Saito, Koki

USTA ID
2019878528
Gender
Male
Location
Mount Prospect, IL
WTN ID
SAI4305206

TennisLink · USTA · WTN

Active Flights

M 4.0 Winter
FV (Takahashi)
M 4.5 Winter
CPE (Sitar)
Mixed 8.0 Winter
FV (Hayashida)
Combo Mix 7.5 Winter
STP (Hayashida)
Combo Mix 8.5 Winter
Tam (Wright)
Mixed 9.0 Winter
Wlmt (Nakamura)

NTRP Ratings

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

WTN Ratings

Doubles
22.25
Confidence 100 · 20.6–23.9

Position Distribution

Men's Combo 4.0
14 matches
1# Doubles
7 (50%)
2# Doubles
4 (29%)
3# Doubles
3 (21%)
Men's Combo 4.5
1 match
3# Doubles
1 (100%)
Mixed Doubles 7.5
11 matches
1# Doubles
5 (45%)
2# Doubles
2 (18%)
3# Doubles
4 (36%)
Mixed Doubles 8.0
14 matches
1# Doubles
10 (71%)
2# Doubles
3 (21%)
3# Doubles
1 (7%)
Mixed Doubles 8.5
1 match
1# Doubles
1 (100%)
Mixed Doubles 9.0
2 matches
1# Doubles
1 (50%)
2# Doubles
1 (50%)

Partners

PartnerWLxWTogether
Yumi Ida 6 3 5.3 9
Yoshitaka Nakahara 5 1 4.6 6
Tomohiro Hori 3 1 2.9 4
Tomoko Hayashida 3 1 1.9 4
Yukiko Juretic 3 0 2.1 3
Michiko Nakagawa 1 1 0.6 2
Kyoko Tachibana 2 0 1.7 2
Chica Ida 2 0 0.9 2
Teodora Varcheva 1 0 0.8 1
Hideyuki Natsuaki 1 0 0.5 1
Ayano Nakamura 1 0 1.0 1
Sarah Monteagudo 1 0 0.9 1
Erika Matsumoto 1 0 0.7 1
Masaki Nozawa 0 1 0.9 1
Tomomi Nagao 1 0 0.8 1
Arun Balaji Balu 1 0 0.6 1
Erin Wyatt 0 1 0.5 1
Daiki Fujiwara 1 0 1.0 1
Youngbin Lim 1 0 0.9 1

Opponents

OpponentWLxWFaced
Youngbin Lim 3 0 1.2 3
Will Hu 1 1 1.1 2
Laura Burns 1 1 0.7 2
Shana Cal 2 0 1.4 2
Matthew Zech 1 1 1.3 2
Shelly Yaffe 2 0 1.0 2
Craig Hagerman 1 0 0.9 1
Danny Postel 1 0 0.9 1
Gregory Tabaka 1 0 0.5 1
Tyrin Wages 1 0 0.5 1
Douglas Ip 1 0 0.9 1
Stefan Kutko 1 0 0.9 1
Sebastian Kowalski 1 0 0.8 1
Ann Park 1 0 0.8 1
Ming Yang 1 0 1.0 1
Jin Weng 1 0 1.0 1
Keara Miller 1 0 0.9 1
Leo Caro 1 0 0.9 1
Charles Phelps 1 0 0.7 1
Elleson Song 1 0 0.7 1
Arun Balaji Balu 0 1 0.9 1
Pablo Galan 0 1 0.9 1
Hannah Goldberg 1 0 0.5 1
Jennifer Grady 1 0 0.3 1
Andrew Meyer 1 0 0.3 1
Emily Connolly 1 0 0.8 1
Samuel Wright 1 0 0.8 1
Jared Green 1 0 0.9 1
Deuce Tu 1 0 0.9 1
Courtney Conway 0 1 0.5 1
Misha Tseytlin 0 1 0.4 1
Beth Lubotsky 1 0 0.7 1
Dennis Abdelnour 1 0 0.7 1
Matthew Newman 1 0 0.8 1
Duncan Szarmes 0 1 0.7 1
Kevin Franzen 1 0 0.5 1
Sotiria Tryfonopoulos 1 0 0.5 1
Dennis Tysl 1 0 0.6 1
Emily Tysl 1 0 0.6 1
Connor Moelmann 1 0 0.8 1
Anthony Noti 1 0 0.8 1
Ryan Ross 1 0 0.6 1
William Thornton 1 0 0.6 1
Peter Shields 1 0 0.2 1
Yang Cao 1 0 0.9 1
Haiying Yuan 1 0 0.9 1
Rahul Patet 1 0 0.6 1
R Jed Buchanan 1 0 0.9 1
Christopher Urso 1 0 0.9 1
Mark Juhl 1 0 0.8 1
Bill Bowman 0 1 0.5 1
Mandy Shaw 0 1 0.5 1
Andrew Lin 0 1 0.5 1
Kevin Wang 0 1 0.5 1
Tony Ling 1 0 0.9 1
Marjorie Baltazar 1 0 0.9 1
Carlos Canetta 1 0 1.0 1
Greg Jaynes 1 0 1.0 1
Maneesh Gandhi 0 1 0.4 1
Prasanthi Gandhi 0 1 0.4 1
Lucas Kukulka 1 0 0.6 1
Pam Byerly 1 0 0.6 1
Joe Carioscia 1 0 0.6 1
Eli Franks 0 1 0.3 1
Maggie Getzin 0 1 0.3 1
Kim Kuwabara 0 1 0.4 1
Rafael Lozada 0 1 0.4 1
Mary Kate Montgomery 1 0 0.6 1
Daniel Krzesinski 1 0 0.9 1
Vicki Tickman 1 0 0.9 1
Jason Richardson 1 0 0.9 1
Greg Goalwin 1 0 0.9 1
Alexandra Anlas 1 0 0.9 1
Matthew Miedona 1 0 0.9 1
Crystal Leighton 1 0 0.4 1
Dean Stermer 1 0 0.8 1
Anthony Sammarco 1 0 0.8 1

Match History (43)

DateFlightPosPartnerOpponent(s)ScoreP(win)Result
4/25/2026 M 4.0 Winter 1# Doubles Tomohiro Hori Craig Hagerman / Danny Postel 6-1 6-2 91% W
4/18/2026 M 4.0 Winter 2# Doubles Yoshitaka Nakahara Gregory Tabaka / Tyrin Wages 7-5 5-2 49% W
4/11/2026 M 4.0 Winter 1# Doubles Yoshitaka Nakahara Douglas Ip / Stefan Kutko 6-4 6-1 87% W
3/29/2026 Mixed 8.0 Winter 2# Doubles Teodora Varcheva Sebastian Kowalski / Ann Park 5-7 6-5 1-0 82% W
3/29/2026 M 4.0 Winter 3# Doubles Hideyuki Natsuaki 6-0 6-0 W
3/28/2026 Combo Mix 8.5 Winter 1# Doubles Ayano Nakamura Ming Yang / Jin Weng 6-2 6-0 98% W
3/22/2026 Mixed 9.0 Winter 1# Doubles Sarah Monteagudo Keara Miller / Leo Caro 6-0 6-1 95% W
3/22/2026 Mixed 8.0 Winter 1# Doubles Erika Matsumoto Charles Phelps / Elleson Song 7-6 6-3 67% W
3/21/2026 M 4.0 Winter 1# Doubles Masaki Nozawa Arun Balaji Balu / Pablo Galan 1-6 6-4 1-0 85% L
3/8/2026 Mixed 8.0 Winter 1# Doubles Yumi Ida Hannah Goldberg / Will Hu 6-4 6-4 54% W
3/1/2026 Combo Mix 7.5 Winter 2# Doubles Tomoko Hayashida Jennifer Grady / Youngbin Lim 6-4 7-6 31% W
3/1/2026 Mixed 8.0 Winter 2# Doubles Yumi Ida Andrew Meyer / Laura Burns 6-1 6-3 33% W
2/22/2026 Mixed 9.0 Winter 2# Doubles Tomomi Nagao Emily Connolly / Samuel Wright 6-0 6-1 79% W
2/21/2026 M 4.0 Winter 3# Doubles Tomohiro Hori Jared Green / Deuce Tu 6-4 6-1 92% W
2/14/2026 Mixed 8.0 Winter 1# Doubles Yumi Ida Courtney Conway / Will Hu 2-6 6-3 1-0 54% L
2/8/2026 Mixed 8.0 Winter 1# Doubles Michiko Nakagawa Misha Tseytlin / Laura Burns 2-6 6-3 1-0 39% L
2/7/2026 Combo Mix 7.5 Winter 3# Doubles Yukiko Juretic Beth Lubotsky / Dennis Abdelnour 6-2 4-6 1-0 73% W
2/1/2026 Mixed 8.0 Winter 1# Doubles Yumi Ida Shana Cal / Matthew Newman 6-7 6-2 1-0 81% W
1/31/2026 M 4.0 Winter 1# Doubles Yoshitaka Nakahara Matthew Zech / Duncan Szarmes 6-3 7-6 67% L
1/25/2026 Mixed 8.0 Winter 1# Doubles Yumi Ida Kevin Franzen / Sotiria Tryfonopoulos 7-6 3-6 1-0 52% W
1/25/2026 Combo Mix 7.5 Winter 1# Doubles Tomoko Hayashida Dennis Tysl / Emily Tysl 6-3 6-0 56% W
1/18/2026 M 4.0 Winter 2# Doubles Yoshitaka Nakahara Connor Moelmann / Anthony Noti 0-6 6-2 1-0 83% W
1/10/2026 M 4.5 Winter 3# Doubles Arun Balaji Balu Ryan Ross / William Thornton 6-2 6-3 59% W
12/7/2025 Mixed 8.0 1# Doubles Michiko Nakagawa Peter Shields / Shelly Yaffe 6-3 7-5 23% W
11/15/2025 Combo Mix 7.5 Fall 3# Doubles Kyoko Tachibana Yang Cao / Haiying Yuan 6-3 6-2 85% W
11/15/2025 Mixed 8.0 3# Doubles Yukiko Juretic Shana Cal / Rahul Patet 7-5 7-6 63% W
10/25/2025 Men 4.0 1# Doubles Yoshitaka Nakahara R Jed Buchanan / Christopher Urso 6-2 6-3 90% W
10/19/2025 Combo Mix 7.5 Fall 1# Doubles Yukiko Juretic Shelly Yaffe / Mark Juhl 6-1 6-3 77% W
10/12/2025 Mixed 8.0 1# Doubles Erin Wyatt Bill Bowman / Mandy Shaw 7-5 6-2 49% L
10/11/2025 Men 4.0 1# Doubles Tomohiro Hori Andrew Lin / Kevin Wang 6-2 6-1 46% L
10/5/2025 Combo Mix 7.5 Fall 3# Doubles Kyoko Tachibana Tony Ling / Marjorie Baltazar 7-5 6-4 86% W
9/27/2025 Men 4.0 2# Doubles Daiki Fujiwara Carlos Canetta / Greg Jaynes 6-1 6-3 97% W
9/21/2025 Combo Mix 7.5 Fall 1# Doubles Tomoko Hayashida Maneesh Gandhi / Prasanthi Gandhi 6-7 6-4 1-0 44% L
9/20/2025 Men 4.0 1# Doubles Tomohiro Hori Matthew Zech / Lucas Kukulka 6-4 6-7 1-0 60% W
9/12/2025 Combo Mix 7.5 Fall 3# Doubles Tomoko Hayashida Pam Byerly / Joe Carioscia 6-1 6-2 58% W
8/17/2025 Mixed 8.0 Summer 2# Doubles Yumi Ida Eli Franks / Maggie Getzin 6-2 5-7 1-0 32% L
8/8/2025 Combo Mix 7.5 Summer 1# Doubles Yumi Ida Kim Kuwabara / Rafael Lozada 7-5 3-0 42% L
7/28/2025 Mixed 8.0 Summer 1# Doubles Chica Ida Mary Kate Montgomery / Youngbin Lim 6-4 6-2 56% W
7/13/2025 Combo Mix 7.5 Summer 1# Doubles Yumi Ida Daniel Krzesinski / Vicki Tickman 6-1 6-2 88% W
7/12/2025 M 4.0 Summer 2# Doubles Youngbin Lim Jason Richardson / Greg Goalwin 6-2 6-1 90% W
6/22/2025 Combo Mix 7.5 Summer 2# Doubles Yumi Ida Alexandra Anlas / Matthew Miedona 6-4 6-0 92% W
6/21/2025 Mixed 8.0 Summer 1# Doubles Chica Ida Youngbin Lim / Crystal Leighton 6-4 6-1 38% W
6/15/2025 M 4.0 Summer 3# Doubles Yoshitaka Nakahara Dean Stermer / Anthony Sammarco 6-1 6-3 81% W

Team History

YearFlightTeamRole
2026 CDTA 18 & Over M 4.0 Winter Active CDTA W 18&OM4.0 7.FV Takahashi Sat 2 $25
2026 CDTA 18 & Over M 4.5 Winter Active CDTA W 18&OM4.5 7.CPE Sitar Sat 4 $28
2026 CDTA E 18&O Men 4.0 CDTA E 18&OM4.0 7FV Takahashi Sat 4 $25
2026 CDTA Mixed 18 & Over 8.0 Winter Active CDTA W M18&O8.0 4.FV Hayashida Sun 2 $25
2026 CDTA E Mixed 18&O 8.0 CDTA E M18&O8.0 7FV Hayashida Sun 2 $25
2026 CDTA Combo Mix 7.5 Winter Active CDTA W ComboX7.5 6.STP Hayashida Sun 3 $25
2026 CDTA Combo Mix 8.5 Winter Active CDTA W ComboX8.5 1.Tam Wright Sat 5 $22
2026 CDTA Mixed 18 & Over 9.0 Winter Active CDTA W M18&O9.0 4.Wlmt Nakamura Sun 11 $20
2025 CDTA 18 & Over M 4.0 Summer CDTA S A18M4.0 2Forest View Takahashi Sat 11 $23
2025 CDTA Combo Mix 7.5 Summer CDTA S ComboX7.5 10Schaumburg Hayashida Sun 3 $20
2025 CDTA Combo Mix 7.5 Fall CDTA F ComboX7.5 8STP Hayashida Sun 3 $20
2025 CDTA Mixed 18 & Over 8.0 Summer CDTA S M188.0 5Forest View Hayashida Sat 9 $23