Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Jack Lehmann (Wilmington, NC)
Male 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.3788
2/27/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2021 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 55+ 4.0 8 4 4 0 50.0 18 9 9 50.0 152 76 76 50.0 0
Total 8 4 4 0 50.0 18 9 9 50.0 152 76 76 50.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
05/01/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 Peter Van Drumpt
(3.56) 		Edward Knox
(3.63)
Rick Royall
(3.55) 		L 4-6
6-2
1-0		 3.50 3.54
04/24/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 Peter Van Drumpt
(3.56) 		James Williams
(3.52)
Peter Cerra Sr
(3.36) 		W 6-4
4-6
1-0		 3.49 3.55
04/17/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 Peter Van Drumpt
(3.50) 		Edward Knox
(3.69)
Charles Meier
(3.37) 		W 6-2
7-5		 3.71 3.60
04/14/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 JONATHAN BALKCUM
(3.38) 		Stephen Parker
(3.59)
Michael Murchison
(3.73) 		L 6-0
6-3		 3.44 3.52
04/05/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 Peter Van Drumpt
(3.49) 		David Goodare
(3.51)
Peter Weppler
(3.49) 		W 6-1
6-3		 3.78 3.62
03/27/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D2 Gerard Schwartzel
(3.59) 		Ken Verrusio
(3.83)
Tim Harris
(3.45) 		L 6-4
6-2		 3.44 3.49
03/17/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 Peter Van Drumpt
(3.37) 		Douglas Smith
(3.86)
David Goodare
(3.49) 		W 7-5
6-1		 3.93 3.57
03/03/2021 Adult 55+
4.0		 UGSC - Schwartzel
Southern		 D3 RODNEY ERTISCHEK
(3.47) 		Colin Chapman
(3.39)
David Goodare
(3.49) 		L 7-5
7-5		 S 3.44
05/01/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 L Arnold/Baggett
Southern
Peter Van Drumpt (3.56) 4-6
6-2
1-0		 Edward Knox (3.63)
Rick Royall (3.55)
Match: 3.50 Rating: 3.54
04/24/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 W KELLER GRAYJOCKS
Southern
Peter Van Drumpt (3.56) 6-4
4-6
1-0		 James Williams (3.52)
Peter Cerra Sr (3.36)
Match: 3.49 Rating: 3.55
04/17/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 W Arnold/Baggett
Southern
Peter Van Drumpt (3.50) 6-2
7-5		 Edward Knox (3.69)
Charles Meier (3.37)
Match: 3.71 Rating: 3.60
04/14/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 L Parker
Southern
JONATHAN BALKCUM (3.38) 6-0
6-3		 Stephen Parker (3.59)
Michael Murchison (3.73)
Match: 3.44 Rating: 3.52
04/05/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 W KELLER GRAYJOCKS
Southern
Peter Van Drumpt (3.49) 6-1
6-3		 David Goodare (3.51)
Peter Weppler (3.49)
Match: 3.78 Rating: 3.62
03/27/2021 D2 Adult 55+
4.0
UGSC - Schwartzel
Southern		 L Arnold/Baggett
Southern
Gerard Schwartzel (3.59) 6-4
6-2		 Ken Verrusio (3.83)
Tim Harris (3.45)
Match: 3.44 Rating: 3.49
03/17/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 W KELLER GRAYJOCKS
Southern
Peter Van Drumpt (3.37) 7-5
6-1		 Douglas Smith (3.86)
David Goodare (3.49)
Match: 3.93 Rating: 3.57
03/03/2021 D3 Adult 55+
4.0
UGSC - Schwartzel
Southern		 L KELLER GRAYJOCKS
Southern
RODNEY ERTISCHEK (3.47) 7-5
7-5		 Colin Chapman (3.39)
David Goodare (3.49)
Match: S Rating: 3.44
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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