Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
John Gatz (Aurora, IL)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.6819
12/12/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2019 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 8 6 2 0 75.0 18 13 5 72.2 157 96 61 61.1 0
Adult 40+ 4.0 14 7 7 0 50.0 32 17 15 53.1 274 141 133 51.5 0
Total 22 13 9 0 59.1 50 30 20 60.0 431 237 194 55.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/08/2019 Adult 40+
4.0		 A40&O 4.0m Naperville Esancy Sun 2:30 $19
Midwest		 D2 Patrick Seermon
(3.79) 		David Jou
(3.60)
Jincheng Zhu
(3.74) 		W 6-2
7-5		 3.75 3.64
12/01/2019 Adult 18+
4.0		 A18&O 4.0m Naperville Esancy Sat 3:30 $19
Midwest		 D2 ADITYA OBI
(3.73) 		Vivek Marudavanan
(-----)
Thomas Koopsen
(3.77) 		W 4-6
6-0
1-0		 S 3.61
11/23/2019 Adult 18+
4.0		 A18&O 4.0m Naperville Esancy Sat 3:30 $19
Midwest		 D3 Greg Tevonian
(3.79) 		Hiroshi Morita
(-----)
Hideaki Takahashi
(3.79) 		W 6-1
6-2		 S 3.61
11/17/2019 Adult 18+
4.0		 NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 D2 Kevin Podwika
(3.81) 		dan dudici
(3.44)
KeViN LoNg
(3.55) 		W 6-2
6-3		 3.63 3.61
11/10/2019 Adult 40+
4.0		 NITA E 40M40b Rush Copley (Podwika)
Midwest		 D2 Mark Abellera
(-----) 		Gabriel Gonzalez
(-----)
Brian Cole
(-----) 		W 6-2
6-0		 NC NC
10/20/2019 Adult 40+
4.0		 A40&O 4.0m Naperville Esancy Sun 2:30 $19
Midwest		 D2 John Li
(3.86) 		Howard Braun
(3.51)
Scott Smith
(3.64) 		W 6-4
6-4		 3.55 3.62
10/06/2019 Adult 40+
4.0		 NITA E 40M40b Rush Copley (Podwika)
Midwest		 D3 Shiv Baloo
(3.73) 		Scott Maren
(3.49)
Brian Cole
(3.58) 		L 6-3
4-6
3-1		 3.45 3.60
09/29/2019 Adult 18+
4.0		 NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 D2 Greg Tevonian
(3.73) 		dan dudici
(3.50)
KeViN LoNg
(3.60) 		W 7-5
6-0		 3.76 3.69
09/15/2019 Adult 18+
4.0		 NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 D3 Greg Tevonian
(3.81) 		KeViN LoNg
(3.53)
dan dudici
(3.44) 		L 3-6
7-5
4-3		 3.41 3.62
09/08/2019 Adult 40+
4.0		 NITA E 40M40b Rush Copley (Podwika)
Midwest		 D3 Greg Tevonian
(3.79) 		Souts Thavong
(3.65)
Rick Jett
(3.34) 		W 4-6
6-3
7-6		 3.49 3.66
07/28/2019 Adult 40+
4.0
Districts		 NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 D3 Jay Goldner
(3.82) 		Souts Thavong
(3.66)
Scott Maren
(3.50) 		W 6-4
6-2		 3.72 3.71
07/14/2019 Adult 40+
4.0		 NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 D2 Don Carstens
(3.48) 		June Nano
(3.82)
Mark MacDonald
(3.68) 		L 6-2
4-6
1-0		 3.77 3.72
05/19/2019 Adult 40+
4.0		 NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 D2 Scott Modica
(3.73) 		Marlon Monteza
(3.75)
June Nano
(3.80) 		L 6-2
7-5		 3.60 3.68
04/28/2019 Adult 18+
4.0		 NITA W 40M18a Five Star (Cornfield)
Midwest		 D2 Greg Tevonian
(3.74) 		Douglas Anderson
(3.85)
Jens Borchert
(3.57) 		W 6-3
6-3		 3.89 3.72
04/13/2019 Adult 40+
4.0		 NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 D3 Shiv Baloo
(3.71) 		Paul Kessenich
(3.68)
Peter Henseler
(3.79) 		W 6-2
7-6		 3.86 3.70
03/03/2019 Adult 40+
4.0		 NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 D3 Scott Modica
(3.86) 		Reynaldo Tate
(3.72)
June Nano
(3.68) 		L 6-2
6-3		 3.36 3.58
03/02/2019 Adult 40+
4.0		 A40&O 4.0m Naperville Esancy Sun 2:30
Midwest		 D3 Scott Modica
(3.77) 		Donald Roubitchek
(3.38)
robert barry
(3.47) 		W 6-1
6-3		 3.67 3.66
02/16/2019 Adult 18+
4.0		 NITA W 40M18a Five Star (Cornfield)
Midwest		 D2 Scott Modica
(3.77) 		Jay Goldner
(4.09)
Lucas Boyer
(3.93) 		L 7-5
6-4		 3.84 3.68
02/10/2019 Adult 40+
4.0		 A40&O 4.0m Naperville Esancy Sun 2:30
Midwest		 D3 Don Carstens
(3.57) 		Seth Hanford
(3.71)
Greg Waas
(3.60) 		L 6-2
3-6
1-0		 3.64 3.63
02/09/2019 Adult 40+
4.0		 NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 D3 Lee McMullen
(3.89) 		Mitchell Louis
(-----)
Scott Majewski
(3.63) 		L 6-3
6-3		 S 3.65
02/02/2019 Adult 18+
4.0		 NITA W 40M18a Five Star (Cornfield)
Midwest		 D2 Scott Modica
(3.81) 		Ken Comey
(3.68)
david wrobel
(3.60) 		W 7-6
6-3		 3.63 3.65
01/05/2019 Adult 40+
4.0		 A40&O 4.0m Naperville Esancy Sat 5:30 $18
Midwest		 D1 Douglas Anderson
(3.71) 		Seth Hanford
(3.65)
Glenn Federwitz
(3.63) 		L 6-3
6-3		 3.40 3.61
12/08/2019 D2 Adult 40+
4.0
A40&O 4.0m Naperville Esancy Sun 2:30 $19
Midwest		 W A40&O 4.0m Heritage 2 Yang Sun 6 $18
Midwest
Patrick Seermon (3.79) 6-2
7-5		 David Jou (3.60)
Jincheng Zhu (3.74)
Match: 3.75 Rating: 3.64
12/01/2019 D2 Adult 18+
4.0
A18&O 4.0m Naperville Esancy Sat 3:30 $19
Midwest		 W A18&O 4.0m Lake Bluff Heine Sun 6 $20
Midwest
ADITYA OBI (3.73) 4-6
6-0
1-0		 Vivek Marudavanan (-----)
Thomas Koopsen (3.77)
Match: S Rating: 3.61
11/23/2019 D3 Adult 18+
4.0
A18&O 4.0m Naperville Esancy Sat 3:30 $19
Midwest		 W A18&O 4.0m Forest View Takahashi Sat 4 $20
Midwest
Greg Tevonian (3.79) 6-1
6-2		 Hiroshi Morita (-----)
Hideaki Takahashi (3.79)
Match: S Rating: 3.61
11/17/2019 D2 Adult 18+
4.0
NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 W NITA E 40M18a 5 Star (Cornfield)
Midwest
Kevin Podwika (3.81) 6-2
6-3		 dan dudici (3.44)
KeViN LoNg (3.55)
Match: 3.63 Rating: 3.61
11/10/2019 D2 Adult 40+
4.0
NITA E 40M40b Rush Copley (Podwika)
Midwest		 W NITA E 40M40a Vaughan AC (Potts)
Midwest
Mark Abellera (-----) 6-2
6-0		 Gabriel Gonzalez (-----)
Brian Cole (-----)
Match: NC Rating: NC
10/20/2019 D2 Adult 40+
4.0
A40&O 4.0m Naperville Esancy Sun 2:30 $19
Midwest		 W A40&O 4.0m Mt-Bann Kepler Sun 12 $22
Midwest
John Li (3.86) 6-4
6-4		 Howard Braun (3.51)
Scott Smith (3.64)
Match: 3.55 Rating: 3.62
10/06/2019 D3 Adult 40+
4.0
NITA E 40M40b Rush Copley (Podwika)
Midwest		 L NITA E 40M40a Vaughan AC (Potts)
Midwest
Shiv Baloo (3.73) 6-3
4-6
3-1		 Scott Maren (3.49)
Brian Cole (3.58)
Match: 3.45 Rating: 3.60
09/29/2019 D2 Adult 18+
4.0
NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 W NITA E 40M18a 5 Star (Cornfield)
Midwest
Greg Tevonian (3.73) 7-5
6-0		 dan dudici (3.50)
KeViN LoNg (3.60)
Match: 3.76 Rating: 3.69
09/15/2019 D3 Adult 18+
4.0
NITA E 40M18b Naperville TC (Podwika/Esancy)
Midwest		 L NITA E 40M18a 5 Star (Cornfield)
Midwest
Greg Tevonian (3.81) 3-6
7-5
4-3		 KeViN LoNg (3.53)
dan dudici (3.44)
Match: 3.41 Rating: 3.62
09/08/2019 D3 Adult 40+
4.0
NITA E 40M40b Rush Copley (Podwika)
Midwest		 W NITA E 40M40a Vaughan AC (Potts)
Midwest
Greg Tevonian (3.79) 4-6
6-3
7-6		 Souts Thavong (3.65)
Rick Jett (3.34)
Match: 3.49 Rating: 3.66
07/28/2019 D3 Adult 40+
4.0
Districts
NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 W NITA E 40M40b Vaughan AC (Potts/Van Vliet)
Midwest
Jay Goldner (3.82) 6-4
6-2		 Souts Thavong (3.66)
Scott Maren (3.50)
Match: 3.72 Rating: 3.71
07/14/2019 D2 Adult 40+
4.0
NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 L NITA S 40M40b Centre Court (Espejo/Nano)
Midwest
Don Carstens (3.48) 6-2
4-6
1-0		 June Nano (3.82)
Mark MacDonald (3.68)
Match: 3.77 Rating: 3.72
05/19/2019 D2 Adult 40+
4.0
NITA S 40M40c Naperville TC (Esancy/Podwika)
Midwest		 L NITA S 40M40b Centre Court (Espejo/Nano)
Midwest
Scott Modica (3.73) 6-2
7-5		 Marlon Monteza (3.75)
June Nano (3.80)
Match: 3.60 Rating: 3.68
04/28/2019 D2 Adult 18+
4.0
NITA W 40M18a Five Star (Cornfield)
Midwest		 W IL NITA 40M18 Rush Copley (Esancy/Podwika)
Midwest
Greg Tevonian (3.74) 6-3
6-3		 Douglas Anderson (3.85)
Jens Borchert (3.57)
Match: 3.89 Rating: 3.72
04/13/2019 D3 Adult 40+
4.0
NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 W NITA W 40M40a Wheaton SC (Keyes/Henseler)
Midwest
Shiv Baloo (3.71) 6-2
7-6		 Paul Kessenich (3.68)
Peter Henseler (3.79)
Match: 3.86 Rating: 3.70
03/03/2019 D3 Adult 40+
4.0
NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 L IL NITA 40M40 Centre Court (Espejo/Nano)
Midwest
Scott Modica (3.86) 6-2
6-3		 Reynaldo Tate (3.72)
June Nano (3.68)
Match: 3.36 Rating: 3.58
03/02/2019 D3 Adult 40+
4.0
A40&O 4.0m Naperville Esancy Sun 2:30
Midwest		 W A40&O 4.0m Courts Plus Mills Sat 2 $17
Midwest
Scott Modica (3.77) 6-1
6-3		 Donald Roubitchek (3.38)
robert barry (3.47)
Match: 3.67 Rating: 3.66
02/16/2019 D2 Adult 18+
4.0
NITA W 40M18a Five Star (Cornfield)
Midwest		 L IL NITA 40M18 Rush Copley (Esancy/Podwika)
Midwest
Scott Modica (3.77) 7-5
6-4		 Jay Goldner (4.09)
Lucas Boyer (3.93)
Match: 3.84 Rating: 3.68
02/10/2019 D3 Adult 40+
4.0
A40&O 4.0m Naperville Esancy Sun 2:30
Midwest		 L A40&O 4.0m Centre Court Lenz Sun 11 $18
Midwest
Don Carstens (3.57) 6-2
3-6
1-0		 Seth Hanford (3.71)
Greg Waas (3.60)
Match: 3.64 Rating: 3.63
02/09/2019 D3 Adult 40+
4.0
NITA W 40M40b Rush Copley (Esancy/Podwika)
Midwest		 L IL NITA 40M40 Centre Court (Espejo/Nano)
Midwest
Lee McMullen (3.89) 6-3
6-3		 Mitchell Louis (-----)
Scott Majewski (3.63)
Match: S Rating: 3.65
02/02/2019 D2 Adult 18+
4.0
NITA W 40M18a Five Star (Cornfield)
Midwest		 W IL NITA 40M18 Rush Copley (Esancy/Podwika)
Midwest
Scott Modica (3.81) 7-6
6-3		 Ken Comey (3.68)
david wrobel (3.60)
Match: 3.63 Rating: 3.65
01/05/2019 D1 Adult 40+
4.0
A40&O 4.0m Naperville Esancy Sat 5:30 $18
Midwest		 L A40&O 4.0m Centre Court Lenz Sun 11 $tba
Midwest
Douglas Anderson (3.71) 6-3
6-3		 Seth Hanford (3.65)
Glenn Federwitz (3.63)
Match: 3.40 Rating: 3.61
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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