Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2020) View Advanced Player Stats
Donna Underdonk (Pensacola, FL)
Female 		3.0 C
12/31/2023
Estimated Dynamic Rating 2.5498
6/14/2024
Projected Year End Rating ------
----------
3.0 Rating Meter
Rating Meter
2.5001 - 3.0000
Recent Match History Current Rating History
2020 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.0 5 1 4 0 20.0 10 2 8 20.0 97 41 56 42.3 0
Adult 40+ 3.0 5 2 3 0 40.0 10 4 6 40.0 93 45 48 48.4 1
Adult 55+ 6.0 4 3 1 0 75.0 10 7 3 70.0 75 44 31 58.7 0
Total 14 6 8 0 42.9 30 13 17 43.3 265 130 135 49.1 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/12/2020 Adult 18+
3.0		 Underdonk - RS Hard
Florida		 S2 Kaye Whittenberger
(2.64) 		L 6-2
6-2		 2.35 2.66
11/05/2020 Adult 18+
3.0		 Underdonk - RS Hard
Florida		 D1 Klara Szalai
(2.60) 		Robin Rowan
(2.75)
Julie Patrick
(2.64) 		W 6-2
6-3		 3.00 2.82
10/29/2020 Adult 18+
3.0		 Underdonk - RS Hard
Florida		 D2 JULIA ELLIOT
(2.86) 		Elizabeth Daza
(2.67)
Allison McCrory
(2.75) 		L 7-5
7-5		 2.57 2.74
10/15/2020 Adult 18+
3.0		 Underdonk - RS Hard
Florida		 S1 Tori Baker
(2.70) 		L 7-5
6-2		 2.53 2.75
10/08/2020 Adult 18+
3.0		 Underdonk - RS Hard
Florida		 D1 Klara Szalai
(2.65) 		Jean Cochran
(2.85)
Sissy Partridge
(2.51) 		L 6-4
6-4		 2.67 2.80
08/20/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 S1 Default W 6-0
6-0		 ----- -----
08/13/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 D3 Susan Harberson
(2.42) 		Regina Dixon
(2.63)
JENNIFER HOUSTON
(2.81) 		L 6-4
6-2		 2.75 2.83
08/11/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 D1 Katharine Searcy
(2.78) 		LAURY KOONTZ
(2.61)
Heba El Goweni
(2.50) 		W 6-1
7-5		 2.80 2.86
08/06/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 S1 Karen Crane
(2.62) 		L 7-5
6-3		 2.49 2.84
07/30/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 D3 Katharine Searcy
(2.79) 		Carole Cantin
(2.63)
Jean Cochran
(2.74) 		L 6-3
6-3		 2.56 2.86
07/16/2020 Adult 40+
3.0		 Underdonk - RS Hard
Florida		 D2 Katharine Searcy
(2.82) 		Elizabeth Daza
(2.63)
Allison Hunt
(2.60) 		W 6-3
6-2		 2.91 2.94
02/08/2020 Adult 55+
6.0		 Haigler - RS Hard
Florida		 D2 Mary Jean Frank
(2.60) 		Kaye Whittenberger
(2.52)
Elaine Weil
(2.53) 		W 2-6
6-4
1-0		 2.69 2.92
02/01/2020 Adult 55+
6.0		 Haigler - RS Hard
Florida		 D1 Katharine Searcy
(2.75) 		Judy Kings
(2.56)
Mary Benson
(2.51) 		W 6-2
7-6		 S 2.99
01/25/2020 Adult 55+
6.0		 Haigler - RS Hard
Florida		 D3 Nena Haigler
(2.64) 		Jackie Holloway
(2.44)
Mary Benson
(2.50) 		W 6-2
6-2		 2.94 2.99
01/19/2020 Adult 55+
6.0		 Haigler - RS Hard
Florida		 D2 Nena Haigler
(2.64) 		Elaine Weil
(2.53)
Janet Heishman
(-----) 		L 2-6
6-4
1-0		 S 3.00
11/12/2020 S2 Adult 18+
3.0
Underdonk - RS Hard
Florida		 L Whittenberger - RS Hard
Florida
6-2
6-2		 Kaye Whittenberger (2.64)
Match: 2.35 Rating: 2.66
11/05/2020 D1 Adult 18+
3.0
Underdonk - RS Hard
Florida		 W Sasser-SHL
Florida
Klara Szalai (2.60) 6-2
6-3		 Robin Rowan (2.75)
Julie Patrick (2.64)
Match: 3.00 Rating: 2.82
10/29/2020 D2 Adult 18+
3.0
Underdonk - RS Hard
Florida		 L Escambia - RS/Wilson
Florida
JULIA ELLIOT (2.86) 7-5
7-5		 Elizabeth Daza (2.67)
Allison McCrory (2.75)
Match: 2.57 Rating: 2.74
10/15/2020 S1 Adult 18+
3.0
Underdonk - RS Hard
Florida		 L Tan - SHL
Florida
7-5
6-2		 Tori Baker (2.70)
Match: 2.53 Rating: 2.75
10/08/2020 D1 Adult 18+
3.0
Underdonk - RS Hard
Florida		 L Cochran - RS Hard
Florida
Klara Szalai (2.65) 6-4
6-4		 Jean Cochran (2.85)
Sissy Partridge (2.51)
Match: 2.67 Rating: 2.80
08/20/2020 S1 Adult 40+
3.0
Underdonk - RS Hard
Florida		 W Lievrouw - RS Hard
Florida
6-0
6-0		 Default
Match: ----- Rating: -----
08/13/2020 D3 Adult 40+
3.0
Underdonk - RS Hard
Florida		 L Wan - SHL
Florida
Susan Harberson (2.42) 6-4
6-2		 Regina Dixon (2.63)
JENNIFER HOUSTON (2.81)
Match: 2.75 Rating: 2.83
08/11/2020 D1 Adult 40+
3.0
Underdonk - RS Hard
Florida		 W Wilks - RS Hard
Florida
Katharine Searcy (2.78) 6-1
7-5		 LAURY KOONTZ (2.61)
Heba El Goweni (2.50)
Match: 2.80 Rating: 2.86
08/06/2020 S1 Adult 40+
3.0
Underdonk - RS Hard
Florida		 L Wan - SHL
Florida
7-5
6-3		 Karen Crane (2.62)
Match: 2.49 Rating: 2.84
07/30/2020 D3 Adult 40+
3.0
Underdonk - RS Hard
Florida		 L Cochran - RS Hard
Florida
Katharine Searcy (2.79) 6-3
6-3		 Carole Cantin (2.63)
Jean Cochran (2.74)
Match: 2.56 Rating: 2.86
07/16/2020 D2 Adult 40+
3.0
Underdonk - RS Hard
Florida		 W Escambia - RS/Wilson
Florida
Katharine Searcy (2.82) 6-3
6-2		 Elizabeth Daza (2.63)
Allison Hunt (2.60)
Match: 2.91 Rating: 2.94
02/08/2020 D2 Adult 55+
6.0
Haigler - RS Hard
Florida		 W Whittenberger - RS Hard
Florida
Mary Jean Frank (2.60) 2-6
6-4
1-0		 Kaye Whittenberger (2.52)
Elaine Weil (2.53)
Match: 2.69 Rating: 2.92
02/01/2020 D1 Adult 55+
6.0
Haigler - RS Hard
Florida		 W Whittenberger - RS Hard
Florida
Katharine Searcy (2.75) 6-2
7-6		 Judy Kings (2.56)
Mary Benson (2.51)
Match: S Rating: 2.99
01/25/2020 D3 Adult 55+
6.0
Haigler - RS Hard
Florida		 W Whittenberger - RS Hard
Florida
Nena Haigler (2.64) 6-2
6-2		 Jackie Holloway (2.44)
Mary Benson (2.50)
Match: 2.94 Rating: 2.99
01/19/2020 D2 Adult 55+
6.0
Haigler - RS Hard
Florida		 L Whittenberger - RS Hard
Florida
Nena Haigler (2.64) 2-6
6-4
1-0		 Elaine Weil (2.53)
Janet Heishman (-----)
Match: S Rating: 3.00
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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