The Tennis Desk

Mark Harris

NTRP rating 4.0C · 4 teams in 2026

Level

Desk level 3.85

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

YearLinesWon-lostSinglesDoubles
2026135-80-35-5
202563-33-10-2
202432-12-1—
202383-53-5—
202295-45-4—
LeagueYearWon-lost
Adult 18 & Over Mens 4.020263-1
Adult 18 & Over Mens 4.520260-3
Adult 40 & Over Mens 4.0 220262-3
Adult 40 & Over Mens 4.520260-1
Adult 18 & Over Mens 4.0 120253-1
Adult 40 & Over Mens 4.020250-2
Adult 40 & Over Mens 4.0 220242-1
Adult 18 & Over Mens 4.020233-3
Adult 40 & Over Mens 4.0 120230-2
Adult 18 & Over Mens 4.0 220222-1
Adult 18 & Over Mens 4.520220-1
Adult 40 & Over Mens 4.0 120223-2

Teams

2026

2025

2024

2023

2022

Match log

Team matchPartnerOpponents
June 13, 2026 · Doubles 1L6-3, 6-4
MILL VALLEY v LAGUNITAS CC
Adult 18 & Over Mens 4.0		Kevin KnowlesScott Niehaus, Tim Reidy
June 7, 2026 · Doubles 1L6-3, 7-6
MARIN TC v MILL VALLEY
Adult 18 & Over Mens 4.5		Mike NatenshonJames Brandt, Steve Schreck
June 7, 2026 · Doubles 2W6-3, 6-0
BELVEDERE TC v MILL VALLEY
Adult 18 & Over Mens 4.0		Kevin KnowlesKeith Lister, Charles Bigelow
May 31, 2026 · Doubles 1W6-1, 6-2
MILL VALLEY v SCOTT VALLEY
Adult 18 & Over Mens 4.0		Mark ShawWilliam Holtz, Mark Downing
May 30, 2026 · Doubles 3L7-5, 6-1
FLYTE RC v MILL VALLEY
Adult 18 & Over Mens 4.5		Mike NatenshonNick Opderbeck, Geoffrey Gerding
April 19, 2026 · Doubles 1W6-4, 6-3
MARIN TC v MILL VALLEY
Adult 18 & Over Mens 4.0		Mark ShawWill Lee, Ara Hamamjian
April 18, 2026 · Doubles 2L6-3, 7-5
FLYTE RC v MILL VALLEY
Adult 18 & Over Mens 4.5		Mark ShawCaben Chester, Tim Rose
March 12, 2026 · Singles 1L6-3, 6-0
BELVEDERE TC 40AM4.0A [BTC 40AM4.0A] 2 v RAFAEL RC 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		—Michael Grady
February 14, 2026 · Singles 1L6-0, 6-1
ROHNERT PK TC/MAGNOLIA/M PK v MILL VALLEY
Adult 40 & Over Mens 4.5		—Seth Nobmann
February 7, 2026 · Doubles 1W6-2, 6-1
BELVEDERE TC 40AM4.0A [BTC 40AM4.0A] 2 v ROLLING HILLS 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		Fan ZhangDouglas de Salvo, Peter Kennedy
January 31, 2026 · Singles 1L6-3, 6-1
RAFAEL RC 40AM4.0A 2 v BELVEDERE TC 40AM4.0A [BTC 40AM4.0A] 2
Adult 40 & Over Mens 4.0 2		—Michael Grady
January 24, 2026 · Doubles 1L6-3, 6-3
BELVEDERE TC 40AM4.0A [BTC 40AM4.0A] 2 v BOYLE PK 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		Gregory ChamberlainEd Korenman, Mark Stuart
January 18, 2026 · Doubles 1W6-3, 6-3
BELVEDERE TC 40AM4.0A [BTC 40AM4.0A] 2 v MARIN TC 40AM4.0B 2
Adult 40 & Over Mens 4.0 2		Gregory ChamberlainJohn Honey, Charles Spelman
June 8, 2025 · Singles 1W6-0, 6-7, 1-0
ROLLING HILLS 18AM4.0A 1 v BELVEDERE TC 18AM4.0A 1
Adult 18 & Over Mens 4.0 1		—Andrew Irish
May 31, 2025 · Singles 1W7-6, 6-3
MILL VALLEY 18AM4.0A 1 v BELVEDERE TC 18AM4.0A 1
Adult 18 & Over Mens 4.0 1		—Nickolay Bochilo
May 4, 2025 · Singles 1L6-1, 5-7, 1-0
BELVEDERE TC 18AM4.0A 1 v ROLLING HILLS 18AM4.0A 1
Adult 18 & Over Mens 4.0 1		—Sachin Monga
April 13, 2025 · Singles 1W6-4, 6-1
SCOTT VALLEY 18AM4.0A 1 v BELVEDERE TC 18AM4.0A 1
Adult 18 & Over Mens 4.0 1		—Gabriel Sandrolini
March 8, 2025 · Doubles 3L6-3, 6-4
BELVEDERE TC v BOYLE PK
Adult 40 & Over Mens 4.0		Rocky MossChris McClain, Michael Whitaker
January 11, 2025 · Doubles 2L6-1, 3-6, 1-0
SCOTT VALLEY v BELVEDERE TC
Adult 40 & Over Mens 4.0		Timothy CunninghamEric Schwartzman, Bryce Emo
April 14, 2024 · Singles 1 · PlayoffsL3-6, 7-5, 1-0
MARIN TC 40AM4.0A 2 v BELVEDERE TC 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		—Gary Russillo
March 16, 2024 · Singles 1W6-4, 6-3
BELVEDERE TC 40AM4.0A 2 v MT TAM RC 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		—Mark Schiller
January 14, 2024 · Singles 1W6-3, 6-3
SCOTT VALLEY 40AM4.0A 2 v BELVEDERE TC 40AM4.0A 2
Adult 40 & Over Mens 4.0 2		—Peter Eliopoulos
June 10, 2023 · Singles 2W6-2, 6-3
MT TAM RC v BELVEDERE TC
Adult 18 & Over Mens 4.0		—Rick Karvasales
June 4, 2023 · Singles 2W7-6, 6-4
BAY CLUB ROSS VALLEY v BELVEDERE TC
Adult 18 & Over Mens 4.0		—Josh Jaffe
May 21, 2023 · Singles 2L3-6, 6-3, 1-0
MARIN TC v BELVEDERE TC
Adult 18 & Over Mens 4.0		—Gary Russillo
May 6, 2023 · Singles 1L7-6, 5-7, 1-0
MILL VALLEY v BELVEDERE TC
Adult 18 & Over Mens 4.0		—Lane Shackleton
April 22, 2023 · Singles 1W7-5, 7-5
ROLLING HILLS v BELVEDERE TC
Adult 18 & Over Mens 4.0		—Andrew Patterson
April 16, 2023 · Singles 1L6-1, 6-4
BELVEDERE TC v TIBURON PEN C
Adult 18 & Over Mens 4.0		—Jonathan Golden
March 15, 2023 · Singles 1L7-5, 7-6
BELVEDERE TC 40AM4.0A 1 v TIBURON PEN C 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Brett Mulberg
February 12, 2023 · Singles 1L6-3, 2-2
TIBURON PEN C 40AM4.0A 1 v BELVEDERE TC 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Brett Mulberg
July 10, 2022 · Singles 1 · PlayoffsL6-1, 6-3
MILL VALLEY 18AM4.0A 2 v BELVEDERE TC 18AM4.0A 2
Adult 18 & Over Mens 4.0 2		—Mike Natenshon
May 28, 2022 · Singles 2L6-0, 6-3
MAGNOLIA/M PK v MILL VALLEY
Adult 18 & Over Mens 4.5		—Jake Lam
May 7, 2022 · Singles 1W6-1, 6-2
BELVEDERE TC 18AM4.0A 2 v ROLLING HILLS 18AM4.0A 2
Adult 18 & Over Mens 4.0 2		—Jean-Claude Kalache
April 23, 2022 · Singles 1W6-1, 3-2
BOYLE PK 18AM4.0A 2 v BELVEDERE TC 18AM4.0A 2
Adult 18 & Over Mens 4.0 2		—Paul Brennan
March 26, 2022 · Singles 1 · PlayoffsL6-2, 6-4
MILL VALLEY 40AM4.0A 1 v BELVEDERE TC 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Michael Ellis
February 12, 2022 · Singles 1W6-0, 7-6
BELVEDERE TC 40AM4.0A 1 v MARINWOOD COMM CTR 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Bartek Zacharewicz
February 5, 2022 · Singles 1W6-4, 6-4
BOYLE PK 40AM4.0A 1 v BELVEDERE TC 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Lars Wermer
January 30, 2022 · Singles 1W3-6, 6-3, 1-0
BELVEDERE TC 40AM4.0A 1 v MILL VALLEY 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Nick Bockh
January 9, 2022 · Singles 1L6-3, 6-2
MARINWOOD COMM CTR 40AM4.0A 1 v BELVEDERE TC 40AM4.0A 1
Adult 40 & Over Mens 4.0 1		—Bartek Zacharewicz

Partners