Sieja, Jonathan

USTA ID

2018737108

Gender

Male

Location

Humacao, PR

WTN ID

SIE7325714

NTRP Ratings

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

Singles

26.14

Confidence 60 · 24.4–27.9

Doubles

25.15

Confidence 80 · 23.5–26.8

Men's Combo 3.5

3 matches

1# Singles

2 (67%)

2# Doubles

1 (33%)

Men's Combo 4.0

8 matches

1# Doubles

5 (62%)

2# Doubles

2 (25%)

3# Doubles

1 (12%)

Partner	W	L	xW	Together
Christopher Urso	5	3	4.9	8
Joel Brown	1	0	0.8	1

Opponent	W	L	xW	Faced
Jonathan Gawlak	1	1	1.6	2
Craig Berry	0	1	0.4	1
Jay Goldner	0	1	0.4	1
Louis Skarosi	1	0	0.8	1
Dave Lomas	1	0	0.8	1
Justin Hoehn	0	1	0.8	1
Scott Drury	1	0	0.9	1
Nicolae Cristian ROMAN	1	0	0.7	1
Derek Wong	1	0	0.3	1
Kevin Podwika	1	0	0.3	1
Kevin Wang	0	1	0.4	1
Andrew Lin	0	1	0.4	1
Dean Stermer	1	0	0.8	1
David Kahley	1	0	0.8	1
Matt Lorentsen	1	0	0.8	1
Hideaki Takahashi	1	0	0.6	1
Jin-Won Lee	1	0	0.6	1
Eric Orsic	1	0	0.8	1
Rod Ganesan	1	0	0.8	1

Date	Flight	Pos	Partner	Opponent(s)	Score	P(win)	Result
12/21/2025	40&O Men 4.0	1# Doubles	Christopher Urso	Craig Berry / Jay Goldner	6-2 6-4	44%	L
12/14/2025	40&O Men 3.5	2# Doubles	Joel Brown	Louis Skarosi / Dave Lomas	7-6 6-2	81%	W
10/26/2025	40&O Men 4.0	1# Doubles	Christopher Urso	Justin Hoehn / Jonathan Gawlak	7-6 5-3	82%	L
9/21/2025	40&O Men 3.5	1# Singles	—	Scott Drury	6-2 6-1	88%	W
9/7/2025	40&O Men 3.5	1# Singles	—	Nicolae Cristian ROMAN	7-5 2-6 1-0	70%	W
7/17/2025	40 & Over M 4.0 Summer	1# Doubles	Christopher Urso	Derek Wong / Kevin Podwika	6-4 6-4	32%	W
7/13/2025	M 4.0 Summer	1# Doubles	Christopher Urso	Kevin Wang / Andrew Lin	6-4 6-2	41%	L
6/24/2025	40 & Over M 4.0 Summer	1# Doubles	Christopher Urso	Jonathan Gawlak / Dean Stermer	6-2 6-3	75%	W
6/22/2025	M 4.0 Summer	2# Doubles	Christopher Urso	David Kahley / Matt Lorentsen	6-3 6-2	75%	W
6/14/2025	40 & Over M 4.0 Summer	2# Doubles	Christopher Urso	Hideaki Takahashi / Jin-Won Lee	6-0 7-6	65%	W
6/10/2025	40 & Over M 4.0 Summer	3# Doubles	Christopher Urso	Eric Orsic / Rod Ganesan	6-3 7-6	78%	W

Year	Flight	Team
2026	CDTA E 40&O Men 3.5	CDTA E 40&OM3.5 1Tam Kanev Sun 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 40 & Over M 4.0 Summer	CDTA S A40M4.0 1Tam Bhat Tue 7 $22