John Stewart

NTRP rating 3.5C · 5 teams in 2026

Level

Desk level 3.18

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	18	7-11	—	7-11
2025	6	2-4	—	2-4
2024	15	5-10	1-1	4-9
2023	12	4-8	—	4-8
2022	11	4-7	—	4-7

League	Year	Won-lost
Adult 18 & Over Mens 3.5	2026	2-5
Adult 40 & Over Mens 3.5 2	2026	3-1
Combo Mens League 7.5	2026	1-0
Mixed 18 & Over 8.0	2026	0-2
Mixed 40 & Over 7.0 1	2026	1-3
Adult 18 & Over Mens 3.5	2025	1-3
Adult 40 & Over Mens 3.5 2	2025	1-1
Adult 18 & Over Mens 3.5 2	2024	3-6
Adult 40 & Over Mens 3.5 1	2024	2-4
Adult 18 & Over Mens 3.5 1	2023	1-3
Adult 40 & Over Mens 3.5 2	2023	2-3
Combo Mens League 7.5 2	2023	1-2
Adult 18 & Over Mens 3.5 1	2022	2-2
Adult 40 & Over Mens 3.5	2022	2-4
Combo Mens League 7.5	2022	0-1

Teams

2026

TIBURON PEN C · Adult 18 & Over Mens 3.5 · NTRP rating 3.5C · roster record 2-5 in 7 lines
TIBURON PEN C · Mixed 18 & Over 8.0 · NTRP rating 3.5C · roster record 0-2 in 2 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 3-1 in 4 lines
TIBURON PEN C · Mixed 40 & Over 7.0 1 · NTRP rating 3.5C · roster record 1-3 in 4 lines
TIBURON PEN C · Combo Mens League 7.5 · NTRP rating 3.5C · roster record 1-0 in 1 line

2025

TIBURON PEN C · Adult 18 & Over Mens 3.5 · NTRP rating 3.5C · roster record 1-3 in 4 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 1-1 in 2 lines

2024

TIBURON PEN C · Adult 18 & Over Mens 3.5 2 · NTRP rating 3.5C · roster record 3-6 in 9 lines
TIBURON PEN C · Adult 40 & Over Mens 3.5 1 · NTRP rating 3.5C · roster record 2-4 in 6 lines

2023

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

2022

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

Match log

Team match	Partner	Opponents
August 27, 2026 · Doubles 3W6-4, 6-3
MT TAM RC v TIBURON PEN C Combo Mens League 7.5	Arne Morkemo	Juanito Guzman, Mark Friedman
August 1, 2026 · Doubles 1L6-1, 0-6, 1-0
TIBURON PEN C 40MX7.0A 1 v MARIN TC 40MX7.0A 1 Mixed 40 & Over 7.0 1	Angela Webster	Steve Juliani, Karen Loebbaka
July 7, 2026 · Doubles 1L1-6, 6-4, 1-0
TIBURON PEN C 40MX7.0A 1 v MT TAM RC 40MX7.0A 1 Mixed 40 & Over 7.0 1	Elaine Moore	Sara Crate, Stephen Crump
July 2, 2026 · Doubles 1W2-6, 6-3, 1-0
TIBURON PEN C 40MX7.0A 1 v ROLLING HILLS 40MX7.0A 1 Mixed 40 & Over 7.0 1	Elaine Moore	Katie Ward, Patrick Rimbaud
June 27, 2026 · Doubles 2L6-0, 6-4
MT TAM RC 40MX7.0A 1 v TIBURON PEN C 40MX7.0A 1 Mixed 40 & Over 7.0 1	Charlotte Will	Kurt Burkhard, Jessie Schroeder
June 13, 2026 · Doubles 2L5-7, 6-3, 1-0
ROLLING HILLS v TIBURON PEN C Adult 18 & Over Mens 3.5	Emir Keye	Anthony Sajewicz, ERIC SOTHERN
June 4, 2026 · Doubles 3L6-3, 0-6, 1-0
TIBURON PEN C v MILL VALLEY Adult 18 & Over Mens 3.5	David Petrini	Michael Morrone, Doug Turner
May 22, 2026 · Doubles 3L7-5, 6-3
TIBURON PEN C v RAFAEL RC Adult 18 & Over Mens 3.5	Tim Kelly	Matthew Alba, Terrence Cush
May 16, 2026 · Doubles 2L7-6, 6-1
BELVEDERE TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Jason Day	Max Catalano, Houman Behzadi
May 12, 2026 · Doubles 2W7-6, 6-4
MARIN TC v TIBURON PEN C Adult 18 & Over Mens 3.5	Arne Morkemo	Matthew Sharp, Nicolas Pommier
April 30, 2026 · Doubles 2W6-3, 6-4
TIBURON PEN C v MARIN CC Adult 18 & Over Mens 3.5	Emir Keye	Emmet Peppers, John Buscaglia
April 26, 2026 · Doubles 2L7-6, 4-6, 1-0
SCOTT VALLEY v TIBURON PEN C Adult 18 & Over Mens 3.5	Jordan Eth	Sajot Grewal, Mark Downing
March 8, 2026 · Doubles 3L6-2, 3-0
RAFAEL RC v TIBURON PEN C Mixed 18 & Over 8.0	Yawen Wang	Kate McMillan, Michael S Rice
March 5, 2026 · Doubles 2L6-2, 6-4
TIBURON PEN C 40AM3.5A 2 v MT TAM RC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Owen Leary	Bill Denler, David Grayson
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	Rob Acker	Michael Almeraris, Patrick Rimbaud
February 21, 2026 · Doubles 2W7-6, 6-1
TIBURON PEN C 40AM3.5A 2 v MARIN TC 40AM3.5B 2 Adult 40 & Over Mens 3.5 2	Jordan Eth	Mark Clem, Drew Morrell
January 30, 2026 · Doubles 3L6-2, 6-1
MARIN TC v TIBURON PEN C Mixed 18 & Over 8.0	Stacy Achuck	Carnet Williams, Rachel Ogdie
January 12, 2026 · Doubles 2W6-2, 6-3
MARIN CC 40AM3.5A 2 v TIBURON PEN C 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Ben Fisher	Kyle Frazier, Michael Milano
June 12, 2025 · Doubles 3W6-3, 7-6
TIBURON PEN C v ROLLING HILLS Adult 18 & Over Mens 3.5	Emir Keye	Ryan Janos, Noah Dehlinger
May 23, 2025 · Doubles 1L6-2, 6-2
TIBURON PEN C 18AM3.5A v TIBURON PEN C 18AM3.5B Adult 18 & Over Mens 3.5	Emir Keye	Dan Etchevers, Charles Muller
May 17, 2025 · Doubles 1L7-5, 6-2
MILL VALLEY v TIBURON PEN C Adult 18 & Over Mens 3.5	Emir Keye	Scott Dalton, Patrick Ryan
May 8, 2025 · Doubles 1L6-3, 6-1
TIBURON PEN C v BELVEDERE TC Adult 18 & Over Mens 3.5	Arne Morkemo	Christopher Sheldon, James Redfern
March 8, 2025 · Doubles 3L3-6, 6-2, 1-0
TIBURON PEN C 40AM3.5A 2 v MT TAM RC 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Jason Day	Richard Gumbiner, Stephen Cossman
February 23, 2025 · Doubles 3W6-3, 3-6, 1-0
TIBURON PEN C 40AM3.5A 2 v SCOTT VALLEY 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	Matthew Hart	Mark Downing, Casey O'Connor
June 10, 2024 · Doubles 1L6-0, 6-0
TIBURON PEN C 18AM3.5B 2 v BELVEDERE TC 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	James Hendy	Van Wilshire, Thomas Chung
June 8, 2024 · Singles 1L6-3, 6-1
NOVATO TC/PIONEER PK 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	—	Brian Kaplan
June 1, 2024 · Doubles 2W7-6, 6-4
TIBURON PEN C 18AM3.5B 2 v MARIN CC 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	Rick Sichel	Kyle Frazier, Jeff Sell
May 23, 2024 · Singles 2W3-6, 6-4, 1-0
SCOTT VALLEY 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	—	Sean Wales
May 16, 2024 · Doubles 1L5-7, 6-4, 1-0
TIBURON PEN C 18AM3.5B 2 v RAFAEL RC 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	James Hendy	Greg Martinez, Geoff Hazard
May 12, 2024 · Doubles 1W3-6, 6-2, 1-0
BELVEDERE TC 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	Christopher Povio	Christopher Sargent, Christopher Sheldon
May 9, 2024 · Doubles 1L6-0, 6-1
RAFAEL RC 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	Pat Cunneen	Christopher Skelton, Pic Walker
April 30, 2024 · Doubles 1L3-6, 6-1, 1-0
TIBURON PEN C 18AM3.5B 2 v NOVATO TC/PIONEER PK 18AM3.5A 2 Adult 18 & Over Mens 3.5 2	James Hendy	Somasekar Srinivasan, Brian Kaplan
April 28, 2024 · Doubles 1L6-1, 6-0
MARIN CC 18AM3.5A 2 v TIBURON PEN C 18AM3.5B 2 Adult 18 & Over Mens 3.5 2	David Petrini	John Buscaglia, Patrick Dean
March 15, 2024 · Doubles 2L6-4, 5-7, 1-0
TIBURON PEN C 40AM3.5A 1 v BELVEDERE TC 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Rick Sichel	Christopher Sheldon, Nick Meyer
March 9, 2024 · Doubles 3L6-4, 6-1
TIBURON PEN C 40AM3.5A 1 v RAFAEL RC 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	David Petrini	Phil Neal, Kevin Scheer
February 11, 2024 · Doubles 2L6-4, 7-5
ROLLING HILLS 40AM3.5A 1 v TIBURON PEN C 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Bob Kulperger	Steven Lund, Jason McCall
February 3, 2024 · Doubles 2W6-2, 6-2
RAFAEL RC 40AM3.5A 1 v TIBURON PEN C 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	Bob Kulperger	Steven Walker, Mark Krajan
January 18, 2024 · Doubles 2L4-6, 6-2, 1-0
TIBURON PEN C 40AM3.5A 1 v TIBURON PEN C 40AM3.5B 1 Adult 40 & Over Mens 3.5 1	David Petrini	Jordan Eth, Peter Yolles
January 4, 2024 · Doubles 2W6-1, 6-3
TIBURON PEN C 40AM3.5A 1 v ROLLING HILLS 40AM3.5A 1 Adult 40 & Over Mens 3.5 1	David Petrini	Matthijs Dietvorst, Chuck Hulsey
September 24, 2023 · Doubles 1L6-3, 6-1
TIBURON PEN C CM7.5A 2 v RAFAEL RC CM7.5A 2 Combo Mens League 7.5 2	David Sherry	Tony Gambardella, Christopher Skelton
September 16, 2023 · Doubles 1L4-6, 7-5, 1-0
RAFAEL RC CM7.5A 2 v TIBURON PEN C CM7.5A 2 Combo Mens League 7.5 2	David Sherry	Jeffrey Thornton, Derek Weller
September 2, 2023 · Doubles 3W6-4, 6-4
SCOTT VALLEY CM7.5A 2 v TIBURON PEN C CM7.5A 2 Combo Mens League 7.5 2	David Sherry	Wesley MacLaggan, Derrick Wong
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	Rob Acker	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	Rob Acker	Chris Beard, Roland Davantes
May 31, 2023 · Doubles 1L7-5, 6-3
TIBURON PEN C 18AM3.5A 1 v MILL VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Andy Pham	Paul Rimas, Nico Safrit
May 21, 2023 · Doubles 2L1-6, 7-5, 1-0
BAY CLUB ROSS VALLEY 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Joshua Endler	Mark Britschgi, Morgan Lam
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	Rob Acker	Sebastian Rouas, Mitchell Wortzman
March 23, 2023 · Doubles 2 · PlayoffsL7-6, 2-6, 1-0
TIBURON PEN C 40AM3.5B [Overserved] 2 v MILL VALLEY 40AM3.5A 2 Adult 40 & Over Mens 3.5 2	John Parsons	Patrick Ryan, Adrian Fadrhonc
March 16, 2023 · Doubles 3W6-2, 6-2
NOVATO TC/PIONEER PK 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	Huntly Gordon	Stevens Manning, John Ringgenberg
February 12, 2023 · Doubles 2L6-4, 6-4
NOVATO TC/PIONEER PK 40AM3.5A 2 v TIBURON PEN C 40AM3.5B [Overserved] 2 Adult 40 & Over Mens 3.5 2	David Petrini	John Ringgenberg, Brian Kaplan
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	Rob Acker	Bruno Luiz Ley Santos, John Ringgenberg
September 17, 2022 · Doubles 2L6-3, 6-2
RAFAEL RC v TIBURON PEN C Combo Mens League 7.5	David Sherry	Tony Gambardella, Matt Stanley
July 8, 2022 · Doubles 3 · PlayoffsW2-6, 6-1, 1-0
TIBURON PEN C 18AM3.5A 1 v BELVEDERE TC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Christopher Povio	Quentin Hills, Michael Lasky
May 26, 2022 · Doubles 3L6-2, 6-3
TIBURON PEN C 18AM3.5A 1 v BELVEDERE TC 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Matthew Schmidt	Thomas Byrne, RJ Sheedy
May 22, 2022 · Doubles 3L7-6, 7-6
BAY CLUB ROSS VALLEY 18AM3.5A 1 v TIBURON PEN C 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Victor Hwang	Greg Sieck, Andrew May
May 6, 2022 · Doubles 2W2-6, 6-4, 1-0
TIBURON PEN C 18AM3.5A 1 v BAY CLUB ROSS VALLEY 18AM3.5A 1 Adult 18 & Over Mens 3.5 1	Charles Muller	Eric Debbane, Chris Cooper
March 12, 2022 · Doubles 3W4-6, 6-0, 1-0
RAFAEL RC v TIBURON PEN C Adult 40 & Over Mens 3.5	Rob Acker	Kevin Scheer, Craig Thigpen
March 2, 2022 · Doubles 2L7-5, 6-3
ROLLING HILLS v TIBURON PEN C Adult 40 & Over Mens 3.5	Matthew Hart	Scott Griffiths, Pete Olson
February 13, 2022 · Doubles 2L7-5, 6-0
BELVEDERE TC v TIBURON PEN C Adult 40 & Over Mens 3.5	Matthew Schmidt	Mike Ogborne, RJ Sheedy
January 29, 2022 · Doubles 3L6-1, 6-3
TIBURON PEN C v MILL VALLEY Adult 40 & Over Mens 3.5	Joshua Endler	Patrick Ryan, Paul Rimas
January 22, 2022 · Doubles 2L3-6, 6-3, 1-0
NOVATO TC/PIONEER PK v TIBURON PEN C Adult 40 & Over Mens 3.5	Matthew Schmidt	Somasekar Srinivasan, Donald Torre
January 15, 2022 · Doubles 1W6-3, 6-4
TIBURON PEN C v MARIN TC Adult 40 & Over Mens 3.5	Richard Greenberg	Stewart Mitchell, Tassos Papadimos

Partners

Rob Acker · 6 doubles lines together, 4-2
David Petrini · 6 doubles lines together, 1-5
Emir Keye · 5 doubles lines together, 2-3
David Sherry · 4 doubles lines together, 1-3
Arne Morkemo · 3 doubles lines together, 2-1
James Hendy · 3 doubles lines together, 0-3
Matthew Schmidt · 3 doubles lines together, 0-3