Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Recent) View Advanced Player Stats
David Koss (San Mateo, CA)
Male 		3.5 C
12/31/2022
Estimated Dynamic Rating 3.1981
6/5/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
Recent History
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 3 1 2 0 33.3 6 2 4 33.3 52 25 27 48.1 0
Adult 40+ 3.5 4 1 3 0 25.0 10 4 6 40.0 75 39 36 52.0 0
Total 7 2 5 0 28.6 16 6 10 37.5 127 64 63 50.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
05/18/2025 Adult 18+
3.5		 FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 D1 Yu Han
(3.38) 		Alfredo Piazza
(3.04)
Randy Seid
(2.87) 		W 6-1
6-1		 3.22 3.20
05/04/2025 Adult 18+
3.5		 FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 D3 Felix Jiang
(2.75) 		Nicholas Blanchard
(3.20)
Domenico Milano
(3.21) 		L 6-3
6-3		 S 3.13
04/15/2025 Adult 18+
3.5		 FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 D2 Bob Whitaker
(3.29) 		Dan Le
(3.19)
Srikanth Chinmay
(2.68) 		L 7-6
6-1		 2.75 3.13
03/11/2025 Adult 40+
3.5		 FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 D3 Lawren Wu
(3.02) 		Martin Funk
(3.41)
Tom Treanor
(3.08) 		W 6-3
6-2		 3.57 3.26
03/09/2025 Adult 40+
3.5		 FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 D3 Rey Legaspi
(3.22) 		Gordon Hattori
(3.20)
Corey Liu
(3.51) 		L 3-6
6-3
1-0		 3.30 3.18
03/02/2025 Adult 40+
3.5		 FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 D3 Seth Lalonde
(3.26) 		Nicholas Blanchard
(3.15)
John Kawamoto
(3.27) 		L 1-6
6-3
1-0		 3.19 3.16
02/08/2025 Adult 40+
3.5		 FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 D3 Paul Swink
(3.17) 		Martin Funk
(3.38)
jason kletter
(3.01) 		L 7-6
6-3		 3.10 3.15
05/18/2025 D1 Adult 18+
3.5
FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 W SAN CARLOS TC/ARGUELLO PK 18AM3.5B
No California
Yu Han (3.38) 6-1
6-1		 Alfredo Piazza (3.04)
Randy Seid (2.87)
Match: 3.22 Rating: 3.20
05/04/2025 D3 Adult 18+
3.5
FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 L SAN CARLOS TC/ARGUELLO PK 18AM3.5A
No California
Felix Jiang (2.75) 6-3
6-3		 Nicholas Blanchard (3.20)
Domenico Milano (3.21)
Match: S Rating: 3.13
04/15/2025 D2 Adult 18+
3.5
FOSTER CITY TC/EDGEWATER PK 18AM3.5A
No California		 L BAY CLUB REDWOOD SHORES 18AM3.5A
No California
Bob Whitaker (3.29) 7-6
6-1		 Dan Le (3.19)
Srikanth Chinmay (2.68)
Match: 2.75 Rating: 3.13
03/11/2025 D3 Adult 40+
3.5
FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 W PENINSULA TC 40AM3.5A
No California
Lawren Wu (3.02) 6-3
6-2		 Martin Funk (3.41)
Tom Treanor (3.08)
Match: 3.57 Rating: 3.26
03/09/2025 D3 Adult 40+
3.5
FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 L MILLBRAE RC 40AM3.5A
No California
Rey Legaspi (3.22) 3-6
6-3
1-0		 Gordon Hattori (3.20)
Corey Liu (3.51)
Match: 3.30 Rating: 3.18
03/02/2025 D3 Adult 40+
3.5
FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 L SAN CARLOS TC/ARGUELLO PK 40AM3.5A
No California
Seth Lalonde (3.26) 1-6
6-3
1-0		 Nicholas Blanchard (3.15)
John Kawamoto (3.27)
Match: 3.19 Rating: 3.16
02/08/2025 D3 Adult 40+
3.5
FOSTER CITY TC/EDGEWATER PK 40AM3.5A
No California		 L PENINSULA TC 40AM3.5A
No California
Paul Swink (3.17) 7-6
6-3		 Martin Funk (3.38)
jason kletter (3.01)
Match: 3.10 Rating: 3.15
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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