Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
John Steinke (OMAHA, NE)
Male 		4.5 C
12/31/2024
Estimated Dynamic Rating 4.3379
10/4/2025
Projected Year End Rating ------
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4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
Current Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.5 5 3 2 0 60.0 11 6 5 54.5 110 55 55 50.0 0
Mixed 18+ 9.0 10 8 2 0 80.0 24 17 7 70.8 195 110 85 56.4 0
Tri-Level 18+ 4.5 7 5 2 0 71.4 14 10 4 71.4 121 72 49 59.5 0
Total 22 16 6 0 72.7 49 33 16 67.3 426 237 189 55.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/23/2025 Tri-Level 18+
4.5		 Petersen
Missouri Valley		 D145 Tyler Osterloo
(4.38) 		Brendan Eglseder
(4.45)
Gabriel Cortinas
(4.48) 		L 6-2
6-2		 4.18 4.34
09/16/2025 Tri-Level 18+
4.5		 Petersen
Missouri Valley		 D145 Tyler Osterloo
(4.34) 		Tyler Mancuso
(4.01)
Ben Palensky
(4.16) 		W 6-1
6-1		 4.47 4.40
09/10/2025 Tri-Level 18+
4.5		 Petersen
Missouri Valley		 D145 Tyler Osterloo
(4.36) 		Gabriel Cortinas
(4.46)
Brendan Eglseder
(4.41) 		L 7-5
6-2		 4.26 4.35
09/06/2025 Mixed 18+
9.0
Sectionals		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D1 Katherine Chiu
(4.58) 		Noah Axelrod
(4.81)
Keira Knoflicek
(4.09) 		L 6-3
6-4		 4.14 4.25
09/06/2025 Mixed 18+
9.0
Sectionals		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D2 Katherine Chiu
(4.58) 		Noel Hoig
(4.38)
Renee Marie Acena
(4.55) 		L 6-7
7-5
1-0		 4.26 4.25
09/02/2025 Tri-Level 18+
4.5		 Petersen
Missouri Valley		 D145 Tyler Osterloo
(4.37) 		Sam Palensky
(4.41)
Tyler Mancuso
(4.01) 		W 7-5
6-2		 4.42 4.36
08/26/2025 Tri-Level 18+
4.5		 Petersen
Missouri Valley		 D145 Chase Petersen
(4.29) 		Gabriel Cortinas
(4.54)
Jonah Clark
(4.51) 		W 6-4
6-1		 4.77 4.43
08/10/2025 Mixed 18+
9.0
Districts		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D2 Katherine Chiu
(4.64) 		Joseph Bucknell
(4.34)
Elizabeth Garcia
(4.06) 		W 7-5
6-2		 4.21 4.25
08/10/2025 Mixed 18+
9.0
Districts		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D2 Katherine Chiu
(4.52) 		Chris Foster
(4.46)
Donna Wyse
(4.45) 		W 6-4
6-2		 4.49 4.30
08/09/2025 Mixed 18+
9.0
Districts		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D3 Katherine Chiu
(4.59) 		Nick OShea
(4.17)
Elizabeth Hain
(4.12) 		W 6-4
7-6		 4.05 4.21
07/23/2025 Mixed 18+
9.0		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D2 Brittni Redding
(4.38) 		Bianca Lowe
(4.18)
Jonah Clark
(4.40) 		W 6-3
2-6
1-0		 S 4.26
07/09/2025 Adult 18+
4.5		 Lowe
Missouri Valley		 D1 Grayson Arnold
(4.29) 		Grady Works
(4.08)
Yakub Islamov
(4.28) 		L 6-4
7-6		 S 4.30
07/06/2025 Mixed 18+
9.0		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D2 Katherine Chiu
(4.55) 		Douglas Cady
(4.46)
Kendra Vineyard
(4.40) 		W 6-2
3-6
1-0		 4.33 4.26
06/30/2025 Adult 18+
4.5		 Lowe
Missouri Valley		 D1 Jonah Clark
(4.48) 		Dalton Pregon
(-----)
Ron Betts
(4.23) 		W 6-3
6-3		 S 4.30
06/29/2025 Mixed 18+
9.0		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D1 Jennifer Allison
(4.26) 		Christine Wiegand
(3.94)
Ron Betts
(4.13) 		W 6-2
6-2		 4.31 4.24
06/22/2025 Mixed 18+
9.0		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D1 Katherine Chiu
(4.55) 		Shannon Dombrowski
(4.19)
Jack Dombrowski
(-----) 		W 6-2
6-2		 S 4.22
06/09/2025 Adult 18+
4.5		 Lowe
Missouri Valley		 D1 Jonah Clark
(4.54) 		Alex Bigsby
(4.43)
Brendan Eglseder
(4.44) 		W 4-6
7-6
1-0		 4.32 4.30
06/08/2025 Mixed 18+
9.0		 NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 D1 Katherine Chiu
(4.52) 		Gabriel Cortinas
(4.49)
Kendra Vineyard
(4.41) 		W 7-5
2-6
1-0		 4.26 4.22
06/07/2025 Adult 18+
4.5		 Lowe
Missouri Valley		 D2 Tyler Osterloo
(4.33) 		Caden Haar
(-----)
DeRuyter Jamison
(3.85) 		W 7-5
7-6		 S 4.31
05/12/2025 Adult 18+
4.5		 Lowe
Missouri Valley		 D1 Grayson Arnold
(4.23) 		Gabriel Cortinas
(4.55)
Douglas Cady
(4.50) 		L 6-1
7-6		 4.38 4.31
03/07/2025 Tri-Level 18+
4.5		 NE/Cortinas/Mid-TriM
Missouri Valley		 D145 Matthew Eglseder
(-----) 		Christopher Gora
(-----)
Kurt Irvine
(-----) 		W 6-3
6-2		 NC NC
03/06/2025 Tri-Level 18+
4.5		 NE/Cortinas/Mid-TriM
Missouri Valley		 D145 Gabriel Cortinas
(4.49) 		Eric Flewelling
(4.50)
Mckenzie Walsh
(4.24) 		W 6-2
6-3		 4.47 4.28
09/23/2025 D145 Tri-Level 18+
4.5
Petersen
Missouri Valley		 L OM/Cortinas/Mid-TriM
Missouri Valley
Tyler Osterloo (4.38) 6-2
6-2		 Brendan Eglseder (4.45)
Gabriel Cortinas (4.48)
Match: 4.18 Rating: 4.34
09/16/2025 D145 Tri-Level 18+
4.5
Petersen
Missouri Valley		 W OM/Jank/Mid-TriM
Missouri Valley
Tyler Osterloo (4.34) 6-1
6-1		 Tyler Mancuso (4.01)
Ben Palensky (4.16)
Match: 4.47 Rating: 4.40
09/10/2025 D145 Tri-Level 18+
4.5
Petersen
Missouri Valley		 L OM/Cortinas/Mid-TriM
Missouri Valley
Tyler Osterloo (4.36) 7-5
6-2		 Gabriel Cortinas (4.46)
Brendan Eglseder (4.41)
Match: 4.26 Rating: 4.35
09/06/2025 D1 Mixed 18+
9.0
Sectionals
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 L HOA/HerreraCariello/18&over9.0X
Missouri Valley
Katherine Chiu (4.58) 6-3
6-4		 Noah Axelrod (4.81)
Keira Knoflicek (4.09)
Match: 4.14 Rating: 4.25
09/06/2025 D2 Mixed 18+
9.0
Sectionals
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 L NEWC/Johnson/18&Over/9.0X
Missouri Valley
Katherine Chiu (4.58) 6-7
7-5
1-0		 Noel Hoig (4.38)
Renee Marie Acena (4.55)
Match: 4.26 Rating: 4.25
09/02/2025 D145 Tri-Level 18+
4.5
Petersen
Missouri Valley		 W OM/Jank/Mid-TriM
Missouri Valley
Tyler Osterloo (4.37) 7-5
6-2		 Sam Palensky (4.41)
Tyler Mancuso (4.01)
Match: 4.42 Rating: 4.36
08/26/2025 D145 Tri-Level 18+
4.5
Petersen
Missouri Valley		 W OM/Cortinas/Mid-TriM
Missouri Valley
Chase Petersen (4.29) 6-4
6-1		 Gabriel Cortinas (4.54)
Jonah Clark (4.51)
Match: 4.77 Rating: 4.43
08/10/2025 D2 Mixed 18+
9.0
Districts
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W Lubben/Freeman
Missouri Valley
Katherine Chiu (4.64) 7-5
6-2		 Joseph Bucknell (4.34)
Elizabeth Garcia (4.06)
Match: 4.21 Rating: 4.25
08/10/2025 D2 Mixed 18+
9.0
Districts
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W NEWC/Johnson/18&Over/9.0X
Missouri Valley
Katherine Chiu (4.52) 6-4
6-2		 Chris Foster (4.46)
Donna Wyse (4.45)
Match: 4.49 Rating: 4.30
08/09/2025 D3 Mixed 18+
9.0
Districts
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W O'Shea/ Ibrahimova
Missouri Valley
Katherine Chiu (4.59) 6-4
7-6		 Nick OShea (4.17)
Elizabeth Hain (4.12)
Match: 4.05 Rating: 4.21
07/23/2025 D2 Mixed 18+
9.0
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W Lowe
Missouri Valley
Brittni Redding (4.38) 6-3
2-6
1-0		 Bianca Lowe (4.18)
Jonah Clark (4.40)
Match: S Rating: 4.26
07/09/2025 D1 Adult 18+
4.5
Lowe
Missouri Valley		 L NE/Freeman/18&Over4.5M
Missouri Valley
Grayson Arnold (4.29) 6-4
7-6		 Grady Works (4.08)
Yakub Islamov (4.28)
Match: S Rating: 4.30
07/06/2025 D2 Mixed 18+
9.0
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W Vineyard
Missouri Valley
Katherine Chiu (4.55) 6-2
3-6
1-0		 Douglas Cady (4.46)
Kendra Vineyard (4.40)
Match: 4.33 Rating: 4.26
06/30/2025 D1 Adult 18+
4.5
Lowe
Missouri Valley		 W NEWC/Betts/18&Over4.5M
Missouri Valley
Jonah Clark (4.48) 6-3
6-3		 Dalton Pregon (-----)
Ron Betts (4.23)
Match: S Rating: 4.30
06/29/2025 D1 Mixed 18+
9.0
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W NEWC/Johnson/18&Over/9.0X
Missouri Valley
Jennifer Allison (4.26) 6-2
6-2		 Christine Wiegand (3.94)
Ron Betts (4.13)
Match: 4.31 Rating: 4.24
06/22/2025 D1 Mixed 18+
9.0
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W Lowe
Missouri Valley
Katherine Chiu (4.55) 6-2
6-2		 Shannon Dombrowski (4.19)
Jack Dombrowski (-----)
Match: S Rating: 4.22
06/09/2025 D1 Adult 18+
4.5
Lowe
Missouri Valley		 W NEWC/Betts/18&Over4.5M
Missouri Valley
Jonah Clark (4.54) 4-6
7-6
1-0		 Alex Bigsby (4.43)
Brendan Eglseder (4.44)
Match: 4.32 Rating: 4.30
06/08/2025 D1 Mixed 18+
9.0
NE/Redding/Petersen/18&Over/9.0X
Missouri Valley		 W Vineyard
Missouri Valley
Katherine Chiu (4.52) 7-5
2-6
1-0		 Gabriel Cortinas (4.49)
Kendra Vineyard (4.41)
Match: 4.26 Rating: 4.22
06/07/2025 D2 Adult 18+
4.5
Lowe
Missouri Valley		 W NE/Freeman/18&Over4.5M
Missouri Valley
Tyler Osterloo (4.33) 7-5
7-6		 Caden Haar (-----)
DeRuyter Jamison (3.85)
Match: S Rating: 4.31
05/12/2025 D1 Adult 18+
4.5
Lowe
Missouri Valley		 L NEWC/Betts/18&Over4.5M
Missouri Valley
Grayson Arnold (4.23) 6-1
7-6		 Gabriel Cortinas (4.55)
Douglas Cady (4.50)
Match: 4.38 Rating: 4.31
03/07/2025 D145 Tri-Level 18+
4.5
NE/Cortinas/Mid-TriM
Missouri Valley		 W 3.5/4.0/4.5
Hawaii
Matthew Eglseder (-----) 6-3
6-2		 Christopher Gora (-----)
Kurt Irvine (-----)
Match: NC Rating: NC
03/06/2025 D145 Tri-Level 18+
4.5
NE/Cortinas/Mid-TriM
Missouri Valley		 W 7DEER-WALSH JAN TRI-LEVEL 45 40 35 Men SEM
Midwest
Gabriel Cortinas (4.49) 6-2
6-3		 Eric Flewelling (4.50)
Mckenzie Walsh (4.24)
Match: 4.47 Rating: 4.28
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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