Teams

TIBURON PEN C 55AM9.0A

2026 ADULT 55&Over · Men 9.0

13 players · average NTRP 4.50 / NO. CALIFORNIA

No matches recorded for this roster in this league — it may be a placeholder registration, or the season may not have started.

View scouting list →
Schedule8 played
W#1 DoublesJeffrey Fisher / David Hultman vs Jason Duenas / Howard Schnirman6-1, 6-3
W#2 DoublesMarc Sondheimer / Clayton Flanagan vs Gerald Mehciz / Antonio Vigil2-2
2026-05-10vs MARIN TC 55AM9.0AWon 21
L#1 DoublesChristopher Colwell / Clayton Flanagan vs William Breck / William Dagley6-4, 2-2
W#2 DoublesKevin Erickson / Michel Seifer vs Yong Kim / Andrew Sohn6-3, 6-2
W#3 DoublesDavid Hultman / Jeff Urban vs Robert Ahearn / Michael Viani6-3, 6-2
2026-05-01vs MARIN TC 55AM9.0AWon 30
W#1 DoublesDavid Hultman / Jeff Urban vs Mike Downs / Andrew Loft6-4, 6-4
W#2 DoublesPolo Cowan / Jeffrey Webb vs William Breck / Andrew Sohn6-0, 7-6
W#3 DoublesClayton Flanagan / Kevin Keenley vs Yong Kim / Jonathan Lefferts5-7, 6-0, 1-0
W#1 DoublesKevin Erickson / Marc Sondheimer vs Antonio Vigil / Howard Schnirman6-0, 6-1
W#2 DoublesJeff Urban / Kevin Keenley vs Peter Magrini / Ken Westly6-4, 6-4
W#3 DoublesJon Auerbach / Jeffrey Fisher vs Jason Duenas / Gerald Mehciz6-1, 6-3
2026-04-13vs MARIN TC 55AM9.0AWon 21
W#1 DoublesJeffrey Fisher / Michel Seifer vs Christopher Brawer / William Dagley6-3, 4-6, 1-0
L#2 DoublesMarc Sondheimer / Jeff Urban vs Mike Downs / Andrew Loft1-6, 6-1, 0-1
W#3 DoublesPolo Cowan / Jeffrey Webb vs James Brandt / Andrew Sohn6-4, 6-1
W#1 DoublesKevin Erickson / Jeff Urban vs Gerald Mehciz / Jason Duenas6-0, 6-1
W#2 DoublesMarc Sondheimer / Jeffrey Webb vs Steven Colletto / Antonio Vigil6-2, 1-6, 1-0
W#3 DoublesJon Auerbach / Michel Seifer vs Howard Schnirman / Ken Westly6-0, 6-2
W#1 DoublesDavid Hultman / Eddy Marcum vs Rich Aguirre / Jason Duenas6-4, 6-1
W#2 DoublesMichel Seifer / Jeff Urban vs Steven Colletto / Howard Schnirman6-1, 6-1
L#3 DoublesJon Auerbach / Jeffrey Fisher vs Peter Magrini / Ken Westly3-6, 6-7
2026-03-19vs MARIN TC 55AM9.0AWon 30
W#1 DoublesMichel Seifer / Jeff Urban vs James Brandt / T Eric Lehto6-2, 6-3
W#2 DoublesChristopher Colwell / Kevin Erickson vs Michael Lustenberger / Michael Viani6-0, 6-2
W#3 DoublesJeffrey Fisher / Kevin Keenley vs Christopher Brawer / Andrew Loft6-4, 7-5
A tie can be incomplete. Tell us if someone is missing.
i
Grouped by tie — one fixture, several lines. A line shows only when a player on it is someone we have indexed, so an early-season tie for a newly-added team can look short. This also means the line count here will not match the header, which counts individual player appearances.
Flight standings14 teams · Men 9.0
TeamWLInd. WInd. LSets lostGames lost
1GOLD RIVER RC 55AM9.0A1002739124
2Corey Reich Tennis Center 55AM9.0A10024618207
3PENINSULA TC 55AM9.0A9124617190
4TIBURON PEN C 55AM9.0A802139130
5LOS GATOS SR 55AM9.0A64151534279
6UNIVERSITY CLUB PA 55AM9.0A55171331252
7MORAGA CC 55AM9.0A55131738272
8MARIN TC 55AM9.0A34101126198
9WALNUT CREEK RC/Walnut Creek TC 55AM9.0A36131432251
10SPARE TIME INDOOR TC 55AM9.0A37102043276
11AUBURN R and F 55AM9.0A2882249318
12PLEASANTON 55AM9.0A1872044307
13ROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A0721938243
14BAY CLUB COURTSIDE 55AM9.0A01042655334

Ordered by team wins, then losses, then sets lost — the order USTA uses to seed a flight. Individual wins are lines, not ties.

See the full flight, with every team’s record

ScoutingWhere each opponent usually plays

Signed-in extra: whether this captain plays strict strength order or mixes it up, from every doubles line they have put out. Create a free account to see it.

Roster averages 4.23 estimated across 11 rated players. No lineup is published in advance, so the column below is where each player has actually been used — a captain's habits are the best available forecast. Sign in and claim your record to see who you have played.

4.42
Michel Seifer
usually #2 Doubles 40%, also #1 Doubles 40% · published
4.37
David Hultman
usually #1 Doubles 75%, also #3 Doubles 25% · published 4.5
4.33
Christopher Colwell
usually #1 Doubles 50%, also #2 Doubles 50% · published 4.5
4.30
Eddy Marcum
usually #1 Doubles 100% · published
4.29
Kevin Keenley
usually #3 Doubles 67%, also #2 Doubles 33% · published
4.29
Kevin Erickson
usually #2 Doubles 50%, also #1 Doubles 50% · published
4.29
Jeffrey Fisher
usually #3 Doubles 60%, also #1 Doubles 40% · published
4.18
Clayton Flanagan
usually #2 Doubles 33%, also #1 Doubles 33% · published 4.5
4.16
Jeff Urban
usually #2 Doubles 43%, also #1 Doubles 43% · published
4.05
Jon Auerbach
usually #3 Doubles 100% · published
3.89
Jeffrey Webb
usually #2 Doubles 67%, also #3 Doubles 33% · published
Marc Sondheimer
usually #2 Doubles 75%, also #1 Doubles 25% · published
Polo Cowan
usually #3 Doubles 50%, also #2 Doubles 50% · published
Established pairs

Doubles pairs from this roster with three or more matches together anywhere — ordered by performance against what the rating gap predicted, not by record.

David Hultman + Jeff Urban5161% gamesnot enough data
Jeffrey Fisher + Jon Auerbach2354% gamesnot enough data
Michel Seifer + Jeff Urban404 matchesnot enough data
Roster

Ordered by our estimated dynamic rating, which is why two players at the same published level are not tied — a published 4.0 says nothing about where inside the band someone sits. Lines played in this team’s season are shown beside each name.

Michel Seifer
14W–0L career · 5 lines in 2026
<1%72%28%
4.42
4.5
David Hultman
10W–7L career · type A · 4 lines in 2026
<1%82%18%
4.37
4.5
Christopher Colwell
4W–2L career · 2 lines in 2026
1%87%12%
4.33
Eddy Marcum
3W–2L career · 1 line in 2026
1%90%8%
4.30
Kevin Keenley
6W–1L career · 3 lines in 2026
2%91%7%
4.29
Kevin Erickson
9W–7L career · 4 lines in 2026
2%91%7%
4.29
Jeffrey Fisher
8W–3L career · 5 lines in 2026
2%91%7%
4.29
4.5
Clayton Flanagan
3W–1L career · 3 lines in 2026
10%89%1%
4.18
Jeff Urban
17W–6L career · 7 lines in 2026
13%86%1%
4.16
Jon Auerbach
3W–3L career · 3 lines in 2026
37%63%<1%
4.05
Jeffrey Webb
6W–3L career · 3 lines in 2026
<1%79%21%
3.89
Marc Sondheimer
3W–1L career · 4 lines in 2026
not enough data
Polo Cowan
2W–0L career · 2 lines in 2026
not enough data

Three percentages are where each player stands right now: the chance they are below their band, inside it, or above it, on the way they are playing this season. The number on the right is our estimated dynamic rating, which USTA never publishes. This is today rather than a forecast of December, because a forecast has to assume future matches and cannot know whether someone will even be offered them. Percentages are blank where a player has too few matches this season, or at a level where the model does not yet beat a base-rate guess; the estimate is a weaker claim than a probability and survives where those do not.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.