Jon Auerbach

NTRP rating 4.5C · 2 teams in 2026

Level

Desk level 4.32

The level is a Desk level as of the data run. It is The Tennis Desk's estimate of how the player is playing now, on the NTRP scale to two decimals. It is not an NTRP rating. The small chart beside the level is the rated lines in 2026.

Record

Year	Lines	Won-lost	Singles	Doubles
2026	7	3-4	—	3-4
2025	6	4-2	—	4-2
2024	1	1-0	—	1-0
2023	8	2-6	—	2-6
2022	23	20-3	—	20-3

League	Year	Won-lost
Adult 40 & Over Mens 4.5	2026	1-2
Adult 55 & Over Mens 9.0	2026	2-2
Adult 40 & Over Mens 4.5	2025	4-2
Adult 40 & Over Mens 4.5	2024	1-0
Adult 18 & Over Mens 4.5	2023	1-2
Combo Mens League 8.5	2023	0-2
Mixed 18 & Over 8.0	2023	1-2
Adult 18 & Over Mens 4.0 1	2022	4-1
Adult 40 & Over Mens 4.0 2	2022	5-1
Adult 55 & Over Mens 9.0	2022	7-1
Combo Mens League 8.5	2022	4-0

Teams

2026

TIBURON PEN C · Adult 40 & Over Mens 4.5 · NTRP rating 4.5C · roster record 1-2 in 3 lines
TIBURON PEN C · Adult 55 & Over Mens 9.0 · NTRP rating 4.5C · roster record 2-2 in 5 lines

2025

TIBURON PEN C · Adult 40 & Over Mens 4.5 · NTRP rating 4.5C · roster record 4-2 in 6 lines

2024

TIBURON PEN C · Adult 40 & Over Mens 4.5 · NTRP rating 4.5C · roster record 1-0 in 1 line

2023

BELVEDERE TC · Mixed 18 & Over 8.0 · NTRP rating 4.5C · roster record 1-2 in 3 lines
TIBURON PEN C · Adult 18 & Over Mens 4.5 · NTRP rating 4.5C · roster record 1-2 in 3 lines
TIBURON PEN C · Combo Mens League 8.5 · NTRP rating 4.5C · roster record 0-2 in 2 lines

2022

TIBURON PEN C · Adult 18 & Over Mens 4.0 1 · NTRP rating 4.0C · roster record 4-1 in 5 lines
TIBURON PEN C · Adult 40 & Over Mens 4.0 2 · NTRP rating 4.0C · roster record 5-1 in 6 lines
TIBURON PEN C · Adult 55 & Over Mens 9.0 · NTRP rating 4.0C · roster record 7-1 in 8 lines
TIBURON PEN C · Combo Mens League 8.5 · NTRP rating 4.0C · roster record 4-0 in 4 lines

Match log

Team match	Partner	Opponents
July 12, 2026 · Doubles 2 · SectionalsL6-3, 6-1
TIBURON PEN C v GOLD RIVER RC Adult 55 & Over Mens 9.0	Michel Seifer	Shawn Hayes, Kendall Homer
April 18, 2026 · Doubles 3W6-1, 6-3
ROHNERT PK TC/MAGNOLIA/M PK v TIBURON PEN C Adult 55 & Over Mens 9.0	Jeffrey Fisher	Jason Duenas, Gerald Mehciz
March 29, 2026 · Doubles 3W6-0, 6-2
TIBURON PEN C v ROHNERT PK TC/MAGNOLIA/M PK Adult 55 & Over Mens 9.0	Michel Seifer	Howard Schnirman, Ken Westly
March 21, 2026 · Doubles 3L6-3, 7-6
ROHNERT PK TC/MAGNOLIA/M PK v TIBURON PEN C Adult 55 & Over Mens 9.0	Jeffrey Fisher	Peter Magrini, Ken Westly
March 4, 2026 · Doubles 3W6-0, 6-4
MARIN TC v TIBURON PEN C Adult 40 & Over Mens 4.5	Jeffrey Fisher	Kevin Dufficy, Drew McCrary
February 7, 2026 · Doubles 3L6-3, 6-3
ROHNERT PK TC/MAGNOLIA/M PK v TIBURON PEN C Adult 40 & Over Mens 4.5	Jeffrey Fisher	Timothy Barlow, Ricky Herzog
January 18, 2026 · Doubles 2L2-6, 6-4, 1-0
TIBURON PEN C v MILL VALLEY Adult 40 & Over Mens 4.5	Jeffrey Fisher	Andrew Mercy, Paul Stiff
May 10, 2025 · Doubles 3 · SectionalsW6-2, 6-2
TIBURON PEN C v FREMONT TC Adult 40 & Over Mens 4.5	Andre Mancl	Aaron Menezes, Selvam Doraisamy
April 6, 2025 · Doubles 2 · PlayoffsL6-2, 6-3
TIBURON PEN C v ROHNERT PK TC/MAGNOLIA/M PK Adult 40 & Over Mens 4.5	Andre Mancl	Cory Fulchiron, Steven Colletto
February 23, 2025 · Doubles 3W6-3, 7-6
FLYTE RC v TIBURON PEN C Adult 40 & Over Mens 4.5	David Von Stroh	Chris Neal, Moses Gittens
February 15, 2025 · Doubles 2W6-4, 5-7, 1-0
TIBURON PEN C v MARIN TC Adult 40 & Over Mens 4.5	Jeffrey Fisher	Steve Schreck, Erik Sunden
January 26, 2025 · Doubles 2W6-3, 6-1
TIBURON PEN C v MILL VALLEY Adult 40 & Over Mens 4.5	Michel Seifer	Steven Morrow, Larry Smith
January 10, 2025 · Doubles 3L6-4, 6-4
MARIN TC v TIBURON PEN C Adult 40 & Over Mens 4.5	Andre Mancl	Kushal Chakrabarty, Benjamin Srour
January 14, 2024 · Doubles 2W5-7, 6-3, 1-0
MILL VALLEY v TIBURON PEN C Adult 40 & Over Mens 4.5	Jeffrey Fisher	Larry Smith, Paul Stiff
October 21, 2023 · Doubles 2L6-7, 6-3, 1-0
TIBURON PEN C v ROLLING HILLS Combo Mens League 8.5	Christopher Kim	Ryan Smith, Andrew Hoppe
October 14, 2023 · Doubles 2L6-0, 6-0
MILL VALLEY v TIBURON PEN C Combo Mens League 8.5	Jeff Barcy	Kevin Knowles, Joe Hiti
June 11, 2023 · Doubles 2L6-4, 4-6, 1-0
TIBURON PEN C v MILL VALLEY Adult 18 & Over Mens 4.5	Matthew Ockner	Jim Humes, Mike Natenshon
June 10, 2023 · Doubles 1L6-3, 6-3
TIBURON PEN C v MARIN TC Adult 18 & Over Mens 4.5	Jeffrey Webb	Mike Downs, Jeffery Birkenseer
May 28, 2023 · Doubles 2W6-4, 6-4
TIBURON PEN C v MARINWOOD COMM CTR Adult 18 & Over Mens 4.5	Paul Bressie	Graves Englund, Eddy Chen
March 5, 2023 · Doubles 3L3-6, 6-2, 1-0
BELVEDERE TC v RAFAEL RC Mixed 18 & Over 8.0	Sara Byrne	Elizabeth Notti, Jason Bousquet
March 2, 2023 · Doubles 3L6-4, 7-6
BELVEDERE TC v ROLLING HILLS Mixed 18 & Over 8.0	Laura Zhang	Trevor Scotto, MuMu DeLong
February 25, 2023 · Doubles 3W6-3, 6-3
ROLLING HILLS v BELVEDERE TC Mixed 18 & Over 8.0	Laura Zhang	Ara Hamamjian, MuMu DeLong
November 2, 2022 · Doubles 2W5-7, 6-2, 1-0
TIBURON PEN C v MARIN TC Combo Mens League 8.5	Andre Mancl	Chris Trepte, Michael Lustenberger
October 16, 2022 · Doubles 1W6-1, 6-2
ROLLING HILLS v TIBURON PEN C Combo Mens League 8.5	Michel Seifer	Dallas DeKeyrel, Andrew Hoppe
October 1, 2022 · Doubles 2W5-7, 7-6, 1-0
MARINWOOD COMM CTR v TIBURON PEN C Combo Mens League 8.5	Michel Seifer	Christopher Garsia, Nicholas Spelta
September 24, 2022 · Doubles 1W6-0, 6-1
HARBOR PT v TIBURON PEN C Combo Mens League 8.5	Christopher Colwell	Brian Fraim, Fried Joshua
July 30, 2022 · Doubles 1 · SectionalsW6-4, 6-3
TIBURON PEN C v GOLD RIVER RC Adult 55 & Over Mens 9.0	Polo Cowan	David Hardern, Michael Bedard
July 29, 2022 · Doubles 2 · SectionalsL6-4, 4-6, 1-0
DAVIE STADIUM v TIBURON PEN C Adult 55 & Over Mens 9.0	Polo Cowan	Rick Kepler, Brian Barlay
July 29, 2022 · Doubles 1 · SectionalsW7-6, 6-1
TIBURON PEN C v TAHOE DONNER Adult 55 & Over Mens 9.0	Polo Cowan	Robert Medeiros, Barry Young
June 19, 2022 · Doubles 2W3-6, 7-5, 1-0
MARINWOOD COMM CTR 18AM4.0A 1 v TIBURON PEN C 18AM4.0A 1 Adult 18 & Over Mens 4.0 1	Jeffrey Webb	Peter Lowden, Robert Williard
June 16, 2022 · Doubles 2W6-3, 6-2
SCOTT VALLEY 18AM4.0A 1 v TIBURON PEN C 18AM4.0A 1 Adult 18 & Over Mens 4.0 1	Christopher Kim	Jay Warshaw, Francois Cottin
June 11, 2022 · Doubles 1 · PlayoffsW6-4, 6-3
TIBURON PEN C v HARBOR PT Adult 55 & Over Mens 9.0	Polo Cowan	Larry Smith, Antonio Vigil
June 5, 2022 · Doubles 2W6-3, 7-5
LAGUNITAS CC 18AM4.0A 1 v TIBURON PEN C 18AM4.0A 1 Adult 18 & Over Mens 4.0 1	Troy Pewitt	Chris Zak, Edward Wynne
May 21, 2022 · Doubles 1W6-2, 3-6, 1-0
TIBURON PEN C 18AM4.0A 1 v SCOTT VALLEY 18AM4.0A 1 Adult 18 & Over Mens 4.0 1	Brett Mulberg	Joe Gulash, Paul Levitan
May 21, 2022 · Doubles 2W7-6, 6-2
TIBURON PEN C v CRANE PK Adult 55 & Over Mens 9.0	Polo Cowan	Peter Loomis, Michael Parr
May 5, 2022 · Doubles 2L6-4, 6-3
MARIN TC 18AM4.0A [MAD DAWGS] 1 v TIBURON PEN C 18AM4.0A 1 Adult 18 & Over Mens 4.0 1	David Galloreese	Jason Holmes, Carnet Williams
April 23, 2022 · Doubles 1W6-2, 6-4
TIBURON PEN C v HARBOR PT Adult 55 & Over Mens 9.0	Polo Cowan	Andrew Loft, Daniel Krebs
April 16, 2022 · Doubles 1W6-2, 7-6
CRANE PK v TIBURON PEN C Adult 55 & Over Mens 9.0	Polo Cowan	Peter Loomis, Michael Parr
March 26, 2022 · Doubles 3 · PlayoffsL6-3, 6-4
HARBOR PT 40AM4.0A [If We Musty] 2 v TIBURON PEN C 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Toby Marion	Bruce Smith, Ben Hock
March 26, 2022 · Doubles 2W6-2, 6-2
TIBURON PEN C v CRANE PK Adult 55 & Over Mens 9.0	Polo Cowan	Marty Perpich, Michael Parr
March 5, 2022 · Doubles 3W6-3, 6-2
BAY CLUB ROSS VALLEY 40AM4.0A 2 v TIBURON PEN C 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Toby Marion	Mark Lasser, Bob Buerger
February 26, 2022 · Doubles 1W6-2, 6-4
TIBURON PEN C 40AM4.0A 2 v RAFAEL RC 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Ross Seymore	Tony Gambardella, Carter Njus
February 12, 2022 · Doubles 2W6-3, 6-3
ROLLING HILLS 40AM4.0A 2 v TIBURON PEN C 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Troy Pewitt	Phylos Tobler, Eric Zahra
January 29, 2022 · Doubles 3W6-2, 6-1
TIBURON PEN C 40AM4.0A 2 v BAY CLUB ROSS VALLEY 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Joe Elson	Josh Jaffe, Ricky Mason
January 15, 2022 · Doubles 1W6-3, 6-0
TIBURON PEN C 40AM4.0A 2 v MARIN TC 40AM4.0A 2 Adult 40 & Over Mens 4.0 2	Jeffrey Webb	David Hirschkop, Jody Osterweil

Partners

Polo Cowan · 8 doubles lines together, 7-1
Jeffrey Fisher · 7 doubles lines together, 4-3
Michel Seifer · 5 doubles lines together, 4-1
Andre Mancl · 4 doubles lines together, 2-2
Jeffrey Webb · 3 doubles lines together, 2-1