Rob Acker

NTRP rating 3.5C · 4 teams in 2026

Level

Desk level 3.12

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	19	11-8	—	11-8
2025	20	8-12	—	8-12
2024	20	10-10	0-1	10-9
2023	12	6-6	0-1	6-5
2022	12	3-9	0-4	3-5

League	Year	Won-lost
Adult 18 & Over Mens 3.5	2026	4-3
Adult 40 & Over Mens 3.5 2	2026	3-4
Adult 55 & Over Mens 7.0	2026	4-0
Combo Mens League 7.5	2026	0-1
Adult 18 & Over Mens 3.5	2025	4-4
Adult 40 & Over Mens 3.5 2	2025	2-3
Adult 55 & Over Mens 7.0	2025	2-5
Adult 18 & Over Mens 3.5 1	2024	3-5
Adult 40 & Over Mens 3.5 1	2024	6-4
Combo Mens League 7.5	2024	1-1
Adult 18 & Over Mens 3.5 1	2023	2-1
Adult 40 & Over Mens 3.5 2	2023	4-5
Adult 18 & Over Mens 3.5 2	2022	2-4
Adult 40 & Over Mens 3.5	2022	1-3
Combo Mens League 7.5	2022	0-2

Teams

2026

TIBURON PEN C · Adult 18 & Over Mens 3.5 · NTRP rating 3.5C · roster record 4-3 in 8 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 3-4 in 7 lines
TIBURON PEN C · Adult 55 & Over Mens 7.0 · NTRP rating 3.5C · roster record 4-0 in 4 lines
TIBURON PEN C · Combo Mens League 7.5 · NTRP rating 3.5C · roster record 0-1 in 1 line

2025

TIBURON PEN C · Adult 18 & Over Mens 3.5 · NTRP rating 3.5C · roster record 4-4 in 9 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 2-3 in 5 lines
TIBURON PEN C · Adult 55 & Over Mens 7.0 · NTRP rating 3.5C · roster record 2-5 in 7 lines

2024

TIBURON PEN C · Adult 18 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 3-5 in 8 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 6-4 in 10 lines
TIBURON PEN C · Combo Mens League 7.5 · NTRP rating 3.5C · roster record 1-1 in 2 lines

2023

TIBURON PEN C · Adult 18 & Over Mens 3.5 1 · NTRP rating 3.0C · roster record 2-1 in 4 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.0C · roster record 4-5 in 9 lines

2022

TIBURON PEN C · Adult 18 & Over Mens 3.5 2 · NTRP rating 3.5s · roster record 2-4 in 6 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 · NTRP rating 3.5s · roster record 1-3 in 4 lines
TIBURON PEN C · Combo Mens League 7.5 · NTRP rating 3.5s · roster record 0-2 in 2 lines

Match log

Team match	Partner	Opponents
August 27, 2026 · Doubles 1L6-3, 6-2
MT TAM RC v TIBURON PEN C Combo Mens League 7.5	Dana Long	Scott Key, Marvel Warren
June 13, 2026 · Doubles 1W4-6, 6-3, 1-0
ROLLING HILLS v TIBURON PEN C Adult 18 & Over Mens 3.5	Scott Carlson	Steven Lund, Prateek Donni
June 4, 2026 · Doubles 1L7-5, 6-3
TIBURON PEN C v MILL VALLEY Adult 18 & Over Mens 3.5	Charles Muller	Patrick Ryan, Paul Rimas
May 31, 2026 · Doubles 1L7-5, 4-6, 1-0
LAGUNITAS CC v TIBURON PEN C Adult 18 & Over Mens 3.5	Charles Muller	Michael Winnick, Richard Roberts
May 23, 2026 · Doubles 2W6-1, 6-3
TIBURON PEN C v MARIN TC Adult 55 & Over Mens 7.0	Alex Gerson	Elliott Magnuson, Jeff Loebbaka
May 22, 2026 · Doubles 1W7-6, 1-6, 1-0
TIBURON PEN C v RAFAEL RC Adult 18 & Over Mens 3.5	Charles Muller	Roland Davantes, Stewart Clark
May 16, 2026 · Doubles 1L6-3, 7-6
BELVEDERE TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Scott Carlson	Van Wilshire, Cameron Hillyer
May 14, 2026 · Doubles 1W6-2, 4-6, 1-0
TIBURON PEN C v NOVATO TC/PIONEER PK Adult 18 & Over Mens 3.5	Taylor Greason	Bruno Luiz Ley Santos, Tim Meksavanh
May 12, 2026 · Doubles 1W3-6, 7-6, 1-0
MARIN TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Charles Muller	Jack Kennedy, Erik del Toro
May 9, 2026 · Doubles 1W6-1, 6-0
TIBURON PEN C v CANON S and TC Adult 55 & Over Mens 7.0	Judson Lobdell	Christopher Clark, Rick Holland
April 3, 2026 · Doubles 2 · PlayoffsL6-0, 6-2
ROLLING HILLS 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Jordan Eth	Mark Britschgi, Christopher Hatch
March 26, 2026 · Doubles 1W6-3, 6-4
TIBURON PEN C v MARIN CC Adult 55 & Over Mens 7.0	Judson Lobdell	Chris Decker, Paul Dyliacco
March 21, 2026 · Doubles 2W7-6, 6-4
MT TAM RC v TIBURON PEN C Adult 55 & Over Mens 7.0	David Petrini	Stephen Crump, Mark Brennan
March 5, 2026 · Doubles 1L6-2, 6-4
TIBURON PEN C 40AM3.5A 2 v MT TAM RC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Charles Muller	Marvel Warren, Sebastian Rouas
February 28, 2026 · Doubles 2W7-6, 6-2
RAFAEL RC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Owen Leary	Matthew Alba, Firas Ghantous
February 27, 2026 · Doubles 2W7-5, 7-6
ROLLING HILLS 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	John Stewart	Michael Almeraris, Patrick Rimbaud
February 21, 2026 · Doubles 3W6-0, 6-1
TIBURON PEN C 40AM3.5A 2 v MARIN TC 40AM3.5B 2 Adult 40 & Over Mens 3.5 2	David Petrini	George Jackson, Greg Wilson
January 31, 2026 · Doubles 2L6-4, 6-2
MT TAM RC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Matthew Schmidt	Ricky Mason, David Grayson
January 10, 2026 · Doubles 2L6-3, 6-3
TIBURON PEN C 40AM3.5A 2 v RAFAEL RC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Charles Muller	Chris Beard, Roland Davantes
June 26, 2025 · Doubles 2 · PlayoffsL6-2, 6-4
MARIN TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Daren Wein	Steve Juliani, David Sadoff
June 15, 2025 · Doubles 2W7-5, 5-7, 1-0
TIBURON PEN C v NOVATO TC/PIONEER PK Adult 18 & Over Mens 3.5	Jordan Eth	Rick Jensen, Steven Lund
May 31, 2025 · Doubles 2W6-3, 1-6, 1-0
TIBURON PEN C v MARIN TC Adult 18 & Over Mens 3.5	Daren Wein	Greg Friedman, Jody Osterweil
May 25, 2025 · Doubles 1L7-6, 6-7, 1-0
TIBURON PEN C v CANON S and TC Adult 55 & Over Mens 7.0	Jordan Eth	Micha Berman, Peter Brown
May 23, 2025 · Doubles 2L6-3, 6-4
TIBURON PEN C 18AM3.5A v TIBURON PEN C 18AM3.5B Adult 18 & Over Mens 3.5	Daren Wein	James Hendy, Michael Peters
May 18, 2025 · Doubles 1L7-6, 6-2
MT TAM RC v TIBURON PEN C Adult 55 & Over Mens 7.0	Jordan Eth	Peter Clark, Mark Brennan
May 17, 2025 · Doubles 2W6-4, 6-3
SCOTT VALLEY v TIBURON PEN C Adult 18 & Over Mens 3.5	Daren Wein	Chris Hubbard, Steve Taylor
May 11, 2025 · Doubles 2L4-6, 7-6, 1-0
TIBURON PEN C v MILL VALLEY Adult 18 & Over Mens 3.5	Owen Leary	ADAM BAIN, Craig Miller
May 10, 2025 · Doubles 3W6-3, 6-4
TIBURON PEN C v MARIN CC Adult 55 & Over Mens 7.0	Cliff Plumer	Gregg Bernier, Masoud Kermani
May 4, 2025 · Doubles 1L6-1, 6-0
BELVEDERE TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Ben Fisher	Christopher Sheldon, Charles Bigelow
April 29, 2025 · Doubles 1L7-6, 6-4
TIBURON PEN C v MARIN TC Adult 55 & Over Mens 7.0	Jordan Eth	Elliott Magnuson, Jeff Loebbaka
April 27, 2025 · Doubles 1L6-2, 3-6, 1-0
NOVATO TC/PIONEER PK v TIBURON PEN C Adult 55 & Over Mens 7.0	Geoff Howard	Subramanian Rajagopalan, Mike Kelly
April 19, 2025 · Doubles 1W6-3, 6-2
NOVATO TC/PIONEER PK v TIBURON PEN C Adult 18 & Over Mens 3.5	Taylor Greason	Gustavo Evangelista, Todd Fields
April 19, 2025 · Doubles 2L6-1, 6-3
RAFAEL RC v TIBURON PEN C Adult 55 & Over Mens 7.0	Christopher Povio	Chris Beard, Roland Davantes
March 29, 2025 · Doubles 1W6-4, 4-6, 1-0
TIBURON PEN C v MT TAM RC Adult 55 & Over Mens 7.0	Charles Muller	Mark Brennan, Peter Sanchez
March 15, 2025 · Doubles 2L6-4, 6-2
BELVEDERE TC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Matthew Hart	Christopher Sargent, Nick Meyer
March 8, 2025 · Doubles 1W6-4, 6-2
TIBURON PEN C 40AM3.5A 2 v MT TAM RC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Dan Etchevers	Peter Sanchez, Sebastian Rouas
March 1, 2025 · Doubles 1W2-6, 6-3, 1-0
HARBOR PT 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Charles Muller	Andrew Hoeberichts, Paul Navazio
February 15, 2025 · Doubles 2L6-4, 6-2
MARIN TC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Charles Muller	Elliott Magnuson, David Sadoff
January 16, 2025 · Doubles 2L6-4, 4-6, 1-0
MT TAM RC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Victor Hwang	Stephen Cossman, Bill Denler
October 19, 2024 · Doubles 2L7-6, 6-1
TIBURON PEN C v BELVEDERE TC Combo Mens League 7.5	Shannon Phillips	Rocky Moss, John Bickford
September 15, 2024 · Doubles 1W6-1, 7-5
TIBURON PEN C v RAFAEL RC Combo Mens League 7.5	Chris Holmes	Tripp Smith, Todd Fitzgerald
June 2, 2024 · Doubles 2L4-6, 6-2, 1-0
MILL VALLEY 18AM3.5A [MV] 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Jordan Eth	ADAM BAIN, Colin Luce
June 1, 2024 · Doubles 2W0-6, 6-2, 1-0
TIBURON PEN C 18AM3.5A 1 v ROLLING HILLS 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Jordan Eth	Brandon Dayoan, Noah Dehlinger
May 25, 2024 · Doubles 1L6-3, 6-1
TIBURON PEN C 18AM3.5A 1 v LAGUNITAS CC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Victor Hwang	Nick Rothman, Courtney OConnell
May 9, 2024 · Doubles 1L6-4, 6-1
MT TAM RC 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Joshua Endler	David Grayson, JOE HARDING
April 28, 2024 · Doubles 2W4-6, 6-3, 1-0
TIBURON PEN C 18AM3.5A 1 v MARIN TC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Victor Hwang	Elliott Magnuson, Kevin Jones
April 27, 2024 · Doubles 2W6-2, 6-0
ROLLING HILLS 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Victor Hwang	Christopher Hatch, Brandon Dayoan
April 23, 2024 · Doubles 2L5-7, 7-5, 1-0
TIBURON PEN C 18AM3.5A 1 v MILL VALLEY 18AM3.5A [MV] 1 Adult 18 & Over Mens 3.5 1	Jordan Eth	Adrian Fadrhonc, Brandon Lawniczak
April 21, 2024 · Singles 2L6-3, 4-6, 1-0
BAY CLUB ROSS VALLEY 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	—	Jean-Marc Sallenave
April 14, 2024 · Doubles 2 · PlayoffsL6-4, 6-3
RAFAEL RC 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	Owen Leary	Kevin Scheer, Christopher Stewart
March 24, 2024 · Doubles 2L4-6, 6-3, 1-0
TIBURON PEN C 40AM3.5B 1 v BELVEDERE TC 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Brett Tucker	Charles Bigelow, Van Wilshire
March 17, 2024 · Doubles 2W6-0, 6-3
RAFAEL RC 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	James Hendy	Chris Beard, Derek Weller
March 9, 2024 · Doubles 1W7-5, 6-2
TIBURON PEN C 40AM3.5B 1 v ROLLING HILLS 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Peter Yolles	Phylos Tobler, Patrick Rimbaud
February 24, 2024 · Doubles 2W6-2, 6-3
TIBURON PEN C 40AM3.5B 1 v TIBURON PEN C 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Jordan Eth	David Petrini, Michael Peters
February 10, 2024 · Doubles 2W6-1, 4-6, 1-0
NOVATO TC/PIONEER PK 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	Geoff Howard	Jay Zimmerman, Somasekar Srinivasan
January 27, 2024 · Doubles 2W6-4, 6-3
TIBURON PEN C 40AM3.5B 1 v RAFAEL RC 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Peter Yolles	Derek Weller, Phil Neal
January 18, 2024 · Doubles 1L6-4, 4-6, 1-0
TIBURON PEN C 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	Joshua Endler	Charles Muller, Victor Hwang
January 15, 2024 · Doubles 1L6-3, 6-1
BELVEDERE TC 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	Joshua Endler	Timothy Cunningham, Thomas Byrne
January 15, 2024 · Doubles 1W6-2, 6-3
TIBURON PEN C 40AM3.5B 1 v NOVATO TC/PIONEER PK 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Joshua Endler	Erik Sherley, Scott Griffiths
July 13, 2023 · Doubles 1 · PlayoffsL6-2, 6-0
MT TAM RC 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	John Stewart	Charlie Norman, Kenneth White
June 10, 2023 · Doubles 1W7-6, 6-3
RAFAEL RC 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	John Stewart	Chris Beard, Roland Davantes
May 28, 2023 · Doubles 2W4-6, 6-3, 1-0
MARIN CC 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Joshua Endler	Jeff Sell, Bruce Kirsten
May 13, 2023 · Doubles 3 · SectionalsL2-6, 6-1, 1-0
TIBURON PEN C 40AM3.5B [Overserved] 2 v SILVER CREEK 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	James Hendy	John Nguyen, Jaideep Jain
May 13, 2023 · Doubles 2 · SectionalsW6-3, 4-6, 1-0
PLEASANTON 40AM3.5A [DPTG] 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	James Hendy	Chaitanya Mamdur, Ravindra Samson
May 12, 2023 · Doubles 1 · SectionalsL6-1, 6-4
MOUNTAIN VIEW TC/RENGSTORFF PK v TIBURON PEN C Adult 40 & Over Mens 3.5 2	John Parsons	Balachandra Rangaswamy, David Lucas
April 7, 2023 · Doubles 3 · PlayoffsL6-2, 6-2
MT TAM RC 40AM3.5A 1 v TIBURON PEN C 40AM3.5B [Overserved] 1 Adult 40 & Over Mens 3.5 2	John Stewart	Sebastian Rouas, Mitchell Wortzman
March 16, 2023 · Doubles 1L6-3, 7-6
NOVATO TC/PIONEER PK 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	Murray Dunn	Subramanian Rajagopalan, Todd Fields
March 5, 2023 · Doubles 2W6-1, 6-2
BELVEDERE TC 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	Judson Lobdell	David Flaherty, Jon Crane
February 8, 2023 · Doubles 2W6-2, 6-4
TIBURON PEN C 40AM3.5B [Overserved] 2 v MILL VALLEY 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Charles Muller	Jerry Labay, Jon Fox
February 1, 2023 · Singles 1L6-4, 6-1
TIBURON PEN C 40AM3.5B [Overserved] 2 v ROLLING HILLS 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	—	John Ybarra
January 20, 2023 · Doubles 2W6-4, 2-6, 1-0
TIBURON PEN C 40AM3.5B [Overserved] 2 v NOVATO TC/PIONEER PK 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	John Stewart	Bruno Luiz Ley Santos, John Ringgenberg
October 16, 2022 · Doubles 1L6-0, 6-1
BAY CLUB ROSS VALLEY v TIBURON PEN C Combo Mens League 7.5	Troy Pewitt	Daniel Mathis, Geoffrey Gerding
September 10, 2022 · Doubles 1L7-5, 6-2
TIBURON PEN C v SCOTT VALLEY Combo Mens League 7.5	Troy Pewitt	Joe Gulash, Bill Graham
May 28, 2022 · Doubles 2L6-2, 6-1
MILL VALLEY 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	Pat Cunneen	Patrick Ryan, Jonathan Weis
May 17, 2022 · Doubles 2L6-3, 6-2
TIBURON PEN C 18AM3.5B 2 v MARIN TC 18AM3.5A [Lobsters] 2 Adult 18 & Over Mens 3.5 2	Pat Cunneen	Tassos Papadimos, Joseph Gil
May 15, 2022 · Doubles 2W6-2, 6-3
TIBURON PEN C 18AM3.5B 2 v NOVATO TC/PIONEER PK 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	Lewis Kaufman	Bruno Luiz Ley Santos, Jay Zimmerman
May 7, 2022 · Doubles 3W6-7, 6-2, 1-0
RAFAEL RC 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	Joshua Endler	Timothy Dale, Madhur Dayal
May 1, 2022 · Singles 2L6-2, 3-6, 1-0
RAFAEL RC 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	—	Chris Jones
April 24, 2022 · Singles 2L6-2, 6-4
TIBURON PEN C 18AM3.5B 2 v MILL VALLEY 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	—	Patrick Ryan
March 12, 2022 · Doubles 3W4-6, 6-0, 1-0
RAFAEL RC v TIBURON PEN C Adult 40 & Over Mens 3.5	John Stewart	Kevin Scheer, Craig Thigpen
March 2, 2022 · Singles 1L6-3, 6-4
ROLLING HILLS v TIBURON PEN C Adult 40 & Over Mens 3.5	—	Patrick Rimbaud
January 15, 2022 · Singles 1L6-2, 6-2
TIBURON PEN C v MARIN TC Adult 40 & Over Mens 3.5	—	Vladimir Matyurin
January 8, 2022 · Doubles 2L6-4, 6-2
BAY CLUB ROSS VALLEY v TIBURON PEN C Adult 40 & Over Mens 3.5	Daren Wein	Mark Britschgi, Russ Iwanchuk