Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Margaret Seifert (Saint Louis, MO)
Female 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.2889
5/9/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
Current Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.0 4 3 1 0 75.0 8 6 2 75.0 62 38 24 61.3 0
Adult 18+ 3.5 23 12 11 0 52.2 50 25 25 50.0 401 201 200 50.1 0
Total 27 15 12 0 55.6 58 31 27 53.4 463 239 224 51.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
04/30/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 D3 Rebecca Engelbrecht
(3.37) 		Denise Hoxsey
(3.18)
Laurie Walden
(3.32) 		L 6-4
6-2		 3.04 3.29
04/23/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S2 Emily Lowery
(3.28) 		W 6-3
6-4		 3.43 3.33
04/16/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S1 Kristen Armstrong
(3.63) 		L 7-6
2-0		 3.53 3.34
04/09/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S2 Leslie Foss
(3.17) 		W 6-0
6-0		 3.65 3.35
04/06/2025 Adult 18+
3.5		 Brewer/Thomas (S)
Missouri Valley		 S2 Jennifer Merritt
(3.19) 		L 6-2
6-4		 3.00 3.21
04/02/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S2 Stephanie Ang
(3.35) 		L 7-6
4-4		 3.32 3.28
03/26/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S2 Marianne Noonan
(2.96) 		W 6-4
6-4		 3.06 3.24
03/23/2025 Adult 18+
3.5		 Brewer/Thomas (S)
Missouri Valley		 S2 Liz Rathjen
(3.63) 		L 6-0
6-1		 3.20 3.28
03/12/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S1 Crissi Arnold
(3.29) 		L 6-3
5-3		 3.12 3.28
03/09/2025 Adult 18+
3.5		 Brewer/Thomas (S)
Missouri Valley		 S2 Alison Brinker
(2.99) 		W 7-5
6-7
1-0		 3.04 3.27
03/05/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S2 Angie Patton
(3.38) 		W 3-6
6-1
1-0		 3.47 3.34
03/02/2025 Adult 18+
3.5		 Brewer/Thomas (S)
Missouri Valley		 S2 Sharon Taysi
(3.21) 		W 6-3
6-1		 3.50 3.33
02/26/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S1 Amy Johnson
(3.37) 		L 6-4
4-1		 3.18 3.27
02/19/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S1 Emily Salter
(3.61) 		L 6-1
6-1		 3.23 3.28
02/16/2025 Adult 18+
3.5		 Brewer/Thomas (S)
Missouri Valley		 S2 Heather Korman
(3.01) 		W 6-2
6-3		 3.25 3.29
02/05/2025 Adult 18+
3.5		 Engelbrecht (SD)
Missouri Valley		 S1 Susan Borghi
(3.03) 		W 6-2
6-1		 3.37 3.31
01/20/2025 Adult 18+
3.5		 Engelbrecht (FD)
Missouri Valley		 S1 Joyce Jackson
(3.61) 		L 6-0
6-2		 3.23 3.28
01/13/2025 Adult 18+
3.0		 McGauley/McLoHeck (FD)
Missouri Valley		 S1 Carolyn Russo
(2.84) 		W 6-2
6-2		 3.19 3.29
12/18/2024 Adult 18+
3.5		 Engelbrecht (FD)
Missouri Valley		 S1 Denise Hoxsey
(3.15) 		W 7-5
6-3		 3.28 3.30
12/16/2024 Adult 18+
3.0		 McGauley/McLoHeck (FD)
Missouri Valley		 S1 Sally Henderson
(3.04) 		W 6-2
6-3		 3.29 3.28
12/15/2024 Adult 18+
3.5		 Brewer/Thomas (F)
Missouri Valley		 S2 Lisa Baker
(3.60) 		L 4-6
7-6
1-0		 3.60 3.33
12/11/2024 Adult 18+
3.5		 Engelbrecht (FD)
Missouri Valley		 S1 Brooke Ravanelli
(3.58) 		W 7-6
5-4		 3.63 3.32
12/09/2024 Adult 18+
3.0		 McGauley/McLoHeck (FD)
Missouri Valley		 S1 Liz Rathjen
(3.52) 		L 6-1
6-1		 3.14 3.20
12/04/2024 Adult 18+
3.5		 Engelbrecht (FD)
Missouri Valley		 S2 Mattison Murphy
(3.13) 		W 6-2
2-6
1-0		 3.16 3.22
12/02/2024 Adult 18+
3.0		 McGauley/McLoHeck (FD)
Missouri Valley		 S1 Courtney St Eve
(2.79) 		W 6-2
6-1		 3.16 3.21
11/24/2024 Adult 18+
3.5		 Brewer/Thomas (F)
Missouri Valley		 S2 Hanna Schuermann
(3.31) 		L 6-2
6-1		 2.97 3.21
11/20/2024 Adult 18+
3.5		 Engelbrecht (FD)
Missouri Valley		 S2 Mary Alice Grady
(3.40) 		W 6-1
6-2		 3.74 3.27
04/30/2025 D3 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Borghi/Steinhart (SD)
Missouri Valley
Rebecca Engelbrecht (3.37) 6-4
6-2		 Denise Hoxsey (3.18)
Laurie Walden (3.32)
Match: 3.04 Rating: 3.29
04/23/2025 S2 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 W Kretschmer (SD)
Missouri Valley
6-3
6-4		 Emily Lowery (3.28)
Match: 3.43 Rating: 3.33
04/16/2025 S1 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Tokarczyk/McMillan (SD)
Missouri Valley
7-6
2-0		 Kristen Armstrong (3.63)
Match: 3.53 Rating: 3.34
04/09/2025 S2 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 W Meyer/Clifford (SD)
Missouri Valley
6-0
6-0		 Leslie Foss (3.17)
Match: 3.65 Rating: 3.35
04/06/2025 S2 Adult 18+
3.5
Brewer/Thomas (S)
Missouri Valley		 L Aubuchon/Blades (S)
Missouri Valley
6-2
6-4		 Jennifer Merritt (3.19)
Match: 3.00 Rating: 3.21
04/02/2025 S2 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Munoz/Malpiedi (SD)
Missouri Valley
7-6
4-4		 Stephanie Ang (3.35)
Match: 3.32 Rating: 3.28
03/26/2025 S2 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 W Daws/CAC (SD)
Missouri Valley
6-4
6-4		 Marianne Noonan (2.96)
Match: 3.06 Rating: 3.24
03/23/2025 S2 Adult 18+
3.5
Brewer/Thomas (S)
Missouri Valley		 L Bleyer (S)
Missouri Valley
6-0
6-1		 Liz Rathjen (3.63)
Match: 3.20 Rating: 3.28
03/12/2025 S1 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Blake/Reitz (SD)
Missouri Valley
6-3
5-3		 Crissi Arnold (3.29)
Match: 3.12 Rating: 3.28
03/09/2025 S2 Adult 18+
3.5
Brewer/Thomas (S)
Missouri Valley		 W Hoxsey (S)
Missouri Valley
7-5
6-7
1-0		 Alison Brinker (2.99)
Match: 3.04 Rating: 3.27
03/05/2025 S2 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 W Uelhof/Lesire (SD)
Missouri Valley
3-6
6-1
1-0		 Angie Patton (3.38)
Match: 3.47 Rating: 3.34
03/02/2025 S2 Adult 18+
3.5
Brewer/Thomas (S)
Missouri Valley		 W Brennan (S)
Missouri Valley
6-3
6-1		 Sharon Taysi (3.21)
Match: 3.50 Rating: 3.33
02/26/2025 S1 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Peterson/Millonas (SD)
Missouri Valley
6-4
4-1		 Amy Johnson (3.37)
Match: 3.18 Rating: 3.27
02/19/2025 S1 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 L Mrazek/McKie (SD)
Missouri Valley
6-1
6-1		 Emily Salter (3.61)
Match: 3.23 Rating: 3.28
02/16/2025 S2 Adult 18+
3.5
Brewer/Thomas (S)
Missouri Valley		 W McIntire/McNealy (S)
Missouri Valley
6-2
6-3		 Heather Korman (3.01)
Match: 3.25 Rating: 3.29
02/05/2025 S1 Adult 18+
3.5
Engelbrecht (SD)
Missouri Valley		 W Borghi/Steinhart (SD)
Missouri Valley
6-2
6-1		 Susan Borghi (3.03)
Match: 3.37 Rating: 3.31
01/20/2025 S1 Adult 18+
3.5
Engelbrecht (FD)
Missouri Valley		 L Munoz/Malpiedi (FD)
Missouri Valley
6-0
6-2		 Joyce Jackson (3.61)
Match: 3.23 Rating: 3.28
01/13/2025 S1 Adult 18+
3.0
McGauley/McLoHeck (FD)
Missouri Valley		 W Rhoads Day Crew (FD)
Missouri Valley
6-2
6-2		 Carolyn Russo (2.84)
Match: 3.19 Rating: 3.29
12/18/2024 S1 Adult 18+
3.5
Engelbrecht (FD)
Missouri Valley		 W Borghi/Steinhart (FD)
Missouri Valley
7-5
6-3		 Denise Hoxsey (3.15)
Match: 3.28 Rating: 3.30
12/16/2024 S1 Adult 18+
3.0
McGauley/McLoHeck (FD)
Missouri Valley		 W Malpiedi/Donoslavic (FD)
Missouri Valley
6-2
6-3		 Sally Henderson (3.04)
Match: 3.29 Rating: 3.28
12/15/2024 S2 Adult 18+
3.5
Brewer/Thomas (F)
Missouri Valley		 L Daws /Team Dawesome (F)
Missouri Valley
4-6
7-6
1-0		 Lisa Baker (3.60)
Match: 3.60 Rating: 3.33
12/11/2024 S1 Adult 18+
3.5
Engelbrecht (FD)
Missouri Valley		 W Kretschmer (FD)
Missouri Valley
7-6
5-4		 Brooke Ravanelli (3.58)
Match: 3.63 Rating: 3.32
12/09/2024 S1 Adult 18+
3.0
McGauley/McLoHeck (FD)
Missouri Valley		 L Henze (FD)
Missouri Valley
6-1
6-1		 Liz Rathjen (3.52)
Match: 3.14 Rating: 3.20
12/04/2024 S2 Adult 18+
3.5
Engelbrecht (FD)
Missouri Valley		 W Tokarczyk/McMillan (FD)
Missouri Valley
6-2
2-6
1-0		 Mattison Murphy (3.13)
Match: 3.16 Rating: 3.22
12/02/2024 S1 Adult 18+
3.0
McGauley/McLoHeck (FD)
Missouri Valley		 W Krekeler/Merbaum(FD)
Missouri Valley
6-2
6-1		 Courtney St Eve (2.79)
Match: 3.16 Rating: 3.21
11/24/2024 S2 Adult 18+
3.5
Brewer/Thomas (F)
Missouri Valley		 L Hoxsey (F)
Missouri Valley
6-2
6-1		 Hanna Schuermann (3.31)
Match: 2.97 Rating: 3.21
11/20/2024 S2 Adult 18+
3.5
Engelbrecht (FD)
Missouri Valley		 W Handley (FD)
Missouri Valley
6-1
6-2		 Mary Alice Grady (3.40)
Match: 3.74 Rating: 3.27
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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