John Ringgenberg

NTRP rating 3.0C · 5 teams in 2026

Level

Desk level 2.56

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	14	5-9	—	5-9
2025	3	0-3	—	0-3
2024	6	2-4	—	2-4
2023	19	4-15	0-1	4-14
2022	10	1-9	—	1-9

League	Year	Won-lost
Adult 40 & Over Mens 3.0	2026	4-5
Adult 40 & Over Mens 3.5 1	2026	1-1
Adult 55 & Over Mens 7.0	2026	0-1
Mixed 18 & Over 6.0	2026	0-2
Adult 18 & Over Mens 3.0	2025	0-2
Adult 18 & Over Mens 3.5	2025	0-1
Adult 18 & Over Mens 3.0	2024	2-4
Adult 18 & Over Mens 3.0	2023	3-4
Adult 40 & Over Mens 3.5	2023	0-5
Adult 40 & Over Mens 3.5 2	2023	1-4
Adult 55 & Over Mens 7.0	2023	0-2
Adult 40 & Over Mens 3.5	2022	0-6
Adult 55 & Over Mens 7.0	2022	1-2
Mixed 40 & Over 7.0	2022	0-1

Teams

2026

NOVATO TC/PIONEER PK · Adult 40 & Over Mens 3.5 1 · NTRP rating 3.0C · roster record 1-1 in 2 lines
NOVATO TC/PIONEER PK · Adult 55 & Over Mens 7.0 · NTRP rating 3.0C · roster record 0-1 in 1 line
OLYMPIC · Mixed 18 & Over 6.0 · NTRP rating 3.0C · roster record 0-2 in 2 lines
OLYMPIC · Adult 40 & Over Mens 3.0 · NTRP rating 3.0C · roster record 4-5 in 9 lines
OLYMPIC · Combo Mens League 6.5 · NTRP rating 3.0C · no line yet

2025

OLYMPIC · Adult 18 & Over Mens 3.0 · NTRP rating 3.0C · roster record 0-2 in 2 lines
OLYMPIC · Adult 18 & Over Mens 3.5 · NTRP rating 3.0C · roster record 0-1 in 1 line

2024

OLYMPIC · Adult 18 & Over Mens 3.0 · NTRP rating 3.0C · roster record 2-4 in 6 lines

2023

NOVATO TC/PIONEER PK · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.0C · roster record 1-4 in 5 lines
NOVATO TC/PIONEER PK · Adult 55 & Over Mens 7.0 · NTRP rating 3.0C · roster record 0-2 in 2 lines
OLYMPIC · Adult 18 & Over Mens 3.0 · NTRP rating 3.0C · roster record 3-4 in 7 lines
OLYMPIC · Adult 40 & Over Mens 3.5 · NTRP rating 3.0C · roster record 0-5 in 5 lines

2022

NOVATO TC/PIONEER PK · Mixed 40 & Over 7.0 · NTRP rating 3.5s · roster record 0-1 in 1 line
NOVATO TC/PIONEER PK · Adult 55 & Over Mens 7.0 · NTRP rating 3.5s · roster record 1-2 in 3 lines
OLYMPIC · Adult 40 & Over Mens 3.5 · NTRP rating 3.5A · roster record 0-6 in 6 lines

Match log

Team match	Partner	Opponents
May 16, 2026 · Doubles 3 · SectionalsL6-2, 6-2
SOLANO TA/CENTENNIAL PRK v OLYMPIC Adult 40 & Over Mens 3.0	Seth Peckler	Humberto Lupi, Douglas A Ensor
May 15, 2026 · Doubles 3 · SectionalsL6-1, 6-1
OLYMPIC v PLEASANTON Adult 40 & Over Mens 3.0	Seth Peckler	Chandrasekhar Iyer, Anish Vib
May 15, 2026 · Doubles 3 · SectionalsL6-2, 6-3
BAY CLUB COURTSIDE v OLYMPIC Adult 40 & Over Mens 3.0	Elliott Robbins	Sargon Isaac, Peter Zawilski
April 19, 2026 · Doubles 2L6-2, 6-4
CANON S and TC v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Donald Torre	Jean Alberti, Peter Brown
April 2, 2026 · Doubles 3 · PlayoffsW7-6, 6-4
OLYMPIC v GLTF/GOLDMAN TC Adult 40 & Over Mens 3.0	Seth Peckler	Frank Pontes, Sukhmeet Toor
March 15, 2026 · Doubles 2L3-6, 7-6, 1-0
NOVATO TC/PIONEER PK 40AM3.5A 1 v SCOTT VALLEY 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Donald Torre	Jarom Fawson, Francois Cottin
March 14, 2026 · Doubles 3W6-3, 6-0
BELVEDERE TC v OLYMPIC Adult 40 & Over Mens 3.0	Seth Peckler	Frank Zawilla, Jack Ryan
February 28, 2026 · Doubles 3W6-1, 6-1
MARIN YACHT v OLYMPIC Adult 40 & Over Mens 3.0	Seth Peckler	Mark Machado, Iain Anderson
February 7, 2026 · Doubles 1L6-4, 6-1
OLYMPIC v BELVEDERE TC Adult 40 & Over Mens 3.0	Elliott Robbins	Jonathan Matthews, Michael Ravina
February 2, 2026 · Doubles 3L7-5, 6-2
BAY CLUB SF TENNIS v OLYMPIC Mixed 18 & Over 6.0	Hj Brehmer	Gideon Baum, Ellen Ding
January 31, 2026 · Doubles 3W7-6, 6-0
BAY CLUB ROSS VALLEY 40AM3.5A 1 v NOVATO TC/PIONEER PK 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Brian Kaplan	Jean-Marc Sallenave, Michael Han
January 29, 2026 · Doubles 2L6-2, 6-2
GLTF/GOLDMAN TC v OLYMPIC Adult 40 & Over Mens 3.0	Dennis Williams	Frank Pontes, Matthew Hicks
January 24, 2026 · Doubles 2W6-2, 6-3
OLYMPIC v MARIN YACHT Adult 40 & Over Mens 3.0	Elliott Robbins	Paul Clark, Ethan Kaplan
January 17, 2026 · Doubles 1L6-1, 7-5
OLYMPIC v GOLDMAN TC Mixed 18 & Over 6.0	Elizabeth Cooper	William Foley, Megan Myers
April 27, 2025 · Doubles 1L6-1, 6-1
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Ryan Stastny	Jason Chapin, Herbert Louie
April 27, 2025 · Doubles 1L7-5, 6-1
OLYMPIC v BAY CLUB SF TENNIS Adult 18 & Over Mens 3.5	Thomas Boyce	Chris Dhanaraj, Simon Arnold
April 19, 2025 · Doubles 2L6-3, 2-6, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Michael Potter	Enrico Alis, Eldon Young
July 11, 2024 · Doubles 3 · PlayoffsL6-7, 6-4, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	James Taylor	Jason Jee, Brandon Simmons-Rawls
June 2, 2024 · Doubles 1L5-7, 6-4, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Jamie Diamond	Sudhanshu Garg, William Haberkorn
May 19, 2024 · Doubles 1W6-0, 6-4
OLYMPIC v GLTF/SAN FRAN ST U Adult 18 & Over Mens 3.0	Jamie Diamond	Enrico Alis, Maxwell Armenta
May 16, 2024 · Doubles 3L6-1, 6-0
GLTF/SAN FRAN ST U v OLYMPIC Adult 18 & Over Mens 3.0	John Morrison	Brian Gomola, Sai Srivatsava Vemu
May 12, 2024 · Doubles 1L7-6, 3-6, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Alex Boswell	Brandon Simmons-Rawls, Daniel Georges
April 19, 2024 · Doubles 2W3-6, 6-2, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Denis Murphy	Uttam Mandal, Frank Pontes
July 9, 2023 · Doubles 3 · PlayoffsL6-2, 6-3
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Dennis Williams	Nhan Nguyen, Uttam Mandal
June 18, 2023 · Doubles 1W6-2, 6-2
OLYMPIC v GLTF/GOLDMAN TC Adult 18 & Over Mens 3.0	Marc Chaput	Robb Young, Jason Jee
June 13, 2023 · Doubles 1L7-5, 2-6, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Marc Chaput	James Dean, Nhan Nguyen
June 11, 2023 · Singles 1L6-2, 6-0
OLYMPIC v GLTF/GOLDMAN TC Adult 18 & Over Mens 3.0	—	Jason Jee
May 14, 2023 · Doubles 2L6-3, 6-2
MT TAM RC v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Erik Sherley	Norman Slaught, Stephen Cossman
May 9, 2023 · Doubles 1L6-4, 6-3
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Elliott Robbins	Nhan Nguyen, James Dean
May 1, 2023 · Doubles 1W6-4, 6-7, 1-0
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	John Cella	Michael Wong, Ioannis Kipouros
April 16, 2023 · Doubles 2W6-3, 6-4
GLTF/GOLDMAN TC v OLYMPIC Adult 18 & Over Mens 3.0	Loren Tayerle	Steve Murray, Andrea Rossi
April 1, 2023 · Doubles 3L6-3, 6-2
MARIN TC v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Jay Zimmerman	George Jackson, Jeff Loebbaka
March 18, 2023 · Doubles 3L6-0, 6-2
GOLDMAN TC v OLYMPIC Adult 40 & Over Mens 3.5	Seth Peckler	John Wilde, John Good
March 16, 2023 · Doubles 3L6-2, 6-2
NOVATO TC/PIONEER PK 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	Stevens Manning	Huntly Gordon, John Stewart
March 7, 2023 · Doubles 2L6-1, 6-1
OLYMPIC v GOLDMAN TC Adult 40 & Over Mens 3.5	Ray Wong	Brian Bowen, Brent McDonald
March 5, 2023 · Doubles 2L6-0, 6-2
GLTF/SAN FRAN ST U v OLYMPIC Adult 40 & Over Mens 3.5	Tevis Martin	Sean Avent, Eugene Wong
February 25, 2023 · Doubles 2L6-0, 6-0
BELVEDERE TC 40AM3.5A 2 v NOVATO TC/PIONEER PK 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Edward Gamble	Van Wilshire, Douglas Bria
February 12, 2023 · Doubles 2W6-4, 6-4
NOVATO TC/PIONEER PK 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	Brian Kaplan	John Stewart, David Petrini
January 30, 2023 · Doubles 2L6-3, 6-2
OLYMPIC v BAY CLUB SF TENNIS Adult 40 & Over Mens 3.5	Denis Murphy	Russ Iwanchuk, Eric Isaacs
January 29, 2023 · Doubles 2L3-6, 6-3, 1-0
NOVATO TC/PIONEER PK 40AM3.5A 2 v ROLLING HILLS 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Lawrence Wright	Steven Lund, Rikus Locati
January 22, 2023 · Doubles 2L4-6, 7-5, 1-0
OLYMPIC v GOLDMAN TC Adult 40 & Over Mens 3.5	Adrian Fox	David Fuller, Mark Rowen
January 20, 2023 · Doubles 2L6-4, 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	Bruno Luiz Ley Santos	Rob Acker, John Stewart
July 10, 2022 · Doubles 3L6-1, 6-1
RAFAEL RC v NOVATO TC/PIONEER PK Mixed 40 & Over 7.0	Martha Martinez	Phil Neal, Sharon Klein
May 23, 2022 · Doubles 3W7-5, 1-6, 1-0
TIBURON PEN C v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Edward Gamble	Alex Gerson, Tim Kelly
May 15, 2022 · Doubles 2L6-3, 6-7, 1-0
MT TAM RC v NOVATO TC/PIONEER PK Adult 55 & Over Mens 7.0	Mike Kelly	Keith Denkler, Richard Gumbiner
April 30, 2022 · Doubles 3L6-3, 6-1
NOVATO TC/PIONEER PK v TIBURON PEN C Adult 55 & Over Mens 7.0	Stevens Manning	Jordan Eth, Geoff Howard
March 12, 2022 · Doubles 2L7-6, 6-3
OLYMPIC v BAY CLUB SF TENNIS Adult 40 & Over Mens 3.5	Ray Wong	Eric Isaacs, Anton Muzik
March 5, 2022 · Doubles 3L6-2, 7-5
GLTF/GOLDMAN TC v OLYMPIC Adult 40 & Over Mens 3.5	Seth Peckler	Robb Young, Filomeno Lacap
February 13, 2022 · Doubles 2L7-6, 6-4
GLTF/GOLDMAN TC v OLYMPIC Adult 40 & Over Mens 3.5	Mike Delagnes	Gerald Antonio, Shun Hung
February 2, 2022 · Doubles 2L6-3, 6-2
BAY CLUB SF TENNIS v OLYMPIC Adult 40 & Over Mens 3.5	Mike Delagnes	Simon Arnold, Matt Dveirin
January 22, 2022 · Doubles 3L6-3, 7-6
GOLDMAN TC v OLYMPIC Adult 40 & Over Mens 3.5	Pat Robertson	Brent McDonald, Nico Papinutto
January 8, 2022 · Doubles 3L6-2, 6-0
OLYMPIC v GLTF/GOLDMAN TC Adult 40 & Over Mens 3.5	Matt Dreyer	Satoshi Miyauchi, Tim Miller

Partners

Seth Peckler · 7 doubles lines together, 3-4
Elliott Robbins · 4 doubles lines together, 1-3