Ahn, Charles

USTA ID
919355418
Gender
Male
Location
Chicago, IL
WTN ID
AHN3211700

TennisLink · USTA · WTN

Active Flights

M 4.0 Winter
Tam (Bhat)
Mixed 9.0 Winter
Wlmt (Nakamura)
40 & Over M 4.0 Winter
Tam (Bhat)

NTRP Ratings

RatingTypeYearDateExpires
4.0 C 2025 Dec. 31, 2025 Dec. 31, 2028

WTN Ratings

Singles
25.89
Confidence 80 · 24.2–27.6
Doubles
26.37
Confidence 80 · 24.7–28.1

Position Distribution

Men's Combo 4.0
55 matches
1# Doubles
20 (36%)
1# Singles
12 (22%)
2# Doubles
10 (18%)
2# Singles
7 (13%)
3# Doubles
6 (11%)
Mixed Doubles 10.0
3 matches
1# Doubles
2 (67%)
2# Doubles
1 (33%)
Mixed Doubles 7.5
3 matches
1# Doubles
3 (100%)
Mixed Doubles 9.0
3 matches
1# Doubles
1 (33%)
2# Doubles
1 (33%)
3# Doubles
1 (33%)

Partners

PartnerWLxWTogether
Andrew Zens 2 6 3.7 8
Charlie Turri 3 1 2.3 4
Keith Sgariglia 2 1 1.7 3
Marc Adams 2 0 1.0 2
Paul Chen 1 1 1.0 2
Young Choi 1 1 1.1 2
Martina Dragoytchev 1 0 0.5 1
Argiris Kantzavelos 1 0 0.5 1
Nicole Kitsuse 1 0 0.7 1
Amanda Nunez 1 0 0.4 1
Jordan Federbush 1 0 0.5 1
Collin Moore 1 0 0.5 1
Erin Baker 0 1 0.4 1
Cassandra Montoya 0 1 0.3 1
Jason Hui 0 1 0.3 1
Douglas Ip 0 1 0.2 1
Jamie Burns 1 0 0.5 1
Charles Phelps 1 0 0.8 1
Andrew Meyer 1 0 0.9 1
Alexander DeMay 1 0 0.2 1
John Leubner 0 1 0.4 1
William Steinman 0 1 0.2 1
Laura Purcell 1 0 0.5 1
Angela Hanson 0 1 0.3 1
Julianne Hartzell 1 0 0.8 1
Jincheng Zhu 0 1 0.8 1
Xizhuo Cao 1 0 0.3 1
Keith Boutell 0 1 0.2 1
Gerardo Vega 0 1 0.3 1
Ted Tubekis 1 0 0.7 1

Opponents

OpponentWLxWFaced
Bruce Thornquist 2 1 2.0 3
Adrian Ciuca 0 3 1.2 3
Saverio Suraci 0 2 1.1 2
Jonathan Gawlak 1 1 1.1 2
Ernesto Diaz 1 1 0.6 2
Todd Dahlquist 1 1 0.5 2
Greg Tevonian 1 1 1.5 2
Young Choi 1 1 1.0 2
Jonathan Cooper 1 1 1.4 2
Eric Gordon 1 1 1.6 2
Brett Wangman 1 1 0.5 2
Rami Suleiman 2 0 0.9 2
Danny Postel 2 0 0.9 2
Mark Noe 1 0 0.5 1
Sophia Chang Stauffer 1 0 0.7 1
Dennis Kontorovich 1 0 0.7 1
Youngbin Lim 0 1 0.3 1
Christopher Urso 0 1 0.3 1
Michael Baddeloo 1 0 0.4 1
Keara Miller 1 0 0.4 1
Alexander Mushinskiy 0 1 0.1 1
Chris McGuire 0 1 0.8 1
Lucas Kukulka 0 1 0.8 1
Bill Bowman 0 1 0.4 1
Tara Borre 0 1 0.4 1
Jacek Grabiec 0 1 0.4 1
Chris O'Malley 1 0 0.5 1
Masaki Nozawa 0 1 0.2 1
KOHEI YAMAMOTO 0 1 0.2 1
Dal Bristow 0 1 0.3 1
Jane Ford 0 1 0.3 1
Ty Caughell 0 1 0.3 1
David Kahley 1 0 0.4 1
John Leubner 0 1 0.3 1
John Gatz 0 1 0.7 1
Brian Benzer 1 0 0.9 1
Collin Moore 1 0 0.9 1
Tsubasa Watanabe 1 0 0.3 1
Randy Orr 1 0 0.3 1
Wojciech Bubien 1 0 0.8 1
Michael Carl 1 0 0.8 1
Derek Majka 0 1 0.5 1
Steve Franks 1 0 0.9 1
Zeno Popa 0 1 0.4 1
Jay Goldner 1 0 0.3 1
Patrick Seermon 1 0 0.3 1
Dwight Anderson 0 1 0.7 1
Frank de Carlo 1 0 0.4 1
Rex J Lao 1 0 0.4 1
Rafael Ramalho 0 1 0.2 1
Mladen Stojanovic 1 0 0.8 1
Joon Sung 0 1 0.5 1
Rafael Lozada 0 1 0.4 1
Carlos Flores 0 1 0.4 1
Matt Burghgraef 1 0 0.2 1
Craig Berry 1 0 0.2 1
Dan Saviano 0 1 0.6 1
Todd Wagner 0 1 0.4 1
Andrew Meyer 0 1 0.4 1
Geoffrey Miller 1 0 0.7 1
Mark Carman 1 0 0.7 1
Gene Huh 0 1 0.2 1
Mark Krizmanich 0 1 0.2 1
Edward Graft 1 0 0.6 1
Tanja Boskovic 1 0 0.5 1
Paul Leonardo 1 0 0.5 1
Jennifer Koo 0 1 0.3 1
Jill Lauesen 1 0 0.8 1
Parker Turnipseed 1 0 0.8 1
Steve Yoon 0 1 0.8 1
John Weigand 0 1 0.8 1
Dan Stolar 1 0 0.3 1
James Lee 0 1 0.4 1
Walker Nodine 0 1 0.6 1
Jon Donnowitz 0 1 0.3 1
Brian Levitas 0 1 0.6 1
Young Lee 1 0 0.5 1
Derek Kaden 0 1 0.2 1
Charles Badrov 0 1 0.3 1
Gregg Rousseau 0 1 0.3 1
Krystian Drozdz 1 0 0.7 1
Emmett Johnson 1 0 0.7 1

Match History (64)

DateFlightPosPartnerOpponent(s)ScoreP(win)Result
4/17/2026 Mixed 9.0 Winter 2# Doubles Martina Dragoytchev 6-0 6-0 W
2/28/2026 40 & Over M 4.0 Winter 2# Doubles Argiris Kantzavelos 6-0 6-0 W
2/22/2026 M 4.0 Winter 2# Singles — Mark Noe 1-6 6-5 1-0 47% W
2/8/2026 M 4.0 Winter 2# Singles — Saverio Suraci 3-6 4-2 1-0 60% L
1/18/2026 Mixed 9.0 Winter 3# Doubles Nicole Kitsuse Sophia Chang Stauffer / Dennis Kontorovich 6-4 5-4 71% W
1/17/2026 M 4.0 Winter 1# Doubles Andrew Zens Youngbin Lim / Christopher Urso 6-4 6-4 34% L
12/21/2025 40&O Men 4.0 1# Singles — Bruce Thornquist 6-1 7-5 89% W
12/14/2025 Mixed 9.0 1# Doubles Amanda Nunez Michael Baddeloo / Keara Miller 6-3 6-2 41% W
12/14/2025 Men 4.0 3# Doubles Jordan Federbush 6-0 6-0 W
11/15/2025 40&O Men 4.0 3# Doubles Collin Moore 6-0 6-0 W
9/28/2025 Men 4.0 2# Singles — Alexander Mushinskiy 6-2 6-3 8% L
9/13/2025 Men 4.0 3# Doubles Keith Sgariglia Chris McGuire / Lucas Kukulka 4-6 6-3 1-0 84% L
8/13/2025 Combo Mix 7.5 Summer 1# Doubles Erin Baker Bill Bowman / Tara Borre 2-6 6-4 1-0 36% L
7/27/2025 40 & Over M 4.0 Summer 1# Singles — Jacek Grabiec 7-5 6-1 44% L
7/24/2025 40 & Over M 4.0 Summer 1# Doubles Charlie Turri Chris O'Malley / Jonathan Gawlak 6-3 7-6 48% W
7/19/2025 M 4.0 Summer 2# Doubles Keith Sgariglia 6-0 6-0 W
5/31/2025 M 4.0 Summer 1# Doubles Andrew Zens Masaki Nozawa / KOHEI YAMAMOTO 4-6 6-4 1-0 16% L
5/10/2025 M 4.0 Summer 1# Doubles Andrew Zens Bruce Thornquist / Dal Bristow 6-4 6-4 32% L
5/3/2025 Combo Mix 7.5 Winter 1# Doubles Cassandra Montoya Jane Ford / Ty Caughell 6-2 6-3 30% L
5/3/2025 M 4.0 Winter 2# Singles — David Kahley 6-4 3-2 37% W
4/27/2025 40 & Over M 4.0 Winter 3# Doubles Jason Hui John Leubner / Ernesto Diaz 6-3 4-6 1-0 26% L
4/13/2025 40 & Over M 4.0 Winter 1# Doubles Douglas Ip Adrian Ciuca / Todd Dahlquist 6-0 6-4 24% L
3/15/2025 Combo Mix 7.5 Winter 1# Doubles Jamie Burns 6-0 6-0 W
3/15/2025 M 4.0 Winter 1# Doubles Andrew Zens Greg Tevonian / John Gatz 4-6 6-4 1-0 68% L
3/9/2025 40 & Over M 4.0 Winter 3# Doubles Marc Adams Brian Benzer / Collin Moore 7-5 6-3 85% W
2/16/2025 40 & Over M 4.0 Winter 1# Doubles Charles Phelps Bruce Thornquist / Greg Tevonian 5-7 7-6 1-0 79% W
2/9/2025 M 4.0 Winter 2# Singles — Young Choi 6-4 5-7 1-0 63% W
2/2/2025 M 4.0 Winter 1# Singles — Tsubasa Watanabe 6-3 1-2 1-0 30% W
1/25/2025 M 4.0 Winter 2# Doubles Keith Sgariglia Ernesto Diaz / Randy Orr 4-6 6-3 1-0 34% W
1/19/2025 M 4.0 Winter 1# Singles — Saverio Suraci 6-4 6-4 54% L
12/7/2024 40&O Men 4.0 1# Doubles Charlie Turri Wojciech Bubien / Michael Carl 4-6 7-5 1-0 79% W
11/17/2024 40&O Men 4.0 1# Doubles Paul Chen Derek Majka / Jonathan Cooper 7-6 3-4 1-0 53% L
11/10/2024 40&O Men 4.0 1# Doubles Andrew Meyer Steve Franks / Eric Gordon 6-3 2-6 1-0 87% W
11/1/2024 40&O Men 4.0 1# Doubles Andrew Zens Adrian Ciuca / Zeno Popa 7-6 6-4 43% L
10/27/2024 40&O Men 4.0 1# Doubles Andrew Zens Jay Goldner / Patrick Seermon 6-4 7-5 29% W
10/20/2024 40&O Men 4.0 1# Doubles Andrew Zens Jonathan Gawlak / Dwight Anderson 7-5 6-3 66% L
10/5/2024 Men 4.0 1# Doubles Alexander DeMay Brett Wangman / Todd Dahlquist 5-7 7-6 1-0 25% W
9/29/2024 40&O Men 4.0 1# Doubles Paul Chen Frank de Carlo / Rex J Lao 6-3 6-3 44% W
9/28/2024 Men 4.0 1# Singles — Rafael Ramalho 6-4 4-3 19% L
9/22/2024 40&O Men 4.0 1# Singles — Jonathan Cooper 6-0 6-3 86% W
9/15/2024 40&O Men 4.0 1# Doubles Andrew Zens Rami Suleiman / Mladen Stojanovic 6-2 6-1 82% W
9/14/2024 40&O Men 4.0 1# Doubles Charlie Turri Adrian Ciuca / Joon Sung 6-7 5-2 1-0 50% L
7/24/2024 40 & Over M 4.0 Summer 1# Doubles Young Choi Rafael Lozada / Carlos Flores 6-3 6-4 42% L
7/14/2024 40 & Over M 4.0 Summer 2# Doubles Marc Adams Matt Burghgraef / Craig Berry 6-3 6-1 17% W
7/14/2024 M 4.0 Summer 2# Singles — Dan Saviano 6-3 6-4 62% L
6/15/2024 M 4.0 Summer 2# Doubles John Leubner Todd Wagner / Andrew Meyer 6-4 6-4 37% L
6/9/2024 40 & Over M 4.0 Summer 2# Doubles Young Choi Geoffrey Miller / Mark Carman 6-4 6-2 68% W
6/8/2024 M 4.0 Summer 1# Doubles William Steinman Gene Huh / Mark Krizmanich 6-1 7-6 22% L
6/2/2024 40 & Over M 4.0 Summer 2# Doubles Charlie Turri Danny Postel / Edward Graft 2-6 5-4 1-0 57% W
5/4/2024 Mixed 6.0/7.0/8.0 1# Doubles Laura Purcell Tanja Boskovic / Paul Leonardo 6-2 6-3 50% W
5/3/2024 Mixed 6.0/7.0/8.0 1# Doubles Angela Hanson Jennifer Koo / Young Choi 6-4 6-1 33% L
4/20/2024 Mixed 6.0/7.0/8.0 2# Doubles Julianne Hartzell Jill Lauesen / Parker Turnipseed 7-6 5-4 77% W
3/10/2024 M 4.0 Winter 1# Singles — Eric Gordon 6-1 6-2 72% L
3/9/2024 40 & Over M 4.0 Winter 2# Doubles Jincheng Zhu Steve Yoon / John Weigand 6-0 7-6 85% L
2/25/2024 M 4.0 Winter 1# Singles — Rami Suleiman 6-4 1-0 11% W
2/4/2024 40 & Over M 4.0 Winter 3# Doubles Xizhuo Cao Danny Postel / Dan Stolar 7-6 1-3 1-0 28% W
1/28/2024 M 4.0 Winter 1# Singles — James Lee 6-1 6-2 45% L
1/21/2024 M 4.0 Winter 1# Singles — Walker Nodine 6-4 5-3 64% L
12/17/2023 Men 4.0 1# Singles — Jon Donnowitz 7-6 4-1 33% L
11/19/2023 Men 4.0 1# Singles — Brian Levitas 6-0 6-1 60% L
11/5/2023 Men 4.0 2# Singles — Young Lee 6-1 3-6 1-0 47% W
5/7/2023 M 4.0 Winter 2# Doubles Keith Boutell Brett Wangman / Derek Kaden 7-6 6-1 21% L
4/2/2023 M 4.0 Winter 2# Doubles Gerardo Vega Charles Badrov / Gregg Rousseau 6-4 7-5 32% L
3/26/2023 M 4.0 Winter 1# Doubles Ted Tubekis Krystian Drozdz / Emmett Johnson 6-3 6-4 68% W

Team History

YearFlightTeamRole
2026 CDTA 18 & Over M 4.0 Winter Active CDTA W 18&OM4.0 6.Tam Bhat Sat 3 $22
2026 CDTA E 18&O Men 4.0 CDTA E 18&OM4.0 4Tam Bhat Sat 6 $22
2026 CDTA Mixed 18 & Over 9.0 Winter Active CDTA W M18&O9.0 4.Wlmt Nakamura Sun 11 $20
2026 CDTA E Mixed 18&O 9.0 CDTA E M18&O9.0 1Cent Nakamura Sun 1 $20
2026 CDTA 40 & Over M 4.0 Winter Active CDTA W 40&OM4.0 2.Tam Bhat Sat 5 $22
2026 CDTA E 40&O Men 4.0 CDTA E 40&OM4.0 2Tam Bhat Sat 5 $22
2025 CDTA 18 & Over M 4.0 Summer CDTA S A18M4.0 1Tam Bhat Sat 1 $22
2025 CDTA E 18&O Men 4.0 CDTA E 18&OM4.0 1.MT Chi Masnyk Sun 12 $31.5
2025 CDTA 18 & Over M 4.0 Winter CDTA W 18&OM4.0 1.MT Chi Brown Sun 12 $31.5
2025 CDTA Combo Mix 7.5 Summer CDTA S ComboX7.5 2MT Chi Brown Sat 7 $31.5
2025 CDTA Combo Mix 7.5 Winter CDTA W ComboX7.5 5.MT Chi Brown Sat 6 $31.5
2025 CDTA 40 & Over M 4.0 Summer CDTA S A40M4.0 7Glenbrook Tysl Sun 5 $25
2025 CDTA E 40&O Men 4.0 CDTA E 40&OM4.0 5.Glenbrook Tysl Sun 5 $25
2025 CDTA 40 & Over M 4.0 Winter CDTA W 40&OM4.0 8.Glenbrook Tysl Sun 5 $25
2024 CDTA 18 & Over M 4.0 Summer CDTA S 18&OM4.0 2.Tam Franks Sat 1 $22
2024 CDTA 18 & Over M 4.0 Winter CDTA W 18&OM4.0 2.MT Chi Brown Sun 12 $30
2024 CDTA E 18&O Men 4.0 CDTA E 18&OM4.0 4.MT Chi Brown Sun 12 $30
2024 CDTA 40 & Over M 4.0 Summer CDTA S 40&OM4.0 5.Glenbrook Tysl Sun 5 $25
2024 CDTA 40 & Over M 4.0 Winter CDTA W 40&OM4.0 9.Glenbrook Tysl Sun 5 $25
2024 Mixed 6.0/7.0/8.0 CDTA W TriX60/70/80 1.Tam Siegel Sat 7 $22
2023 CDTA 18 & Over M 4.0 Winter CDTA W 18&O 4.0M MT Chi Brown Sun 12 $28
2023 Hold Registration Team 1 Hold Reg Team 1