Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Marjorie Sarbaugh-Thompson (Ann Arbor, MI)
Female 		2.5 C
12/31/2024
Estimated Dynamic Rating 2.3891
10/18/2025
Projected Year End Rating ------
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2.5 Rating Meter
Rating Meter
2.0001 - 2.5000
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+ 2.5 2 1 1 0 50.0 5 3 2 60.0 44 25 19 56.8 0
Adult 18+ 3.0 1 0 1 0 0.0 2 0 2 0.0 15 3 12 20.0 0
Adult 40+ 3.0 5 1 4 0 20.0 12 4 8 33.3 101 48 53 47.5 0
Adult 65+ 6.0 2 0 2 0 0.0 4 0 4 0.0 28 4 24 14.3 0
Adult Other 5.0 4 1 3 0 25.0 8 2 6 25.0 54 26 28 48.1 0
Combo 6.5 2 0 2 0 0.0 4 0 4 0.0 31 7 24 22.6 0
Tri-Level 18+ 3.5 2 0 2 0 0.0 4 0 4 0.0 28 4 24 14.3 0
Total 18 3 15 0 16.7 39 9 30 23.1 301 117 184 38.9 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
08/20/2025 Tri-Level 18+
3.5		 3HV-CUTLER WOMEN 35 30 25 AUG TRI SEM F1
Midwest		 D325 Margaret Pieroni
(2.46) 		Yue Guo
(2.54)
Kim Kanzawa
(2.60) 		L 6-2
6-0		 2.16 2.39
08/06/2025 Tri-Level 18+
3.5		 3HV-CUTLER WOMEN 35 30 25 AUG TRI SEM F1
Midwest		 D325 Kelly Demske
(2.42) 		Alyssa Okey
(2.18)
Sonalee Shah
(2.48) 		L 6-0
6-2		 1.95 2.39
07/25/2025 Adult 65+
6.0		 3NAC-ZIMMERMAN 60DW FRI 65&O SEM
Midwest		 D3 Linda Herritage
(2.42) 		Sheila Bilby
(2.68)
Julie Wiernik
(2.65) 		L 6-0
6-0		 2.22 2.43
07/21/2025 Adult 18+
2.5		 4HV-WASHINGTON 25NW MO 18&O SEM F4
Midwest		 D1 Kelly Demske
(2.44) 		Janet Barden
(2.36)
Sandra Timoszyk
(2.39) 		W 6-3
7-6		 2.49 2.48
07/15/2025 Adult 40+
3.0		 5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 D4 Yue Guo
(2.47) 		Becki Spangler
(2.21)
Sandra Timoszyk
(2.36) 		L 6-3
7-5		 S 2.48
07/08/2025 Adult 40+
3.0		 5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 D4 Ocene Naglik
(2.21) 		Janet Barden
(2.32)
Cheryl Patterson
(2.53) 		L 6-3
6-7
1-0		 2.49 2.48
07/07/2025 Adult 18+
2.5		 4HV-WASHINGTON 25NW MO 18&O SEM F4
Midwest		 S1 Mary Gutzki
(2.10) 		L 2-6
7-6
1-0		 2.16 2.46
07/01/2025 Adult 40+
3.0		 5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 D2 Yue Guo
(2.41) 		Mary Freer
(2.66)
Annette Kretzler
(2.84) 		L 6-4
6-2		 2.59 2.50
06/13/2025 Adult 65+
6.0		 3NAC-ZIMMERMAN 60DW FRI 65&O SEM
Midwest		 D1 Lynn Waldsmith
(2.02) 		Ruth Arnson
(2.91)
Karen Miller
(2.99) 		L 6-0
6-4		 2.61 2.48
06/10/2025 Adult 40+
3.0		 5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 D4 Lin van Nieuwstadt
(2.18) 		Sandra Timoszyk
(2.33)
Becki Spangler
(2.08) 		L 7-5
6-7
1-0		 S 2.43
06/03/2025 Adult 40+
3.0		 5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 D4 Yue Guo
(2.36) 		Christine Jones
(2.53)
Sarah Walton
(2.38) 		W 6-1
6-0		 S 2.43
05/29/2025 Adult 18+
3.0		 3HV-BELCHER 30NW TH 18&O SEM F6
Midwest		 D3 Shiva Goltalab-Rad
(2.29) 		Brenda Johnson
(2.47)
Heather Rich
(2.47) 		L 6-2
6-1		 S 2.43
03/29/2025 Adult Other
5.0		 3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 S2 Rob Evans
(2.01) 		L 6-4
1-1		 S -----
03/22/2025 Adult Other
5.0		 3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 S3 Amy Hulderman
(2.14) 		W 6-0
6-1		 S -----
02/21/2025 Adult Other
5.0		 3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 S2 Elizabeth Pettie
(2.08) 		L 6-4
3-1		 S -----
01/25/2025 Adult Other
5.0		 3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 S2 Yue Guo
(2.61) 		L 6-2
5-2		 S -----
12/06/2024 Combo
6.5		 3HV-BELCHER 65WOMEN SEM F1
Midwest		 D3 Rebecca Washington
(2.41) 		Petra Schroeder
(3.23)
Kristen Verhey
(2.94) 		L 6-0
6-3		 2.47 -----
11/16/2024 Combo
6.5		 3HV-BELCHER 65WOMEN SEM F1
Midwest		 D3 Bonnie Demetral
(2.70) 		Jen Guerra Short
(2.65)
Barbara Mintz
(2.77) 		L 6-2
6-2		 2.26 -----
08/20/2025 D325 Tri-Level 18+
3.5
3HV-CUTLER WOMEN 35 30 25 AUG TRI SEM F1
Midwest		 L 4HV-BAUER WOMEN 35 30 25 AUG TRI SEM F1
Midwest
Margaret Pieroni (2.46) 6-2
6-0		 Yue Guo (2.54)
Kim Kanzawa (2.60)
Match: 2.16 Rating: 2.39
08/06/2025 D325 Tri-Level 18+
3.5
3HV-CUTLER WOMEN 35 30 25 AUG TRI SEM F1
Midwest		 L 2VTC-JOHNSTON WOMEN 35 30 25 AUG TRI SEM F1
Midwest
Kelly Demske (2.42) 6-0
6-2		 Alyssa Okey (2.18)
Sonalee Shah (2.48)
Match: 1.95 Rating: 2.39
07/25/2025 D3 Adult 65+
6.0
3NAC-ZIMMERMAN 60DW FRI 65&O SEM
Midwest		 L 4VTC-inside-FADEL 60DW FRI 65&O SEM
Midwest
Linda Herritage (2.42) 6-0
6-0		 Sheila Bilby (2.68)
Julie Wiernik (2.65)
Match: 2.22 Rating: 2.43
07/21/2025 D1 Adult 18+
2.5
4HV-WASHINGTON 25NW MO 18&O SEM F4
Midwest		 W 5LIB-PETTIE 25NW MO 18&O SEM F4
Midwest
Kelly Demske (2.44) 6-3
7-6		 Janet Barden (2.36)
Sandra Timoszyk (2.39)
Match: 2.49 Rating: 2.48
07/15/2025 D4 Adult 40+
3.0
5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 L 4LIB-COLUNI 30NW TU 40&O SEM F3
Midwest
Yue Guo (2.47) 6-3
7-5		 Becki Spangler (2.21)
Sandra Timoszyk (2.36)
Match: S Rating: 2.48
07/08/2025 D4 Adult 40+
3.0
5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 L 6TPCC-SKOCHELAK 30NW TU 40&O SEM F3
Midwest
Ocene Naglik (2.21) 6-3
6-7
1-0		 Janet Barden (2.32)
Cheryl Patterson (2.53)
Match: 2.49 Rating: 2.48
07/07/2025 S1 Adult 18+
2.5
4HV-WASHINGTON 25NW MO 18&O SEM F4
Midwest		 L 1MONY-COLLINS 25NW MO 18&O SEM F4
Midwest
2-6
7-6
1-0		 Mary Gutzki (2.10)
Match: 2.16 Rating: 2.46
07/01/2025 D2 Adult 40+
3.0
5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 L 3RCAA-BURNS 30NW TU 40&O SEM F3
Midwest
Yue Guo (2.41) 6-4
6-2		 Mary Freer (2.66)
Annette Kretzler (2.84)
Match: 2.59 Rating: 2.50
06/13/2025 D1 Adult 65+
6.0
3NAC-ZIMMERMAN 60DW FRI 65&O SEM
Midwest		 L 4VTC-inside-FADEL 60DW FRI 65&O SEM
Midwest
Lynn Waldsmith (2.02) 6-0
6-4		 Ruth Arnson (2.91)
Karen Miller (2.99)
Match: 2.61 Rating: 2.48
06/10/2025 D4 Adult 40+
3.0
5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 L 4LIB-COLUNI 30NW TU 40&O SEM F3
Midwest
Lin van Nieuwstadt (2.18) 7-5
6-7
1-0		 Sandra Timoszyk (2.33)
Becki Spangler (2.08)
Match: S Rating: 2.43
06/03/2025 D4 Adult 40+
3.0
5HV-BELCHER 30NW TU 40&O SEM F3
Midwest		 W 6TPCC-SKOCHELAK 30NW TU 40&O SEM F3
Midwest
Yue Guo (2.36) 6-1
6-0		 Christine Jones (2.53)
Sarah Walton (2.38)
Match: S Rating: 2.43
05/29/2025 D3 Adult 18+
3.0
3HV-BELCHER 30NW TH 18&O SEM F6
Midwest		 L 5MONY-BERES 30NW TH 18&O SEM F6
Midwest
Shiva Goltalab-Rad (2.29) 6-2
6-1		 Brenda Johnson (2.47)
Heather Rich (2.47)
Match: S Rating: 2.43
03/29/2025 S2 Adult Other
5.0
3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 L 4LIB-DAWSON 2.5 coed win singles SEM F1
Midwest
6-4
1-1		 Rob Evans (2.01)
Match: S Rating: -----
03/22/2025 S3 Adult Other
5.0
3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 W 2MONY-COLLINS 2.5 coed win singles SEM F1
Midwest
6-0
6-1		 Amy Hulderman (2.14)
Match: S Rating: -----
02/21/2025 S2 Adult Other
5.0
3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 L 4LIB-DAWSON 2.5 coed win singles SEM F1
Midwest
6-4
3-1		 Elizabeth Pettie (2.08)
Match: S Rating: -----
01/25/2025 S2 Adult Other
5.0
3HV-WASHINGTON 2.5 coed win singles SEM F1
Midwest		 L 1CHIP-BAI 2.5 coed win singles SEM F1
Midwest
6-2
5-2		 Yue Guo (2.61)
Match: S Rating: -----
12/06/2024 D3 Combo
6.5
3HV-BELCHER 65WOMEN SEM F1
Midwest		 L 4HV-CUTLER 65WOMEN SEM F1
Midwest
Rebecca Washington (2.41) 6-0
6-3		 Petra Schroeder (3.23)
Kristen Verhey (2.94)
Match: 2.47 Rating: -----
11/16/2024 D3 Combo
6.5
3HV-BELCHER 65WOMEN SEM F1
Midwest		 L 2VTC-JOHNSTON 65WOMEN SEM F1
Midwest
Bonnie Demetral (2.70) 6-2
6-2		 Jen Guerra Short (2.65)
Barbara Mintz (2.77)
Match: 2.26 Rating: -----
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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