Teams

No Fault

2025 OKCAdult 18 & Over League · 4.0

15 players · average NTRP 4.00 / OKLAHOMA

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Schedule12 played
2025-06-30vs Tran/StokesLost 04
L#1 DoublesJoel Lissy / Jeffrey Bowser vs Michael Peters / Brian Battershell2-6, 4-6
L#1 SinglesDallas Pennington vs Grayson Irvin1-6, 3-6
L#2 DoublesKhiem Nguyen / David Dustmann vs Greg Lane / Julian Fuller5-7, 3-6
L#3 DoublesMark Neumeister / Matthew Wall vs Rob Jackson / William Baker2-6, 1-6
2025-06-21vs ServacesSplit 22
W#1 DoublesDavid Dustmann / Khiem Nguyen vs JOHN BANAS / Greg Burge7-6, 6-3
W#1 SinglesDerek Pennington vs Logan Edens6-3, 6-4
L#2 DoublesJeffrey Bowser / Gary Broxterman vs Brent Harris / Brent Swift7-6
L#3 DoublesChristoph Schmidt-Warnecke / Brandon Stewart vs Matthew Green / Gregory Jungman5-7, 3-6
2025-06-16vs Team Beast BasiliskLost 23
W#1 DoublesKhiem Nguyen / David Dustmann vs Chad Wilson / Tony Daniels6-1, 6-0
L#1 SinglesDerek Pennington vs Martin Mata7-5, 2-6, 0-1
W#2 DoublesJoel Lissy / Corey Doyle vs Arjun Reddy / Ryan Shoemaker6-1, 3-6, 1-0
L#2 SinglesChristoph Schmidt-Warnecke vs Akroman Bekro7-6, 3-6, 0-1
L#3 DoublesBrandon Stewart / Matt Baldwin vs Colton Miller / Andrew Smith3-6, 5-7
2025-06-09vs OK/Patel/18&over4.0MLost 23
W#1 DoublesMark Neumeister / Joel Lissy vs Andrew-Quang Nguyen / Josh Calderwood6-2, 6-4
L#1 SinglesMatthew Wall vs Hans Lee2-6, 0-6
W#2 DoublesDallas Pennington / David Dustmann vs Stephen Smith / Vladimir Razryvin6-3, 7-6
L#2 SinglesDerek Pennington vs Thang Khup0-6, 2-6
L#3 DoublesGary Broxterman / Jeffrey Bowser vs Eleazar Morales / SAI CHARAN REDDY KAMIREDDY6-4, 3-6, 0-1
2025-06-06vs Ball BustersSplit 22
L#1 DoublesGary Broxterman / Jeffrey Bowser vs Michal Bieniasz / Kaleb Schroeder4-6, 6-2, 0-1
L#1 SinglesDallas Pennington vs Aaron Degrafenread3-6, 3-6
W#2 DoublesDavid Dustmann / Mark Neumeister vs Robert Kielty / Jason Compton6-7, 6-1, 1-0
W#3 DoublesCorey Doyle / Joel Lissy vs Robert Cabrera / Johnny Nguyen6-3, 6-3
2025-06-02vs David's FaultLost 14
L#1 DoublesJoel Lissy / Gary Broxterman vs Eric Hays / Russell Stafford6-7, 6-7
W#1 SinglesDerek Pennington vs Kevin Fosbenner6-1, 6-0
L#2 DoublesKhiem Nguyen / David Dustmann vs John Walker / Grant Woody5-7, 6-2, 0-1
L#2 SinglesChristoph Schmidt-Warnecke vs Alex Porter0-6, 4-6
L#3 DoublesMark Neumeister / Matthew Wall vs David Ogle / Neil Molina3-6, 4-6
2025-05-12vs Ball BustersLost 23
W#1 DoublesDavid Dustmann / Jeffrey Bowser vs Bryan Baxter / Jason Compton7-6, 7-6
L#1 SinglesDerek Pennington vs Aaron Degrafenread2-6, 0-6
L#2 DoublesDallas Pennington / Corey Doyle vs Phillip Baker / Mark Goodman6-7, 1-6
W#2 SinglesChristoph Schmidt-Warnecke vs Kevin Cue7-5, 6-4
L#3 DoublesKen Burkhart / Matthew Wall vs Jerry Day / Bryce Richard6-4, 3-6, 1-0
2025-05-05vs Tran/StokesLost 23
W#1 DoublesDallas Pennington / Christoph Schmidt-Warnecke vs Michael Peters / Greg Lane6-3, 7-5
L#1 SinglesDerek Pennington vs Rob Jackson5-7, 2-6
L#2 DoublesJeffrey Bowser / Gary Broxterman vs Julian Fuller / Lane Wheeler5-7, 4-6
L#2 SinglesChase Stewart vs Jonathan Benzer3-6, 0-6
W#3 DoublesKhiem Nguyen / David Dustmann vs Sean Smith / William Baker6-4, 6-1
2025-04-22vs Team Beast BasiliskWon 32
L#1 DoublesBrandon Stewart / Matt Baldwin vs Colton Miller / Andy Caro6-4, 3-6, 0-1
L#1 SinglesDerek Pennington vs Akroman Bekro6-7, 3-6
W#2 DoublesJeffrey Bowser / Gary Broxterman vs Trey Ourth / Andrew Smith7-5, 6-2
W#2 SinglesDallas Pennington vs Cale Wright3-6, 7-5, 1-0
W#3 DoublesCorey Doyle / Matthew Wall vs Chad Wilson / Ryan Shoemaker7-6, 6-1
2025-04-14vs OK/Patel/18&over4.0MLost 05
L#1 DoublesBrandon Stewart / David Dustmann vs Ben Dixon / Vladimir Razryvin7-6, 1-6, 0-1
L#1 SinglesKhiem Nguyen vs Hans Lee3-6, 4-6
L#2 DoublesChristoph Schmidt-Warnecke / Matt Baldwin vs Tony Mullican / Nathan Harris2-6, 2-6
L#2 SinglesChase Stewart vs Stanley Nguyen1-6, 0-6
L#3 DoublesKen Burkhart / Jeffrey Bowser vs Eleazar Morales / Stephen Smith2-6, 4-6
2025-04-07vs David's FaultLost 14
L#1 DoublesBrandon Stewart / Gary Broxterman vs Neil Molina / Canaan Gardner5-7, 6-0, 0-1
L#1 SinglesDallas Pennington vs Alex Porter1-6, 0-6
L#2 DoublesMark Neumeister / Corey Doyle vs Fernando Lopez / Bryan Veit1-6, 1-6
L#2 SinglesChase Stewart vs John Walker4-6, 4-6
W#3 DoublesDavid Dustmann / Christoph Schmidt-Warnecke vs Mark Carlin / Kevin Fosbenner6-1, 6-1
2025-03-31vs ServacesWon 41
W#1 DoublesDavid Dustmann / Jeffrey Bowser vs Lance Williams / Brent Swift6-3, 6-3
W#1 SinglesChase Stewart vs Matthew Green6-1, 6-1
W#2 DoublesBrandon Stewart / Gary Broxterman vs Chad Feller / Tim Jungman6-3, 6-4
L#2 SinglesDallas Pennington vs JOHN BANAS5-7, 6-7
W#3 DoublesCorey Doyle / Matt Baldwin vs Clay Royder / Justin Franklin7-5, 6-2
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.

Flight standings for 4.0 have not been collected yet. Where we have them we show every team in the flight ranked, with this team highlighted. The crawler is still filling in older seasons and flights.

ScoutingWhere each opponent usually plays

Signed-in extra: whether this captain plays strict strength order or mixes it up, from every doubles line they have put out. Create a free account to see it.

Roster averages 3.67 estimated across 10 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.

3.90
Christoph Schmidt-Warnecke
usually #2 Singles 43%, also #3 Doubles 29% · published 4
3.79
Khiem Nguyen
usually #2 Doubles 33%, also #1 Doubles 33% · published
Chase Stewart
usually #2 Singles 75%, also #1 Singles 25% · published 4
Dallas Pennington
usually #1 Singles 38%, also #2 Singles 25% · published 4
Derek Pennington
usually #1 Singles 86%, also #2 Singles 14% · published 4
3.71
Jeffrey Bowser
usually #1 Doubles 44%, also #2 Doubles 33% · published
3.70
David Dustmann
usually #1 Doubles 46%, also #2 Doubles 36% · published 4
3.68
Brandon Stewart
usually #1 Doubles 50%, also #3 Doubles 33% · published 4
3.65
Joel Lissy
usually #1 Doubles 60%, also #3 Doubles 20% · published
3.64
Matt Baldwin
usually #3 Doubles 50%, also #2 Doubles 25% · published
3.57
Gary Broxterman
usually #2 Doubles 50%, also #1 Doubles 38% · published
3.52
Corey Doyle
usually #3 Doubles 50%, also #2 Doubles 50% · published 4
3.50
Mark Neumeister
usually #3 Doubles 40%, also #2 Doubles 40% · published
Ken Burkhart
usually #3 Doubles 100% · published
Matthew Wall
usually #3 Doubles 80%, also #1 Singles 20% · published
Established pairs

Doubles pairs from this roster with three or more matches together anywhere — ordered by performance against what the rating gap predicted, not by record.

Brandon Stewart + David Dustmann121151% games+4.3% vs expected
David Dustmann + Khiem Nguyen8557% games+1.9% vs expected
Jeffrey Bowser + Gary Broxterman573553% games+0.4% vs expected
Matt Baldwin + Brandon Stewart5551% games−4.3% vs expected
Matt Baldwin + Corey Doyle1439% gamesnot enough data
Brandon Stewart + Joel Lissy3252% gamesnot enough data
Brandon Stewart + Khiem Nguyen3255% gamesnot enough data
Corey Doyle + Mark Neumeister224 matchesnot enough data
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. Lines played in this team’s season are shown beside each name.

4
Christoph Schmidt-Warnecke
75W–36L career · 7 lines in 2025
<1%76%24%
3.90
Khiem Nguyen
22W–23L career · 6 lines in 2025
2%91%7%
3.79
4
Chase Stewart
6W–4L career · 4 lines in 2025
not enough data
4
Dallas Pennington
7W–6L career · 8 lines in 2025
not enough data
4
Derek Pennington
3W–8L career · 7 lines in 2025
not enough data
Jeffrey Bowser
85W–70L career · 9 lines in 2025
7%91%2%
3.71
4
David Dustmann
36W–44L career · 11 lines in 2025
8%91%2%
3.70
4
Brandon Stewart
119W–70L career · 6 lines in 2025
10%89%1%
3.68
Joel Lissy
7W–6L career · 5 lines in 2025
15%85%1%
3.65
Matt Baldwin
93W–60L career · 4 lines in 2025
15%84%1%
3.64
Gary Broxterman
82W–67L career · 8 lines in 2025
32%68%<1%
3.57
4
Corey Doyle
25W–26L career · 6 lines in 2025
43%57%<1%
3.52
Mark Neumeister
36W–38L career · 5 lines in 2025
51%49%<1%
3.50
Ken Burkhart
25W–43L career · 2 lines in 2025
not enough data
Matthew Wall
4W–15L career · 5 lines in 2025
not enough data

Three percentages are where each player stands right now: the chance they are below their band, inside it, or above it, on the way they are playing this season. The number on the right is our estimated dynamic rating, which USTA never publishes. This is today rather than a forecast of December, because a forecast has to assume future matches and cannot know whether someone will even be offered them. 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.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.