2026 ADULT 18&Over · Men's 4.0

MARIN TC 18AM4.0A

USTA NorCal · 2026 · 23 players · #10 in subflight

2–7

-17 court diff

Next match · Men's 4.0

@ RAFAEL RC 18AM4.0A

Jun 13

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Team rating3.81best legal lineup

Court rating3.62avg fielded so far

Schedule3.72avg opponent faced

Standing#10of 11 in subflight

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Roster · 23

Player	Level	Perf	30-day	Record	Singles	Doubles	Bump
DB David Bell	4.0	4.20	+0.01	1–1	—	1–1	▲100%4.5
MG Michael Graziano	4.0	3.83	+0.04	3–3	—	3–3	—
WL Will Lee	4.0	3.82	—	0–3	0–1	0–2	—
ML Michael Lustenberger	4.0	3.79	−0.03	1–3	—	1–3	—
ED Ethan Dornhelm	4.0	3.76	—	2–2	2–1	0–1	—
NS Nick Stiritz	4.0	3.74	+0.02	2–3	2–3	—	—
PK Phillip Korolog	4.0	3.71	−0.02	2–2	2–2	—	—
GT Gregg Trueman	4.0	3.67	—	0–1	—	0–1	—
DS David Sadoff	4.0	3.66	+0.05	1–2	—	1–2	—
PR Peter Rogers	4.0	3.66	+0.07	1–2	—	1–2	—
KH Kevin Hakman	4.0	3.66	—	0–2	—	0–2	—
MC Matthew Core	3.5	3.63	—	2–2	0–1	2–1	▲100%4.0
JP Jonathan Parker	4.0	3.61	+0.05	1–1	—	1–1	—
JG Justin Gamache	4.0	3.61	—	1–1	—	1–1	—
CC Chris Cooper	3.5	3.55	+0.06	0–2	0–1	0–1	▲85%4.0
LM Laurence MacKler	4.0	3.55	—	0–3	—	0–3	▼18%3.5
DK Doke Kim	3.5	3.53	+0.04	1–2	—	1–2	▲70%4.0
AH Ara Hamamjian	4.0	3.48	—	2–2	—	2–2	▼63%3.5
SJ Steve Juliani	3.5	3.43	+0.02	0–2	—	0–2	—
DB Derek Boorse	4.0	3.41	−0.01	0–4	—	0–4	▼96%3.5
DS David Shepard	3.5	3.38	—	0–2	—	0–2	—
KH Kai He	3.5	3.38	−0.01	1–2	1–2	—	—
JO Jody Osterweil	3.5	3.32	+0.03	0–2	—	0–2	—

David Bell

1–1 · S — · D 1–1

4.0

4.20+0.01▲100%

Michael Graziano

3–3 · S — · D 3–3

4.0

3.83+0.04

Will Lee

0–3 · S 0–1 · D 0–2

4.0

3.82

Michael Lustenberger

1–3 · S — · D 1–3

4.0

3.79−0.03

Ethan Dornhelm

2–2 · S 2–1 · D 0–1

4.0

3.76

Nick Stiritz

2–3 · S 2–3 · D —

4.0

3.74+0.02

Phillip Korolog

2–2 · S 2–2 · D —

4.0

3.71−0.02

Gregg Trueman

0–1 · S — · D 0–1

4.0

3.67

David Sadoff

1–2 · S — · D 1–2

4.0

3.66+0.05

Peter Rogers

1–2 · S — · D 1–2

4.0

3.66+0.07

Kevin Hakman

0–2 · S — · D 0–2

4.0

3.66

Matthew Core

2–2 · S 0–1 · D 2–1

3.5

3.63▲100%

Jonathan Parker

1–1 · S — · D 1–1

4.0

3.61+0.05

Justin Gamache

1–1 · S — · D 1–1

4.0

3.61

Chris Cooper

0–2 · S 0–1 · D 0–1

3.5

3.55+0.06▲85%

Laurence MacKler

0–3 · S — · D 0–3

4.0

3.55▼18%

Doke Kim

1–2 · S — · D 1–2

3.5

3.53+0.04▲70%

Ara Hamamjian

2–2 · S — · D 2–2

4.0

3.48▼63%

Steve Juliani

0–2 · S — · D 0–2

3.5

3.43+0.02

Derek Boorse

0–4 · S — · D 0–4

4.0

3.41−0.01▼96%

David Shepard

0–2 · S — · D 0–2

3.5

3.38

Kai He

1–2 · S 1–2 · D —

3.5

3.38−0.01

Jody Osterweil

0–2 · S — · D 0–2

3.5

3.32+0.03

Where we win · by court

2–7

5–4

3–6

2–7

2–6

Standings

1MILL VALLEY 18AM4.0A8–1+17 2PRIORY TC 18AM4.0A7–2+13 3BELVEDERE TC 18AM4.0A7–2+1 4LAGUNITAS CC 18AM4.0A5–4+9 5BOYLE PK 18AM4.0A4–4+6 6RAFAEL RC 18AM4.0A4–4+4 7TIBURON PEN C 18AM4.0A4–5+1 8ROLLING HILLS 18AM4.0A4–40 9MT TAM RC 18AM4.0A3–6-13 10MARIN TC 18AM4.0A2–7-17 11SCOTT VALLEY 18AM4.0A0–9-21

Lineup order

7/9matches fielded in rating order · 78% · 2 out of order

Apr 19 vs MILL VALLEY 18AM4.0A

S2 3.75 outrated S1 3.26+0.49

Nick Stiritz at S2 · Kai He at S1

May 10 vs BELVEDERE TC 18AM4.0A

S2 3.85 outrated S1 3.38+0.47

Will Lee at S2 · Kai He at S1

A lower line fielding a stronger player or pair than the line above it. Often reflects who was available, not intent — estimated from each player's rating at match time, not an official USTA finding.

Schedule · 10

Apr 19 vs MILL VALLEY 18AM4.0A	L 2–3
Apr 25 vs BOYLE PK 18AM4.0A	L 1–4
Apr 26 @ TIBURON PEN C 18AM4.0A	L 0–5
Apr 30 @ ROLLING HILLS 18AM4.0A	L 1–4
May 1 vs SCOTT VALLEY 18AM4.0A	W 3–2
May 10 @ BELVEDERE TC 18AM4.0A	L 1–4
May 15 vs LAGUNITAS CC 18AM4.0A	W 3–2
May 28 @ MT TAM RC 18AM4.0A	L 2–3
May 31 vs PRIORY TC 18AM4.0A	L 1–4
Jun 13 @ RAFAEL RC 18AM4.0A	Scheduled