The Tennis Desk

TIBURON PEN C 55AM9.0A

Adult 55 & Over Mens 9.0 · Marin · 2026 · TIBURON PENINSULA CLUB

League table (unofficial)
1st of 3
Regular season
8-0
Playoffs
1-0
Sectionals 1-2

Does my match count?

Roster

Desk level · October 29Last 5
Polo Cowan5.0s4.95 2-0
Michel Seifer4.5C4.64 6-1
David Hultman4.5A4.63 5-0
Christopher Colwell4.5C4.53 2-2 5 lines
Kevin Erickson4.5C4.47 6-2
Eddy Marcum4.5C4.38 1-1 3 lines
Jeff Urban4.5C4.38 8-3
Jeffrey Fisher4.5C4.37 5-2
Marc Sondheimer4.5s4.33 5-2
Clayton Flanagan4.5C4.32 2-3
Kevin Keenley4.5C4.30 3-0
Jon Auerbach4.5C4.12 2-2 5 lines
Jeffrey Webb4.0C4.07 3-0 4 lines

See this roster by playing level

Rosters in this league, in table order

What each row says

TIBURON PEN C 55AM9.0A, 1st in the published standings. The middle half of this roster runs from NTRP 4.5 to NTRP 5.0. Its 6th highest level sits in NTRP 4.5.

MARIN TC 55AM9.0A, 2nd in the published standings. The middle half of this roster sits in NTRP 4.5. Its 6th highest level sits in NTRP 4.5.

ROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A, 3rd in the published standings. The middle half of this roster runs from NTRP 4.0 to NTRP 4.5. Its 6th highest level sits in NTRP 4.5.

Team matches

L July 12 home v GOLD RIVER RC · A Sectionals 0-3
LineScoreTIBURON PEN C 55AM9.0AGOLD RIVER RC 55AM9.0A
Doubles 1L 1-6, 3-6Kevin Erickson / Jeff UrbanDave Hagiwara / Mark Obrochta
Doubles 2L 3-6, 1-6Jon Auerbach / Michel SeiferShawn Hayes / Kendall Homer
Doubles 3L 7-5, 2-3Jeffrey Fisher / Clayton FlanaganMichael Kiskinen / Venu Mullapudi
W July 11 away v LOS GATOS SR · A Sectionals 2-1
LineScoreTIBURON PEN C 55AM9.0ALOS GATOS SR 55AM9.0A
Doubles 1W 7-6, 6-2Christopher Colwell / Jeffrey FisherMike Ryan / Thomas Krulevitch
Doubles 2L 6-7, 2-2Jeff Urban / Eddy MarcumBruno Vitali / Stephen Noel
Doubles 3W 7-5, 6-3Kevin Erickson / Marc SondheimerAnand Vasudev / David Darmitzel
L July 11 away v Corey Reich Tennis Center · A Sectionals 1-2
LineScoreTIBURON PEN C 55AM9.0ACorey Reich Tennis Center 55AM9.0A
Doubles 1W 7-5, 6-4Michel Seifer / Jeff UrbanCurtis Dunn / Paul Gee
Doubles 2L 4-6, 4-6Kevin Erickson / Marc SondheimerJeff MacHle / David Richmond
Doubles 3L 5-7, 3-6Christopher Colwell / Clayton FlanaganDavid Chang / Craig Lazarchik
W June 14 home v MARIN TC Playoffs 3-0
LineScoreTIBURON PEN C 55AM9.0AMARIN TC 55AM9.0A
Doubles 1W 6-2, 6-4David Hultman / Jeff UrbanChristopher Brawer / Michael Lustenberger
Doubles 2W 6-2, 4-6, 1-0Kevin Erickson / Marc SondheimerRobert Ahearn / Mike Downs
Doubles 3 6-0, 6-0Jon Auerbach / Jeffrey Webb—
W May 17 home v ROHNERT PK TC/MAGNOLIA/M PK 3-0
LineScoreTIBURON PEN C 55AM9.0AROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A
Doubles 1W 6-1, 6-3Jeffrey Fisher / David HultmanJason Duenas / Howard Schnirman
Doubles 2W 2-2Marc Sondheimer / Clayton FlanaganGerald Mehciz / Antonio Vigil
Doubles 3 6-0, 6-0Eddy Marcum / Christopher Colwell—
W May 10 home v MARIN TC 2-1
LineScoreTIBURON PEN C 55AM9.0AMARIN TC 55AM9.0A
Doubles 1L 4-6, 2-2Christopher Colwell / Clayton FlanaganWilliam Breck / William Dagley
Doubles 2W 6-3, 6-2Kevin Erickson / Michel SeiferYong Kim / Andrew Sohn
Doubles 3W 6-3, 6-2David Hultman / Jeff UrbanRobert Ahearn / Michael Viani
W May 1 home v MARIN TC 3-0
LineScoreTIBURON PEN C 55AM9.0AMARIN TC 55AM9.0A
Doubles 1W 6-4, 6-4David Hultman / Jeff UrbanMike Downs / Andrew Loft
Doubles 2W 6-0, 7-6Polo Cowan / Jeffrey WebbWilliam Breck / Andrew Sohn
Doubles 3W 5-7, 6-0, 1-0Clayton Flanagan / Kevin KeenleyYong Kim / Jonathan Lefferts
W April 18 away v ROHNERT PK TC/MAGNOLIA/M PK 3-0
LineScoreTIBURON PEN C 55AM9.0AROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A
Doubles 1W 6-0, 6-1Kevin Erickson / Marc SondheimerAntonio Vigil / Howard Schnirman
Doubles 2W 6-4, 6-4Jeff Urban / Kevin KeenleyPeter Magrini / Ken Westly
Doubles 3W 6-1, 6-3Jon Auerbach / Jeffrey FisherJason Duenas / Gerald Mehciz
W April 13 away v MARIN TC 2-1
LineScoreTIBURON PEN C 55AM9.0AMARIN TC 55AM9.0A
Doubles 1W 6-3, 4-6, 1-0Jeffrey Fisher / Michel SeiferChristopher Brawer / William Dagley
Doubles 2L 1-6, 6-1, 0-1Marc Sondheimer / Jeff UrbanMike Downs / Andrew Loft
Doubles 3W 6-4, 6-1Polo Cowan / Jeffrey WebbJames Brandt / Andrew Sohn
W March 29 home v ROHNERT PK TC/MAGNOLIA/M PK 3-0
LineScoreTIBURON PEN C 55AM9.0AROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A
Doubles 1W 6-0, 6-1Kevin Erickson / Jeff UrbanGerald Mehciz / Jason Duenas
Doubles 2W 6-2, 1-6, 1-0Marc Sondheimer / Jeffrey WebbSteven Colletto / Antonio Vigil
Doubles 3W 6-0, 6-2Jon Auerbach / Michel SeiferHoward Schnirman / Ken Westly
W March 21 away v ROHNERT PK TC/MAGNOLIA/M PK 2-1
LineScoreTIBURON PEN C 55AM9.0AROHNERT PK TC/MAGNOLIA/M PK 55AM9.0A
Doubles 1W 6-4, 6-1David Hultman / Eddy MarcumRich Aguirre / Jason Duenas
Doubles 2W 6-1, 6-1Michel Seifer / Jeff UrbanSteven Colletto / Howard Schnirman
Doubles 3L 3-6, 6-7Jon Auerbach / Jeffrey FisherPeter Magrini / Ken Westly
W March 19 away v MARIN TC 3-0
LineScoreTIBURON PEN C 55AM9.0AMARIN TC 55AM9.0A
Doubles 1W 6-2, 6-3Michel Seifer / Jeff UrbanJames Brandt / T Eric Lehto
Doubles 2W 6-0, 6-2Christopher Colwell / Kevin EricksonMichael Lustenberger / Michael Viani
Doubles 3W 6-4, 7-5Jeffrey Fisher / Kevin KeenleyChristopher Brawer / Andrew Loft

Tennis Desk Research: Does the home team really win more? · 1 more

34 other TIBURON PENINSULA CLUB teams in 2026

See each line's win chance