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N OR-SAC-Koeberl

2025 Adult 18 & Over · 2.5 Men

2 players · average NTRP 2.75 · USTA/PACIFIC NW / NORTHERN OREGON

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Scouting

Roster averages 2.66 estimated across 2 rated players. No lineup is published in advance, so the column below is where each player has actually been used — a captain's habits are the best available forecast. Sign in and claim your record to see who you have played.

2.77
Edgar Arruti
usually #2 Doubles 80%, also #1 Doubles 20% · published 2.5
2.54
Byoungsoo Ham
usually #2 Doubles 78%, also #1 Doubles 22% · published 3
Results16 ties
2025-08-24Lost 0–1
L#2 DoublesByoungsoo Ham / Patrick Koeberl vs Rucheek Sangani / Steve Walker6-4, 6-4
2025-08-23Won 1–0
W#2 DoublesStaley Cluts / Byoungsoo Ham vs Aaron Geiger / Roger Walker6-4, 6-2
2025-08-22Lost 0–1
L#2 DoublesByoungsoo Ham / Patrick Koeberl vs Xiaofeng Xie / Chi Yi6-0, 7-6
2025-08-09Lost 0–1
L#2 DoublesEdgar Arruti / Glen Mason vs Scott Adams / Ron Custer7-5, 6-3
2025-08-09Lost 0–1
L#1 DoublesGlen Mason / Edgar Arruti vs Ye Jiang / Tony D. Wang3-6, 6-3, 1-0
2025-08-08Lost 0–1
L#1 DoublesEdgar Arruti / Glen Mason vs Srinivas Reddy Maram / Sai Muppa6-1, 6-4
2025-08-08Lost 0–1
L#2 DoublesGlen Mason / Edgar Arruti vs Daniel Do / Jeremy Newton-Smith6-2, 6-0
2025-06-21Won 1–0
W#2 DoublesGreg Henkhaus / Edgar Arruti vs David Ruark / Matthew Thoreson6-7, 6-1, 1-0
2025-06-13Won 1–0
W#2 DoublesEdgar Arruti / Glen Mason vs Jesse Armagost / Prabhat Gupta6-4, 6-4
2025-06-08Won 1–0
W#2 DoublesGlen Mason / Edgar Arruti vs Paul Cedfeldt / Jeff Towle7-6, 6-2
2025-05-23Won 1–0
W#2 DoublesSuk Chung / Byoungsoo Ham vs Ron Rawls / Michael Sheets6-4, 6-1
2025-05-18Lost 0–1
L#2 DoublesByoungsoo Ham / Edgar Arruti vs Yiming Hu / Tony D. Wang6-4, 6-4
2025-05-09Won 1–0
W#2 DoublesByoungsoo Ham / Ricardo Ascazubi vs Michael Sheets / Ron Rawls6-3, 6-1
2025-05-03Split 1–1
W#1 DoublesByoungsoo Ham / Greg Henkhaus vs Cal Szueber / Lee Kriebaum7-5, 6-2
L#2 DoublesStaley Cluts / Edgar Arruti vs Grey Proctor / Matthew Thoreson6-3, 6-2
2025-04-19Won 2–0
W#1 DoublesByoungsoo Ham / Patrick Koeberl vs CHRISTOP JOHNSON / Jon Lavietes6-3, 6-3
W#2 DoublesEdgar Arruti / Glen Mason vs Louis Fontenot Jr / Curt Salada6-4, 6-2
2025-04-06Lost 0–1
L#2 DoublesByoungsoo Ham / Suk Chung vs Daniel Rasay / Robert Wood4-6, 7-5, 1-0
A tie can be incomplete. Tell us if someone is missing.
i
Grouped by tie — one fixture, several lines. A line shows only when a player on it is someone we have indexed, so an early-season tie for a newly-added team can look short. This also means the line count here will not match the header, which counts individual player appearances.
Roster

Ordered by our estimated dynamic rating, which is why two players at the same published level are not tied — a published 4.0 says nothing about where inside the band someone sits.

2.5
Edgar Arruti
25W–21L career
0%0%100%
2.77
3
Byoungsoo Ham
26W–33L career
24%76%0%
2.54

Three percentages are the year-end projection — chance of moving down, staying, moving up — and the number on the right is our estimated dynamic rating, which USTA never publishes. Percentages are blank where a player has too few matches this season, or at a level where the model does not yet beat a base-rate guess; the estimate is a weaker claim than a probability and survives where those do not.