Frederick Dopfel

NTRP rating 3.5C · 3 teams in 2025

Level

Desk level 3.19

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. No rated line in 2026 yet, so there is no chart to draw.

Record

Year	Lines	Won-lost	Singles	Doubles
2025	8	2-6	—	2-6
2024	15	7-8	—	7-8
2023	19	7-12	—	7-12
2022	16	8-8	—	8-8

League	Year	Won-lost
Adult 40 & Over Mens 3.5 2	2025	2-1
Adult 55 & Over Mens 7.0	2025	0-2
Adult 65 & Over Mens 7.0	2025	0-3
Adult 18 & Over Mens 3.5 1	2024	1-1
Adult 40 & Over Mens 3.5 2	2024	3-1
Adult 55 & Over Mens 7.0	2024	1-1
Adult 65 & Over Mens 7.0	2024	1-4
Combo Mens League 6.5	2024	1-1
Adult 18 & Over Mens 3.5 1	2023	1-3
Adult 40 & Over Mens 3.5 1	2023	5-3
Adult 55 & Over Mens 7.0	2023	1-6
Adult 18 & Over Mens 3.5 1	2022	3-2
Adult 40 & Over Mens 3.5	2022	5-6

Teams

2025

MARIN TC · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 2-1 in 3 lines
MARIN TC · Adult 55 & Over Mens 7.0 · NTRP rating 3.5C · roster record 0-2 in 2 lines
MARIN TC · Adult 65 & Over Mens 7.0 · NTRP rating 3.5C · roster record 0-3 in 3 lines

2024

MARIN TC · Adult 18 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 1-1 in 2 lines
MARIN TC · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 3-1 in 4 lines
MARIN TC · Adult 55 & Over Mens 7.0 · NTRP rating 3.5C · roster record 1-1 in 3 lines
MARIN TC · Adult 65 & Over Mens 7.0 · NTRP rating 3.5C · roster record 1-4 in 5 lines
MARIN TC · Combo Mens League 6.5 · NTRP rating 3.5C · roster record 1-1 in 2 lines

2023

BAY CLUB ROSS VALLEY · Adult 18 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 1-3 in 4 lines
BAY CLUB ROSS VALLEY · Adult 40 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 5-3 in 8 lines
BAY CLUB ROSS VALLEY · Adult 55 & Over Mens 7.0 · NTRP rating 3.5C · roster record 1-6 in 7 lines

2022

BAY CLUB ROSS VALLEY · Adult 18 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 3-2 in 6 lines
BAY CLUB ROSS VALLEY · Adult 40 & Over Mens 3.5 · NTRP rating 3.5C · roster record 5-6 in 11 lines

Match log

Team match	Partner	Opponents
May 22, 2025 · Doubles 1L6-1, 7-6
MARIN TC v MARIN CC Adult 55 & Over Mens 7.0	Tom Schmierer	Chris Decker, Paul Dyliacco
April 8, 2025 · Doubles 1L6-1, 6-4
MARIN TC v MT TAM RC Adult 65 & Over Mens 7.0	Lyle Cowen	Ricky Mason, Peter Sanchez
April 7, 2025 · Doubles 3L6-4, 6-2
HARBOR PT v MARIN TC Adult 65 & Over Mens 7.0	Lyle Cowen	Samuel Ware, Rick Stern
April 5, 2025 · Doubles 2L6-2, 6-2
MARIN CC v MARIN TC Adult 55 & Over Mens 7.0	Tom Schmierer	Masoud Kermani, Bruce Kirsten
March 26, 2025 · Doubles 1L6-4, 6-1
NOVATO TC/PIONEER PK v MARIN TC Adult 65 & Over Mens 7.0	Aric Clark	Mike Kelly, Robert Roehrick
March 13, 2025 · Doubles 3W6-4, 6-4
MT TAM RC 40AM3.5A 2 v MARIN TC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Tassos Papadimos	Stephen Crump, Stephen Cossman
February 15, 2025 · Doubles 3W6-1, 6-4
MARIN TC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Stacy Nimmo	Jordan Eth, Ben Fisher
January 18, 2025 · Doubles 2L6-3, 6-3
HARBOR PT 40AM3.5A 2 v MARIN TC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Kevin Jones	Andrew Hoeberichts, Paolo Petrone
September 14, 2024 · Doubles 3W6-0, 6-2
MARIN TC v RAFAEL RC Combo Mens League 6.5	Drew Morrell	John Twigg, Matthew Ryder-Smith
September 9, 2024 · Doubles 2L7-6, 6-1
MARIN CC v MARIN TC Combo Mens League 6.5	Gerald See	Edward Gamble, Brandon Dayoan
May 19, 2024 · Doubles 3W6-0, 6-2
MARIN TC 18AM3.5A 1 v LAGUNITAS CC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Edward Berg	Wyatt Gruber, Nick Rothman
May 16, 2024 · Doubles 3L6-3, 7-6
RAFAEL RC v MARIN TC Adult 55 & Over Mens 7.0	Hogan Nymberg	Sean Murphy, Steven Walker
May 12, 2024 · Doubles 3L7-6, 4-6, 1-0
BAY CLUB ROSS VALLEY 18AM3.5A 1 v MARIN TC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Stacy Nimmo	Russ Iwanchuk, Erik Krogh-Jespersen
April 21, 2024 · Doubles 3W4-6, 6-1, 1-0
MARIN TC v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Babak Jamasbi	Michael Buzogli, Hamid Karimiyanha
April 9, 2024 · Doubles 1W6-2, 6-2
HARBOR PT v MARIN TC Adult 65 & Over Mens 7.0	Kent Castle	David Barker, Art Giovara
March 27, 2024 · Doubles 2L6-2, 1-6, 1-0
MARIN TC v HARBOR PT Adult 65 & Over Mens 7.0	Reinhard Ludke	David Barker, Christopher Kelly
March 26, 2024 · Doubles 1L6-3, 6-2
MT TAM RC v MARIN TC Adult 65 & Over Mens 7.0	Rob Cochran	John Deist, Ramesh Mavelikalam
February 23, 2024 · Doubles 2W4-6, 6-3, 1-0
HARBOR PT 40AM3.5A 2 v MARIN TC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Doke Kim	Paul Navazio, Benjamin Graves
February 13, 2024 · Doubles 1L6-3, 5-7, 1-0
MARIN TC v NOVATO TC/PIONEER PK Adult 65 & Over Mens 7.0	Rob Cochran	Robert Roehrick, Lawrence Wright
February 10, 2024 · Doubles 3W6-2, 6-3
MARIN TC 40AM3.5A 2 v BAY CLUB ROSS VALLEY 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Doke Kim	Jean-Marc Sallenave, Russ Iwanchuk
February 8, 2024 · Doubles 2L6-2, 4-6, 1-0
MARIN TC 65AM7.0A v MARIN TC 65AM7.0B Adult 65 & Over Mens 7.0	Reinhard Ludke	Dennis McVey, Tom Schmierer
February 6, 2024 · Doubles 3W6-4, 6-4
SCOTT VALLEY 40AM3.5A 2 v MARIN TC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Gervais Tompkin	Jarom Fawson, Derrick Wong
January 14, 2024 · Doubles 2L6-4, 7-6
MARIN TC 40AM3.5A 2 v HARBOR PT 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Tassos Papadimos	Sulhi Akmehmet, Andrew Hoeberichts
May 28, 2023 · Doubles 3L4-6, 6-0, 1-0
BAY CLUB ROSS VALLEY v RAFAEL RC Adult 55 & Over Mens 7.0	Anton Muzik	Ted Hayden, Madhur Dayal
May 27, 2023 · Doubles 2L7-6, 6-4
RAFAEL RC 18AM3.5A 1 v BAY CLUB ROSS VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Russ Iwanchuk	Roger Benson, Geoff Greenlee
May 21, 2023 · Doubles 3L6-1, 6-1
BAY CLUB ROSS VALLEY v MT TAM RC Adult 55 & Over Mens 7.0	Scott Fong	Peter Sanchez, Joel Sklar
May 7, 2023 · Doubles 2L6-4, 6-4
HARBOR PT v BAY CLUB ROSS VALLEY Adult 55 & Over Mens 7.0	Brian Maloney	Christopher Kelly, Damian Murray
May 6, 2023 · Doubles 2L6-4, 6-2
BAY CLUB ROSS VALLEY 18AM3.5A 1 v RAFAEL RC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Greg Sieck	Ted Hayden, Ross Sullivan
April 30, 2023 · Doubles 1L6-2, 6-1
BAY CLUB ROSS VALLEY v MARIN TC Adult 55 & Over Mens 7.0	John Millar	Tassos Papadimos, Stacy Nimmo
April 29, 2023 · Doubles 3L6-2, 6-2
MILL VALLEY 18AM3.5A 1 v BAY CLUB ROSS VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Greg Sieck	Jonathan Weis, Adrian Fadrhonc
April 23, 2023 · Doubles 2W6-0, 6-2
BAY CLUB ROSS VALLEY 18AM3.5A 1 v SCOTT VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Matt Dveirin	Chad Williams, Peter Rose
April 16, 2023 · Doubles 1L6-4, 7-6
BAY CLUB ROSS VALLEY v TIBURON PEN C Adult 55 & Over Mens 7.0	John Millar	Murray Dunn, Judson Lobdell
April 1, 2023 · Doubles 1W6-1, 6-3
MT TAM RC v BAY CLUB ROSS VALLEY Adult 55 & Over Mens 7.0	Edward Berg	Mitchell Wortzman, David Stolberg
March 26, 2023 · Doubles 1L6-3, 6-2
BAY CLUB ROSS VALLEY v GOLDMAN TC Adult 55 & Over Mens 7.0	Eric Debbane	Byron Lee, Eric Rasmussen
March 25, 2023 · Doubles 3 · PlayoffsL6-7, 6-4, 1-0
BAY CLUB ROSS VALLEY 40AM3.5A 1 v TIBURON PEN C 40AM3.5A [Mature Swingers] 1 Adult 40 & Over Mens 3.5 1	Russ Iwanchuk	Rick Sichel, Victor Hwang
March 5, 2023 · Doubles 2W6-1, 7-5
BAY CLUB ROSS VALLEY 40AM3.5A 1 v SCOTT VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Matt Dveirin	Francois Cottin, Sajot Grewal
March 2, 2023 · Doubles 2W6-2, 6-3
BAY CLUB ROSS VALLEY 40AM3.5A 1 v MT TAM RC 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Mark Britschgi	David Kennedy, Ross Parmenter
February 25, 2023 · Doubles 2W6-4, 7-5
RAFAEL RC 40AM3.5A 1 v BAY CLUB ROSS VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Russ Iwanchuk	Roland Davantes, Willam Lukach
February 19, 2023 · Doubles 3W6-2, 6-1
BAY CLUB ROSS VALLEY 40AM3.5A 1 v TIBURON PEN C 40AM3.5A [Mature Swingers] 1 Adult 40 & Over Mens 3.5 1	Matt Dveirin	Emir Keye, Thomas Chen
February 12, 2023 · Doubles 3L6-2, 7-5
MT TAM RC 40AM3.5A 1 v BAY CLUB ROSS VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Greg Sieck	Rick Togneri, Stephen Crump
January 21, 2023 · Doubles 2W3-6, 6-4, 1-0
SCOTT VALLEY 40AM3.5A 1 v BAY CLUB ROSS VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Russ Iwanchuk	Paul Gehrman, Sajot Grewal
January 9, 2023 · Doubles 2L7-5, 6-4
TIBURON PEN C 40AM3.5A [Mature Swingers] 1 v BAY CLUB ROSS VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Greg Sieck	Eric Hohmann, Victor Hwang
June 12, 2022 · Doubles 1L6-3, 6-2
BAY CLUB ROSS VALLEY 18AM3.5A 1 v BELVEDERE TC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Richard Homich	Charles Bigelow, Christopher Sargent
June 4, 2022 · Doubles 1W3-6, 7-5, 1-0
BAY CLUB ROSS VALLEY 18AM3.5A 1 v ROLLING HILLS 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Chris Cooper	Peter Halpern, John Ybarra
May 29, 2022 · Doubles 3W6-2, 6-1
MARIN CC 18AM3.5A 1 v BAY CLUB ROSS VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Russ Iwanchuk	Adam Spiegel, William Gala
May 22, 2022 · Doubles 1L6-3, 6-3
BAY CLUB ROSS VALLEY 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Richard Homich	Richard Greenberg, Jordan Eth
May 6, 2022 · Doubles 3W6-0, 2-1
TIBURON PEN C 18AM3.5A 1 v BAY CLUB ROSS VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Greg Sieck	Murray Dunn, Daren Wein
April 2, 2022 · Doubles 3 · PlayoffsL6-3, 6-2
BELVEDERE TC v BAY CLUB ROSS VALLEY Adult 40 & Over Mens 3.5	Richard Homich	Douglas Bria, Thomas Byrne
March 27, 2022 · Doubles 3 · PlayoffsW7-6, 6-3
BAY CLUB ROSS VALLEY v ROLLING HILLS Adult 40 & Over Mens 3.5	Richard Homich	Scott Griffiths, Chuck Hulsey
March 13, 2022 · Doubles 3L3-6, 6-4, 1-0
BAY CLUB ROSS VALLEY v BELVEDERE TC Adult 40 & Over Mens 3.5	Russ Iwanchuk	Edwin Tucker, Michael Barker
March 6, 2022 · Doubles 3W6-2, 7-5
MILL VALLEY v BAY CLUB ROSS VALLEY Adult 40 & Over Mens 3.5	Russ Iwanchuk	Eric Crowe, Jonathan Weis
February 27, 2022 · Doubles 2W6-3, 6-4
BAY CLUB ROSS VALLEY v NOVATO TC/PIONEER PK Adult 40 & Over Mens 3.5	Russ Iwanchuk	John Bliss, tennis player
February 19, 2022 · Doubles 3L6-3, 7-5
MARIN TC v BAY CLUB ROSS VALLEY Adult 40 & Over Mens 3.5	Hogan Nymberg	Rob Cochran, Don McInnes
February 13, 2022 · Doubles 3L6-4, 6-3
TIBURON PEN C v BAY CLUB ROSS VALLEY Adult 40 & Over Mens 3.5	Marc Zablatsky	David Petrini, Rick Sichel
February 5, 2022 · Doubles 3L6-3, 7-5
BAY CLUB ROSS VALLEY v RAFAEL RC Adult 40 & Over Mens 3.5	Andrew May	Kevin Scheer, Craig Thigpen
January 23, 2022 · Doubles 3W6-4, 6-2
BAY CLUB ROSS VALLEY v MARINWOOD COMM CTR Adult 40 & Over Mens 3.5	Richard Homich	Stephen Cossman, Bruno Luiz Ley Santos
January 16, 2022 · Doubles 2W1-6, 6-3, 1-0
BELVEDERE TC v BAY CLUB ROSS VALLEY Adult 40 & Over Mens 3.5	Richard Homich	David Flaherty, Michael Lasky
January 8, 2022 · Doubles 3L2-6, 7-5, 1-0
BAY CLUB ROSS VALLEY v TIBURON PEN C Adult 40 & Over Mens 3.5	Richard Homich	Charles Muller, Joshua Endler

Partners

Russ Iwanchuk · 8 doubles lines together, 5-3
Richard Homich · 7 doubles lines together, 3-4
Greg Sieck · 5 doubles lines together, 1-4
Matt Dveirin · 3 doubles lines together, 3-0