Ko, Tyler

USTA ID

2003390523

Gender

Male

Location

Libertyville, IL

WTN ID

KOX5764139

TennisLink · USTA · WTN

NTRP Ratings

Rating	Type	Year	Date	Expires
4.5	C	2025	Dec. 31, 2025	Dec. 31, 2028

WTN Ratings

Singles

23.22

Confidence 30 · 21.4–25.0

Doubles

24.18

Confidence 60 · 22.4–25.9

Position Distribution

Men's Combo 3.5

2 matches

1# Singles

2 (100%)

Men's Combo 4.0

16 matches

1# Doubles

1 (6%)

1# Singles

13 (81%)

2# Doubles

1 (6%)

2# Singles

1 (6%)

Men's Combo 4.5

2 matches

3# Doubles

2 (100%)

Men's Doubles 4.5

17 matches

17 (100%)

Men's Doubles 5.0

4 matches

4 (100%)

Mixed Doubles 7.0

3 matches

1# Doubles

2 (67%)

2# Doubles

1 (33%)

Partners

Partner	W	L	xW	Together
Adrian Ciuca	2	0	1.2	2
Laura Otto	2	0	1.3	2
Jason Strongin	0	1	0.9	1
Rafael Lozada	1	0	0.7	1
Cindi Papas	0	1	0.2	1

Opponents

Opponent	W	L	xW	Faced
Thomas Tranter	2	3	1.3	5
Sean Bush	0	3	0.4	3
Carlos Alcantar	1	2	1.0	3
Jean Michel Dos Remedios	1	2	1.4	3
Brian Thomason	0	3	0.6	3
Jared Gray	0	2	0.5	2
Andrew Wolfberg	1	1	0.8	2
Peter Shields	0	2	0.5	2
Marco Reynoso	0	1	0.4	1
Andrew Martin	0	1	0.2	1
Theodore Dunn	0	1	0.5	1
Ravi Jhaveri	1	0	0.9	1
Brad Takei	1	0	0.9	1
Evan Schreiner	0	1	0.9	1
Kyle Coronel	0	1	0.9	1
Gregory Bernstein	1	0	0.8	1
Tomo Watanabe	1	0	0.7	1
Adrian Ciuca	1	0	0.7	1
Robert Rao	1	0	0.3	1
Lawrence Mabes	1	0	0.9	1
Evan Coopersmith	0	1	0.8	1
Liam Nance	0	1	0.6	1
Tyrin Wages	0	1	0.6	1
Rafael Ramalho	1	0	0.7	1
Bill Levine	1	0	1.0	1
Mariano Suarez	0	1	0.1	1
Brian Green	1	0	0.6	1
Felix Danciu	0	1	0.4	1
Alistair Templeton	0	1	0.1	1
Russell Needler	1	0	0.7	1
Leo Kanev	1	0	0.7	1
Gene Huh	1	0	0.8	1
Mark Krizmanich	1	0	0.8	1
Jacob Mayles	1	0	0.6	1
Curtis Allen	1	0	0.6	1
Terrence Gamboa	1	0	0.3	1
Jason Hui	1	0	0.7	1
Paul Chen	1	0	0.7	1
Jianchuan Zhang	1	0	1.0	1
Luis Sanchez	0	1	0.8	1
Daniel Lek	0	1	0.2	1
Zachary Cho	1	0	0.4	1
Roy Koch	1	0	0.9	1
Gregg Rousseau	1	0	0.4	1
David Shin	1	0	0.4	1
Saverio Suraci	1	0	0.6	1
Joshua Curran	1	0	0.6	1
Douglas Kelley	1	0	0.7	1
Laura Purcell	1	0	0.7	1
Alex Bender	1	0	0.7	1
Kotomi Moran	1	0	0.5	1
Masaki Nozawa	1	0	0.5	1
Dimitrina Schoyer	0	1	0.2	1
Jazz Burks	0	1	0.2	1

Match History (44)

Date	Flight	Pos	Partner	Opponent(s)	Score	P(win)	Result
7/27/2025	Men Med 3.5/ 4.0/ 4.5		Kevin Franzen	Jared Gray / Marco Reynoso	5-7 6-4 1-0	44%	L
7/14/2025	Men Med 3.5/ 4.0/ 4.5		Daniel Kiernan	Sean Bush / Jared Gray	6-3 6-1	8%	L
6/16/2025	Men Med 3.5/ 4.0/ 4.5		Kevin Franzen	Sean Bush / Andrew Martin	6-3 6-3	16%	L
6/1/2025	Men Med 3.5/ 4.0/ 4.5		Dennis Dobrin	Carlos Alcantar / Theodore Dunn	6-3 6-3	49%	L
3/2/2025	M 4.5 Winter	3# Doubles	Adrian Ciuca	Ravi Jhaveri / Brad Takei	7-5 6-4	86%	W
2/16/2025	M 4.5 Winter	3# Doubles	Jason Strongin	Evan Schreiner / Kyle Coronel	6-7 5-4 1-0	89%	L
9/22/2024	Men 4.0	1# Singles	—	Gregory Bernstein	6-1 6-1	84%	W
9/15/2024	Men 4.0	1# Singles	—	Tomo Watanabe	6-1 6-3	68%	W
7/28/2024	Men 3.5/ 4.0/ 4.5		Bryan Kintanar	Jean Michel Dos Remedios / Adrian Ciuca	6-2 3-6 1-0	66%	W
7/16/2024	Men 3.5/ 4.0/ 4.5		Daniel Kiernan	Andrew Wolfberg / Thomas Tranter	6-2 6-3	19%	W
6/30/2024	Men 3.5/ 4.0/ 4.5		Daniel Kiernan	Brian Thomason / Thomas Tranter	6-4 6-4	27%	L
6/18/2024	Men 3.5/ 4.0/ 4.5		Daniel Kiernan	Brian Thomason / Thomas Tranter	6-7 6-4 1-0	23%	L
6/11/2024	Men 3.5/ 4.0/ 4.5		Christian Montresor	Thomas Tranter / Robert Rao	3-6 6-2 1-0	27%	W
4/28/2024	M 4.0 Winter	2# Singles	—	Lawrence Mabes	6-2 6-2	87%	W
4/21/2024	M 4.0 Winter	1# Singles	—	Evan Coopersmith	6-4 6-2	81%	L
3/1/2024	Men 4.0/4.5/5.0		Adrian Ciuca	Liam Nance / Tyrin Wages	6-3 2-6 1-0	58%	L
2/11/2024	Men 4.0/4.5/5.0		Douglas Weber	Jean Michel Dos Remedios / Andrew Wolfberg	3-6 6-2 1-0	65%	L
12/3/2023	Men 4.0	1# Singles	—	Rafael Ramalho	6-2 6-1	68%	W
11/5/2023	Men 4.0	1# Singles	—	Bill Levine	6-0 6-0	96%	W
8/1/2023	Tri Men 3.5/4.0/ 4.5		Daniel Kiernan	Mariano Suarez / Peter Shields	7-5 6-4	12%	L
7/29/2023	Men 4.0	1# Singles	—	Brian Green	6-3 6-0	59%	W
7/7/2023	Men 4.0	1# Singles	—	Felix Danciu	6-4 6-7 1-0	44%	L
6/25/2023	Tri Men 3.5/4.0/ 4.5		James Nelson	Thomas Tranter / Peter Shields	6-4 7-5	38%	L
6/17/2023	Tri Men 3.5/4.0/ 4.5		Daniel Kiernan	Alistair Templeton / Sean Bush	6-4 6-1	13%	L
6/13/2023	Tri Men 3.5/4.0/ 4.5		Daniel Kiernan	Brian Thomason / Jean Michel Dos Remedios	1-6 6-3 1-0	15%	L
6/10/2023	Tri Men 3.5/4.0/ 4.5		James Nelson	Russell Needler / Leo Kanev	6-1 6-4	69%	W
6/2/2023	Men 4.0	1# Singles	—		6-0 6-0		W
5/7/2023	Men 4.0/4.5/5.0		Gregg Rousseau		6-0 6-0		W
4/23/2023	Men 3.5/4.0/4.5		Adrian Ciuca	Gene Huh / Mark Krizmanich	6-2 6-1	79%	W
4/2/2023	Men 4.0/4.5/5.0		Gregg Rousseau	Jacob Mayles / Curtis Allen	6-2 6-1	61%	W
3/12/2023	Men 3.5/4.0/4.5		Adrian Ciuca	Carlos Alcantar / Terrence Gamboa	3-6 7-6 1-0	26%	W
2/19/2023	M 4.0 Winter	1# Doubles	Rafael Lozada	Jason Hui / Paul Chen	6-1 7-6	66%	W
1/29/2023	M 4.0 Winter	1# Singles	—	Jianchuan Zhang	6-1 6-0	96%	W
1/15/2023	M 4.0 Winter	1# Singles	—	Luis Sanchez	1-6 6-5 1-0	80%	L
1/8/2023	Men 3.5/4.0/4.5		Adrian Ciuca	Carlos Alcantar / Daniel Lek	6-3 6-1	25%	L
11/19/2022	M 4.0	1# Singles	—	Zachary Cho	6-3 4-6 1-0	37%	W
11/12/2022	M 4.0	1# Singles	—	Roy Koch	6-2 6-0	91%	W
11/6/2022	M 4.0	2# Doubles	Adrian Ciuca	Gregg Rousseau / David Shin	6-2 6-1	38%	W
10/8/2022	M 4.0	1# Singles	—	Saverio Suraci	6-3 6-4	65%	W
4/3/2022	M 3.5 Winter	1# Singles	—	Joshua Curran	6-2 6-2	60%	W
3/12/2022	M 3.5 Winter	1# Singles	—	Douglas Kelley	6-3 6-4	68%	W
1/28/2022	7.0 Mixed Winter	1# Doubles	Laura Otto	Laura Purcell / Alex Bender	6-1 6-0	73%	W
12/5/2021	Mixed 7.0	2# Doubles	Laura Otto	Kotomi Moran / Masaki Nozawa	5-2	53%	W
11/20/2021	Mixed 7.0	1# Doubles	Cindi Papas	Dimitrina Schoyer / Jazz Burks	6-3 6-2	20%	L

Team History

Year	Flight	Team	Role
2025	CDTA E 18&O Men 4.0	CDTA E 18&OM4.0 9.River Trails Ciuca Sun 4 $26
2025	CDTA 18 & Over M 4.5 Winter	CDTA W 18&OM4.5 5.River Trails Tranter Sun 4 $26
2025	Men Med 3.5/ 4.0/ 4.5	CDTA S TriMMed 1LifeSport (OUT) Kiernan Sun 9 $25	Captain
2024	CDTA 18 & Over M 4.0 Winter	CDTA W 18&OM4.0 6.River Trails Ciuca Sun 4 $25
2024	CDTA E 18&O Men 4.0	CDTA E 18&OM4.0 5.River Trails Ciuca Sun 4 $24
2024	Men 4.0/4.5/5.0	CDTA W TriM40/45/50 2.River Trails Ciuca Sun 1:30 $25
2024	Men 3.5/ 4.0/ 4.5	CDTA S TriM35.40.45 2.LifeSport(OUT) Kiernan Sun 9 $23	Captain
2023	CDTA ESL 18&O M 4.0	CDTA E 18&O M4.0 River Trails Ciuca Sat 8 $22
2023	CDTA S 18 & Over Men 4.0	CDTA S 18&OM4.0 c.River Trails Ciuca Fri 7:30 $24
2023	CDTA 18 & Over M 4.0 Winter	CDTA W 18&O 4.0M River Trails Ciuca Sun 4 $24
2023	CDTA S Tri Men 3.5/4.0/ 4.5	CDTA S TriM3.5/4.0/4.5 d.LifeSport (OUT) Kiernan Sun 9 $23	Captain
2023	Men 3.5/4.0/4.5	CDTA W Tri 3.5/4.0/4.5M River Trails Ciuca Sat 8 $24
2023	Men 4.0/4.5/5.0	Midwest/Tranter/Tri-Level4.0&UpMen
2022	CDTA 18 & Over M 3.5 Winter	CDTA W 18&O 3.5M Heritage Rustagi Sat 6 $21
2022	CDTA ESL Mixed 18&O 7.0	CDTA E M18&O 7.0X LifeSport Lin Greenberg Sun 11 $24
2022	CDTA 18 & Over 7.0 Mixed Winter	CDTA W M18&O 7.0X LifeSport Linc Greenberg Fri 7:30 $24