+0.06

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.87
Benito Barillas(partner)Currently on LADERA OAKS CM7.5A
3.20

Opponents

Paul VuongCurrently on CUBBERLEY CM7.5A
3.52
Eric ChuCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CM7.5A
3.55
Combo rating 3.82 → 3.87Doubles result

Oct 18, 2026 · Doubles · 2D · Combo

Won 6-4,6-3
+0.09

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.87
Alex Terry(partner)Currently on SAN CARLOS TC/ARGUELLO PK CM7.5A
3.39

Opponents

Hyondeuk KimCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5B
3.59
Richard ZhaoCurrently on SAN CARLOS TC/ARGUELLO PK CM6.5B
3.58
Combo rating 3.73 → 3.82Doubles result

Oct 11, 2026 · Doubles · 2D · Mixed

Won 6-1,6-2
+0.15

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.52
Dana Weintraub(partner)Currently on LADERA OAKS 55MX8.0A
3.34

Opponents

Kimberly MotznyCurrently on LOS GATOS SR S70W8.0A
3.45
Stephen SprayCurrently on CUPERTINO TC/CUPERTINO SC CM7.5B
3.51
Mixed rating 3.37 → 3.52Doubles result

Oct 4, 2026 · Doubles · 2D · Combo

Won 6-4,4-6,1-0
+0.05

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.87
Corey Levens(partner)Currently on LADERA OAKS CM7.5A
3.47

Opponents

Haihua YanCurrently on SUNNYVALE MTC CM8.5D
3.71
Huican ZhuCurrently on RINCONADA PK CM7.5B
3.20
Combo rating 3.68 → 3.73Doubles result

Oct 1, 2026 · Doubles · 1D · Mixed

Lost 2-6,4-6
−0.04

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.52
Gabrielle Whelan(partner)Currently on SAN CARLOS TC/ARGUELLO PK CW7.5B
3.51

Opponents

Amy DaiCurrently on SUNNYVALE MTC CW8.5E
3.96
Guangyu XuCurrently on RINCONADA PK 55MX8.0A
3.80
Mixed rating 3.41 → 3.37Doubles result

Sep 10, 2026 · Doubles · 1D · Combo

Won 3-6,6-4,1-0
+0.06

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.87
Alex Terry(partner)Currently on SAN CARLOS TC/ARGUELLO PK CM7.5A
3.39

Opponents

Octavio FarfanCurrently on MORGAN HILL TC/MORGAN HILL TC CM8.5A
3.68
Daniel HoulbrookCurrently on SUNNYVALE TC/SUNNYVALE MTC CM6.5D
3.45
Combo rating 3.61 → 3.68Doubles result

Jun 27, 2026 · Doubles · Mixed

Lost 3-6,6-7
−0.05

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.52
Dana Weintraub(partner)Currently on LADERA OAKS 55MX8.0A
3.34

Opponents

Tao JinCurrently on RINCONADA PK CM8.5A
3.83
Donna BlyshakCurrently on SUNNYVALE MTC CW7.5C-DT
3.67
Mixed rating 3.48 → 3.43Doubles result

Jun 13, 2026 · Doubles · Mixed

Lost 3-6,6-7
−0.07

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.52
Heather Wolfe(partner)Currently on LADERA OAKS 55MX8.0A
3.47

Opponents

Veronique MiroCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A
3.86
Bob KamangarCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A
3.69
Mixed rating 3.55 → 3.48Doubles result

Feb 22, 2026 · Doubles

Lost 5-7,5-7
−0.07

Michael’s side

Michael CallahanCurrently on LADERA OAKS CM7.5A
3.67
Jake Nunn(partner)Currently on LADERA OAKS CM7.5A
3.87

Opponents

Omar Al-Jadda
3.92
Eddie LeeCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5B
3.70
Rating 3.63 → 3.57Doubles result

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

Best match
+0.09
Oct 18 vs H. Kim / R. Zhao
Worst match
+0.05
Oct 4 vs H. Yan / H. Zhu
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+0.163.50
Pulled toward the 2025 year-end level+0.143.63

More about Michael

Michael Callahan is a USTA NorCal 4.0 in 2026, down from 4.0 in 2024. The estimated dynamic rating is 3.67, up 0.33 this season, with a 6–6 record in 2026 across regular, combo and mixed play. Most frequent partner: Dana Weintraub, 1–7 in 8 matches together.

Record

6–6
2026 season, 12 matches
1–5
2025 season, 6 matches
4
Longest winning streak
3–0
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, 2010–2026

3.5 in 2010, 3.5 in 2012, 3.5 in 2023, 4.0 in 2024 and 4.0 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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