Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2022) View Advanced Player Stats
Robert Lotzar (Grand Rapids, MI)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.7221
4/30/2025
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2022 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 17 12 5 0 70.6 42 27 15 64.3 304 175 129 57.6 0
Adult 18+ 4.0 8 1 7 0 12.5 17 3 14 17.6 140 47 93 33.6 0
Adult 40+ 3.5 3 1 2 0 33.3 6 2 4 33.3 60 28 32 46.7 0
Total 28 14 14 0 50.0 65 32 33 49.2 504 250 254 49.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/17/2022 Adult 18+
4.0		 MVS Williams FWL A18-4.0M
Midwest		 D1 Luke Bagnall
(3.65) 		Damien Arthur
(3.97)
Ron Patrick
(3.68) 		L 6-1
7-5		 3.56 3.53
12/17/2022 Adult 18+
3.5		 MVS Anastasiu FWL A18-3.5M
Midwest		 D1 Nicholas Lourido
(3.43) 		Dan Timmerman
(3.06)
Glenn Dykstra
(-----) 		L 6-4
3-6
1-0		 S 3.54
12/10/2022 Adult 18+
3.5		 MVS Anastasiu FWL A18-3.5M
Midwest		 D1 Cristian Anastasiu
(3.29) 		Robert Foti
(3.41)
Damond Timmerman
(3.52) 		W 5-7
6-1
1-0		 3.68 3.54
12/03/2022 Adult 18+
3.5		 MVS Anastasiu FWL A18-3.5M
Midwest		 D1 Carlos Lourido
(3.34) 		Eric Dreisbach
(3.42)
Brian McEachern
(3.16) 		W 6-0
6-4		 3.65 3.52
11/26/2022 Tournament
CM8.0d		 Give Thanks Adult Doubles Turkey Tournament S Carlos Lourido
(3.42) 		Casey Tjalsma
(3.70)
Long Vu
(3.82) 		L 6-2
7-6		 3.73 -----
11/26/2022 Tournament
CM8.0d		 Give Thanks Adult Doubles Turkey Tournament Q Carlos Lourido
(3.42) 		Marc Branca
(-----)
Rolan Lusaya
(-----) 		W 6-0
6-3		 S -----
11/19/2022 Adult 40+
3.5		 MVC DeLongpre FWL A40-3.5M
Midwest		 D2 Cristian Anastasiu
(3.30) 		Robert Persky
(3.08)
James Voogd
(3.35) 		W 6-4
6-3		 3.45 3.48
11/05/2022 Adult 18+
4.0		 MVS Williams FWL A18-4.0M
Midwest		 D1 Robert Williams
(3.35) 		Matt Linsley
(4.01)
Slaven Condric
(3.75) 		L 6-1
6-1		 3.48 3.48
11/05/2022 Adult 40+
3.5		 MVC DeLongpre FWL A40-3.5M
Midwest		 D1 sergio cuison
(3.34) 		Carlos Labadia
(3.44)
Timothy Milroy
(3.40) 		L 6-4
7-5		 3.41 3.48
10/22/2022 Adult 18+
3.5		 MVS Anastasiu FWL A18-3.5M
Midwest		 D1 Carlos Lourido
(3.37) 		Brian Buurma
(3.33)
Jose Vivas
(3.36) 		W 6-2
6-2		 3.66 3.51
10/01/2022 Adult 40+
3.5		 MVC DeLongpre FWL A40-3.5M
Midwest		 D1 Robert Williams
(3.42) 		Damond Timmerman
(3.41)
Carlos Lourido
(3.36) 		L 6-4
6-3		 3.26 3.43
09/24/2022 Adult 18+
3.5		 MVS Anastasiu FWL A18-3.5M
Midwest		 D1 Robert Williams
(3.41) 		Justin Rausch
(3.43)
Todd Loughin
(3.31) 		W 6-4
4-6
1-0		 3.43 3.46
08/13/2022 Adult 18+
3.5
Regionals		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Patrick Irish
(3.36) 		Alfredo Ospina
(3.75)
Steven Brown
(3.51) 		L 6-2
6-4		 3.48 3.47
07/16/2022 Adult 18+
3.5
Districts		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.45) 		Andrew Leneway
(3.33)
Eric Fournier
(3.53) 		L 5-7
6-3
1-0		 3.39 3.45
06/25/2022 Tournament
CM7.0d		 Meijer State Games of Michigan at Hope College F Robert Williams
(3.35) 		Patrick Irish
(3.46)
Mark Delongpre
(3.08) 		W 4-6
6-4
1-0		 3.37 -----
06/25/2022 Tournament
CM7.0d		 Meijer State Games of Michigan at Hope College S Robert Williams
(3.35) 		Austin Wordell
(-----)
Greg Adamus
(-----) 		W 6-1
6-1		 S -----
06/11/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.45) 		Mark Wallis
(3.11)
Grant Pell
(3.45) 		W 6-3
6-2		 3.55 3.47
06/04/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D1 Marc Branca
(3.51) 		Felipe Santos
(3.93)
Paul Hoffman
(3.67) 		W 6-4
6-4		 3.86 3.50
05/21/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Cristian Anastasiu
(3.14) 		Andrew Leneway
(3.33)
Brian Peterson
(3.12) 		W 2-6
6-0
1-0		 3.46 3.42
05/07/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D1 Marc Branca
(3.51) 		Don Custodio
(3.60)
Mike West
(3.86) 		L 6-3
6-1		 3.39 3.40
04/30/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.44) 		Chad Paluzzi
(3.48)
Andrew Leneway
(3.32) 		L 6-4
2-6
1-0		 3.42 3.41
04/23/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D1 Luke Bagnall
(3.55) 		Scott Bont
(3.61)
Long Vu
(3.88) 		L 6-2
6-4		 3.46 3.42
04/16/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Jaspreet Bains
(3.09) 		Doug Leonard
(3.41)
Damond Timmerman
(3.41) 		L 6-1
6-1		 3.19 3.37
04/09/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D2 Robert Williams
(3.47) 		nathan brennan
(3.82)
Eric Fournier
(3.55) 		L 6-4
6-1		 S 3.42
04/09/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.47) 		Tom Zlotucha
(2.78)
Joseph Mockus
(2.92) 		W 6-3
6-1		 S 3.42
04/02/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D2 Cristian Anastasiu
(3.16) 		Jeff Fisher
(3.08)
Grant Pell
(3.50) 		W 3-6
6-4
1-0		 3.41 3.42
03/19/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.50) 		greg edmunds
(3.02)
Paul Rutherford
(3.09) 		W 6-1
6-2		 3.35 3.41
03/05/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D2 Jaspreet Bains
(3.12) 		Francisco Andrade
(2.92)
Carlos Lourido
(3.33) 		W 3-6
7-6
1-0		 3.28 3.40
02/26/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D2 Robert Williams
(3.50) 		Ben Critz
(3.59)
Marty McKenna
(3.62) 		L 6-1
6-4		 S 3.47
02/12/2022 Adult 18+
4.0		 MVS Anastasiu SSL A18-4.0M
Midwest		 D2 Jaspreet Bains
(3.12) 		Scott Arlen
(3.58)
Mark Elders
(-----) 		L 6-0
5-7
1-0		 S 3.47
02/05/2022 Adult 18+
3.5		 MVC Anastasiu SSL A18-3.5M
Midwest		 D1 Robert Williams
(3.45) 		Jon Moyle
(3.26)
Robert Foti
(3.44) 		W 6-3
6-2		 3.58 3.47
01/29/2022 Adult 18+
3.5		 MVC Anastasiu FWL A18-3.5M
Midwest		 D2 Ufuk Turan
(3.16) 		Mark Voss
(3.04)
Suthy Sok
(3.00) 		W 6-1
6-2		 3.48 3.42
12/17/2022 D1 Adult 18+
4.0
MVS Williams FWL A18-4.0M
Midwest		 L PA Bont FWL A18-4.0M
Midwest
Luke Bagnall (3.65) 6-1
7-5		 Damien Arthur (3.97)
Ron Patrick (3.68)
Match: 3.56 Rating: 3.53
12/17/2022 D1 Adult 18+
3.5
MVS Anastasiu FWL A18-3.5M
Midwest		 L PA Lawrence FWL A18-3.5M
Midwest
Nicholas Lourido (3.43) 6-4
3-6
1-0		 Dan Timmerman (3.06)
Glenn Dykstra (-----)
Match: S Rating: 3.54
12/10/2022 D1 Adult 18+
3.5
MVS Anastasiu FWL A18-3.5M
Midwest		 W PY Foti FWL A18-3.5M
Midwest
Cristian Anastasiu (3.29) 5-7
6-1
1-0		 Robert Foti (3.41)
Damond Timmerman (3.52)
Match: 3.68 Rating: 3.54
12/03/2022 D1 Adult 18+
3.5
MVS Anastasiu FWL A18-3.5M
Midwest		 W PA Dreisbach FWL A18-3.5M
Midwest
Carlos Lourido (3.34) 6-0
6-4		 Eric Dreisbach (3.42)
Brian McEachern (3.16)
Match: 3.65 Rating: 3.52
Give Thanks Adult Doubles Turkey Tournament
11/26/2022 S Tournament
CM8.0d
L
Carlos Lourido (3.42) 6-2
7-6		 Casey Tjalsma (3.70)
Long Vu (3.82)
Match: 3.73 Rating: -----
Give Thanks Adult Doubles Turkey Tournament
11/26/2022 Q Tournament
CM8.0d
W
Carlos Lourido (3.42) 6-0
6-3		 Marc Branca (-----)
Rolan Lusaya (-----)
Match: S Rating: -----
11/19/2022 D2 Adult 40+
3.5
MVC DeLongpre FWL A40-3.5M
Midwest		 W PA Dreisbach FWL A40-3.5M
Midwest
Cristian Anastasiu (3.30) 6-4
6-3		 Robert Persky (3.08)
James Voogd (3.35)
Match: 3.45 Rating: 3.48
11/05/2022 D1 Adult 18+
4.0
MVS Williams FWL A18-4.0M
Midwest		 L MC Schimpf FWL A18-4.0M
Midwest
Robert Williams (3.35) 6-1
6-1		 Matt Linsley (4.01)
Slaven Condric (3.75)
Match: 3.48 Rating: 3.48
11/05/2022 D1 Adult 40+
3.5
MVC DeLongpre FWL A40-3.5M
Midwest		 L MC Labadia FWL A40-3.5M
Midwest
sergio cuison (3.34) 6-4
7-5		 Carlos Labadia (3.44)
Timothy Milroy (3.40)
Match: 3.41 Rating: 3.48
10/22/2022 D1 Adult 18+
3.5
MVS Anastasiu FWL A18-3.5M
Midwest		 W MVH Vivas FWL A18-3.5M
Midwest
Carlos Lourido (3.37) 6-2
6-2		 Brian Buurma (3.33)
Jose Vivas (3.36)
Match: 3.66 Rating: 3.51
10/01/2022 D1 Adult 40+
3.5
MVC DeLongpre FWL A40-3.5M
Midwest		 L PA Lawrence FWL A40-3.5M
Midwest
Robert Williams (3.42) 6-4
6-3		 Damond Timmerman (3.41)
Carlos Lourido (3.36)
Match: 3.26 Rating: 3.43
09/24/2022 D1 Adult 18+
3.5
MVS Anastasiu FWL A18-3.5M
Midwest		 W PA Dreisbach FWL A18-3.5M
Midwest
Robert Williams (3.41) 6-4
4-6
1-0		 Justin Rausch (3.43)
Todd Loughin (3.31)
Match: 3.43 Rating: 3.46
08/13/2022 D1 Adult 18+
3.5
Regionals
MVC Anastasiu SSL A18-3.5M
Midwest		 L 4FAC-DEMICK 35M 18&O AD MON SEM F5
Midwest
Patrick Irish (3.36) 6-2
6-4		 Alfredo Ospina (3.75)
Steven Brown (3.51)
Match: 3.48 Rating: 3.47
07/16/2022 D1 Adult 18+
3.5
Districts
MVC Anastasiu SSL A18-3.5M
Midwest		 L WH Ballines FWL A18-3.5M
Midwest
Robert Williams (3.45) 5-7
6-3
1-0		 Andrew Leneway (3.33)
Eric Fournier (3.53)
Match: 3.39 Rating: 3.45
Meijer State Games of Michigan at Hope College
06/25/2022 F Tournament
CM7.0d
W
Robert Williams (3.35) 4-6
6-4
1-0		 Patrick Irish (3.46)
Mark Delongpre (3.08)
Match: 3.37 Rating: -----
Meijer State Games of Michigan at Hope College
06/25/2022 S Tournament
CM7.0d
W
Robert Williams (3.35) 6-1
6-1		 Austin Wordell (-----)
Greg Adamus (-----)
Match: S Rating: -----
06/11/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W PA Dreisbach SSL A18-3.5M
Midwest
Robert Williams (3.45) 6-3
6-2		 Mark Wallis (3.11)
Grant Pell (3.45)
Match: 3.55 Rating: 3.47
06/04/2022 D1 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 W MVH Hoffman SSL A18-4.0M
Midwest
Marc Branca (3.51) 6-4
6-4		 Felipe Santos (3.93)
Paul Hoffman (3.67)
Match: 3.86 Rating: 3.50
05/21/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W WH Leneway SSL A18-3.5M
Midwest
Cristian Anastasiu (3.14) 2-6
6-0
1-0		 Andrew Leneway (3.33)
Brian Peterson (3.12)
Match: 3.46 Rating: 3.42
05/07/2022 D1 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 L WH Custodio SSL A18-4.0M
Midwest
Marc Branca (3.51) 6-3
6-1		 Don Custodio (3.60)
Mike West (3.86)
Match: 3.39 Rating: 3.40
04/30/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 L WH Leneway SSL A18-3.5M
Midwest
Robert Williams (3.44) 6-4
2-6
1-0		 Chad Paluzzi (3.48)
Andrew Leneway (3.32)
Match: 3.42 Rating: 3.41
04/23/2022 D1 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 L PA Bont SSL A18-4.0M
Midwest
Luke Bagnall (3.55) 6-2
6-4		 Scott Bont (3.61)
Long Vu (3.88)
Match: 3.46 Rating: 3.42
04/16/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 L PY Foti SSL A18-3.5M
Midwest
Jaspreet Bains (3.09) 6-1
6-1		 Doug Leonard (3.41)
Damond Timmerman (3.41)
Match: 3.19 Rating: 3.37
04/09/2022 D2 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 L WH Ballines SSL A18-4.0M
Midwest
Robert Williams (3.47) 6-4
6-1		 nathan brennan (3.82)
Eric Fournier (3.55)
Match: S Rating: 3.42
04/09/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W MVH Vivas SSL A18-3.5M
Midwest
Robert Williams (3.47) 6-3
6-1		 Tom Zlotucha (2.78)
Joseph Mockus (2.92)
Match: S Rating: 3.42
04/02/2022 D2 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W PA Dreisbach SSL A18-3.5M
Midwest
Cristian Anastasiu (3.16) 3-6
6-4
1-0		 Jeff Fisher (3.08)
Grant Pell (3.50)
Match: 3.41 Rating: 3.42
03/19/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W MVH Vivas SSL A18-3.5M
Midwest
Robert Williams (3.50) 6-1
6-2		 greg edmunds (3.02)
Paul Rutherford (3.09)
Match: 3.35 Rating: 3.41
03/05/2022 D2 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W PA Lawrence SSL A18-3.5M
Midwest
Jaspreet Bains (3.12) 3-6
7-6
1-0		 Francisco Andrade (2.92)
Carlos Lourido (3.33)
Match: 3.28 Rating: 3.40
02/26/2022 D2 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 L WH Custodio SSL A18-4.0M
Midwest
Robert Williams (3.50) 6-1
6-4		 Ben Critz (3.59)
Marty McKenna (3.62)
Match: S Rating: 3.47
02/12/2022 D2 Adult 18+
4.0
MVS Anastasiu SSL A18-4.0M
Midwest		 L PA Bont SSL A18-4.0M
Midwest
Jaspreet Bains (3.12) 6-0
5-7
1-0		 Scott Arlen (3.58)
Mark Elders (-----)
Match: S Rating: 3.47
02/05/2022 D1 Adult 18+
3.5
MVC Anastasiu SSL A18-3.5M
Midwest		 W PY Foti SSL A18-3.5M
Midwest
Robert Williams (3.45) 6-3
6-2		 Jon Moyle (3.26)
Robert Foti (3.44)
Match: 3.58 Rating: 3.47
01/29/2022 D2 Adult 18+
3.5
MVC Anastasiu FWL A18-3.5M
Midwest		 W PA Schaaf FWL A18-3.5M
Midwest
Ufuk Turan (3.16) 6-1
6-2		 Mark Voss (3.04)
Suthy Sok (3.00)
Match: 3.48 Rating: 3.42
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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