Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Recent) View Advanced Player Stats
Jonathan Sieja (Humacao, Puerto Rico)
Male 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.6009
10/22/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
Recent History
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 3 2 1 0 66.7 8 5 3 62.5 57 29 28 50.9 0
Adult 18+ 4.0 2 1 1 0 50.0 4 2 2 50.0 35 18 17 51.4 0
Adult 40+ 3.5 5 4 1 0 80.0 10 8 2 80.0 96 56 40 58.3 0
Adult 40+ 4.0 10 9 1 0 90.0 22 18 4 81.8 188 113 75 60.1 0
Total 20 16 4 0 80.0 44 33 11 75.0 376 216 160 57.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
07/17/2025 Adult 40+
4.0		 CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 D1 Christopher Urso
(4.01) 		Derek Wong
(3.97)
Kevin Podwika
(3.88) 		W 6-4
6-4		 3.79 3.59
07/13/2025 Adult 18+
4.0		 CDTA S A18M4.0 1Tam Bhat Sat 1 $22
Midwest		 D1 Christopher Urso
(4.00) 		Kevin Wang
(3.96)
Andrew Lin
(4.08) 		L 6-4
6-2		 3.57 3.54
06/28/2025 Adult 18+
3.5		 Palmas Sergio Molina
Caribbean		 D3 Juan Colon
(3.11) 		mario molina torres
(3.16)
Roberto Rivera Arroyo
(3.65) 		L 4-6
6-1
1-0		 3.51 3.54
06/24/2025 Adult 40+
4.0		 CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 D1 Christopher Urso
(3.99) 		Jonathan Gawlak
(3.79)
Dean Stermer
(3.57) 		W 6-2
6-3		 3.70 3.56
06/22/2025 Adult 18+
4.0		 CDTA S A18M4.0 1Tam Bhat Sat 1 $22
Midwest		 D2 Christopher Urso
(3.97) 		David Kahley
(3.93)
Matt Lorentsen
(3.55) 		W 6-3
6-2		 3.76 3.55
06/14/2025 Adult 40+
4.0		 CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 D2 Christopher Urso
(3.89) 		Hideaki Takahashi
(3.97)
Jin-Won Lee
(3.61) 		W 6-0
7-6		 3.79 3.54
06/10/2025 Adult 40+
4.0		 CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 D3 Christopher Urso
(3.89) 		Eric Orsic
(3.55)
Rod Ganesan
(3.48) 		W 6-3
7-6		 S 3.45
06/01/2025 Adult 18+
3.5		 Palmas Sergio Molina
Caribbean		 D3 Jose Ramon Vazquez Couto
(2.93) 		Rafael Lopez
(3.33)
Christian Berrios Pagan
(2.85) 		W 3-6
6-4
1-0		 3.35 3.45
05/18/2025 Adult 18+
3.5		 Palmas Sergio Molina
Caribbean		 D1 Jose Ramon Vazquez Couto
(3.01) 		Juan Salgado
(3.19)
Anyelo Morales Rosado
(-----) 		W 6-4
6-3		 S 3.49
04/23/2025 Adult 40+
4.0
Sectionals		 GTC Jaime
Caribbean		 D1 Frank Negron Ocasio
(3.69) 		Carlos Montes
(3.91)
Angel Matos Flores
(3.77) 		L 6-1
6-2		 3.39 3.49
04/13/2025 Adult 40+
3.5		 Palmas Sergio
Caribbean		 D2 Roger Sandoval
(3.50) 		Miguel Garcia Martinez
(3.02)
Dimitri Gonzalez
(3.25) 		W 6-4
6-3		 3.32 3.50
04/05/2025 Adult 40+
4.0		 GTC Jaime
Caribbean		 D3 Gerardo Cotto
(3.77) 		Roberto Leal
(3.64)
Orlando Nieves
(3.89) 		W 6-3
5-7
1-0		 3.69 3.56
03/22/2025 Adult 40+
3.5		 Palmas Sergio
Caribbean		 D1 Oscar Velez
(3.28) 		Jose A Rivera
(3.34)
Juan Baez Hernaiz
(3.12) 		W 6-3
6-4		 3.51 3.52
03/16/2025 Adult 40+
3.5		 Palmas Sergio
Caribbean		 D1 Fernando Ramos
(3.24) 		Ferdinand Molina-Vega
(3.54)
Miguel Moreno
(3.28) 		W 6-3
7-5		 3.67 3.53
03/15/2025 Adult 40+
4.0		 GTC Jaime
Caribbean		 D4 Angel Melendez
(3.73) 		Luis Hernandez
(3.56)
Enrique Maymi
(3.68) 		W 6-2
6-3		 3.73 3.52
03/01/2025 Adult 40+
3.5		 Palmas Sergio
Caribbean		 D4 Pedro Colon
(3.13) 		Reggie Diaz
(3.50)
Ricardo Loinaz
(3.26) 		L 6-2
7-5		 3.40 3.46
02/23/2025 Adult 40+
4.0		 GTC Jaime
Caribbean		 D2 Ferdinand Molina-Vega
(3.53) 		Victor Thomas
(3.52)
Adsel Fernandez
(3.48) 		W 6-1
6-3		 3.75 3.51
02/23/2025 Adult 40+
3.5		 Palmas Sergio
Caribbean		 D3 Pedro Colon
(3.12) 		Daniel Torres
(3.29)
Heriberto Negron
(2.82) 		W 6-3
6-2		 3.46 3.44
02/09/2025 Adult 40+
4.0		 GTC Jaime
Caribbean		 D1 Samir Ruiz Boria
(3.65) 		Ricardo Davila Pagan
(3.85)
Angel De Leon
(3.56) 		W 6-3
4-6
1-0		 S 3.40
01/18/2025 Adult 40+
4.0		 GTC Jaime
Caribbean		 D2 Miguel Cintron
(3.77) 		Angel Ortiz
(3.88)
ROBERTO FONSECA
(3.77) 		W 7-5
6-2		 3.77 3.43
07/17/2025 D1 Adult 40+
4.0
CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 W CDTA S A40M4.0 6Naperville Podwika Thu 7 $24
Midwest
Christopher Urso (4.01) 6-4
6-4		 Derek Wong (3.97)
Kevin Podwika (3.88)
Match: 3.79 Rating: 3.59
07/13/2025 D1 Adult 18+
4.0
CDTA S A18M4.0 1Tam Bhat Sat 1 $22
Midwest		 L CDTA S A18M4.0 7Tam Huh Sun 11 $22
Midwest
Christopher Urso (4.00) 6-4
6-2		 Kevin Wang (3.96)
Andrew Lin (4.08)
Match: 3.57 Rating: 3.54
06/28/2025 D3 Adult 18+
3.5
Palmas Sergio Molina
Caribbean		 L Guayama La Banda
Caribbean
Juan Colon (3.11) 4-6
6-1
1-0		 mario molina torres (3.16)
Roberto Rivera Arroyo (3.65)
Match: 3.51 Rating: 3.54
06/24/2025 D1 Adult 40+
4.0
CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 W CDTA S A40M4.0 4Oak Brook OMalley Thu 7 $22
Midwest
Christopher Urso (3.99) 6-2
6-3		 Jonathan Gawlak (3.79)
Dean Stermer (3.57)
Match: 3.70 Rating: 3.56
06/22/2025 D2 Adult 18+
4.0
CDTA S A18M4.0 1Tam Bhat Sat 1 $22
Midwest		 W CDTA S A18M4.0 5Wheaton Isphording Sun 2 $22
Midwest
Christopher Urso (3.97) 6-3
6-2		 David Kahley (3.93)
Matt Lorentsen (3.55)
Match: 3.76 Rating: 3.55
06/14/2025 D2 Adult 40+
4.0
CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 W CDTA S A40M4.0 2River Trails Ciuca Sat 4 $26
Midwest
Christopher Urso (3.89) 6-0
7-6		 Hideaki Takahashi (3.97)
Jin-Won Lee (3.61)
Match: 3.79 Rating: 3.54
06/10/2025 D3 Adult 40+
4.0
CDTA S A40M4.0 1Tam Bhat Tue 7 $22
Midwest		 W CDTA S A40M4.0 7Glenbrook Tysl Sun 5 $25
Midwest
Christopher Urso (3.89) 6-3
7-6		 Eric Orsic (3.55)
Rod Ganesan (3.48)
Match: S Rating: 3.45
06/01/2025 D3 Adult 18+
3.5
Palmas Sergio Molina
Caribbean		 W CTH Alejandro Rivera
Caribbean
Jose Ramon Vazquez Couto (2.93) 3-6
6-4
1-0		 Rafael Lopez (3.33)
Christian Berrios Pagan (2.85)
Match: 3.35 Rating: 3.45
05/18/2025 D1 Adult 18+
3.5
Palmas Sergio Molina
Caribbean		 W Encantada Orlando Rivera
Caribbean
Jose Ramon Vazquez Couto (3.01) 6-4
6-3		 Juan Salgado (3.19)
Anyelo Morales Rosado (-----)
Match: S Rating: 3.49
04/23/2025 D1 Adult 40+
4.0
Sectionals
GTC Jaime
Caribbean		 L Cabo Rojo Jose Serrano
Caribbean
Frank Negron Ocasio (3.69) 6-1
6-2		 Carlos Montes (3.91)
Angel Matos Flores (3.77)
Match: 3.39 Rating: 3.49
04/13/2025 D2 Adult 40+
3.5
Palmas Sergio
Caribbean		 W San Francisco Dimitri
Caribbean
Roger Sandoval (3.50) 6-4
6-3		 Miguel Garcia Martinez (3.02)
Dimitri Gonzalez (3.25)
Match: 3.32 Rating: 3.50
04/05/2025 D3 Adult 40+
4.0
GTC Jaime
Caribbean		 W Torrimar Jorge Diaz Torres
Caribbean
Gerardo Cotto (3.77) 6-3
5-7
1-0		 Roberto Leal (3.64)
Orlando Nieves (3.89)
Match: 3.69 Rating: 3.56
03/22/2025 D1 Adult 40+
3.5
Palmas Sergio
Caribbean		 W Montehiedra Ruben
Caribbean
Oscar Velez (3.28) 6-3
6-4		 Jose A Rivera (3.34)
Juan Baez Hernaiz (3.12)
Match: 3.51 Rating: 3.52
03/16/2025 D1 Adult 40+
3.5
Palmas Sergio
Caribbean		 W GTC Zuñiga
Caribbean
Fernando Ramos (3.24) 6-3
7-5		 Ferdinand Molina-Vega (3.54)
Miguel Moreno (3.28)
Match: 3.67 Rating: 3.53
03/15/2025 D4 Adult 40+
4.0
GTC Jaime
Caribbean		 W Torrimar Jorge Diaz Torres
Caribbean
Angel Melendez (3.73) 6-2
6-3		 Luis Hernandez (3.56)
Enrique Maymi (3.68)
Match: 3.73 Rating: 3.52
03/01/2025 D4 Adult 40+
3.5
Palmas Sergio
Caribbean		 L Caribbean/Diaz/40&Over3.5M
Caribbean
Pedro Colon (3.13) 6-2
7-5		 Reggie Diaz (3.50)
Ricardo Loinaz (3.26)
Match: 3.40 Rating: 3.46
02/23/2025 D2 Adult 40+
4.0
GTC Jaime
Caribbean		 W Rio Hondo Jorge
Caribbean
Ferdinand Molina-Vega (3.53) 6-1
6-3		 Victor Thomas (3.52)
Adsel Fernandez (3.48)
Match: 3.75 Rating: 3.51
02/23/2025 D3 Adult 40+
3.5
Palmas Sergio
Caribbean		 W Montehiedra Ruben
Caribbean
Pedro Colon (3.12) 6-3
6-2		 Daniel Torres (3.29)
Heriberto Negron (2.82)
Match: 3.46 Rating: 3.44
02/09/2025 D1 Adult 40+
4.0
GTC Jaime
Caribbean		 W CTH Los Leñas
Caribbean
Samir Ruiz Boria (3.65) 6-3
4-6
1-0		 Ricardo Davila Pagan (3.85)
Angel De Leon (3.56)
Match: S Rating: 3.40
01/18/2025 D2 Adult 40+
4.0
GTC Jaime
Caribbean		 W UPR Jorge
Caribbean
Miguel Cintron (3.77) 7-5
6-2		 Angel Ortiz (3.88)
ROBERTO FONSECA (3.77)
Match: 3.77 Rating: 3.43
Glossary
Match Player rating for individual match.
Rating Dynamic rating after completed match.
NC Match not yet calculated into rating.
S Self rated or unrated player involved in match so no match rating calculated for current player.
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