Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2022) View Advanced Player Stats
Darien Lum (Lafayette, CA)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 4.0170
10/25/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2022 Mixed 40+ Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Mixed 40+ 8.0 10 9 1 0 90.0 23 18 5 78.3 182 110 72 60.4 0
Mixed 40+ 9.0 3 1 2 0 33.3 7 2 5 28.6 48 15 33 31.3 0
Total 13 10 3 0 76.9 30 20 10 66.7 230 125 105 54.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/07/2022 Mixed 40+
8.0
Sectionals		 MERVYN MORRIS PK 40MX8.0A
No California		 D2 Shin Koo
(3.97) 		Kurt Munch
(4.10)
Erika Stone
(3.51) 		W 6-2
6-2		 4.08 3.95
09/08/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D3 Shin Koo
(-----) 		Andrew Waterman
(-----)
Anita Kressner
(-----) 		L 6-3
6-4		 NC NC
08/28/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D2 Shin Koo
(3.91) 		Sanjay Backliwal
(4.15)
Caroline Hauck
(3.13) 		W 6-3
2-6
1-0		 3.61 3.83
08/21/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D3 Shin Koo
(4.00) 		Ovidiu Roatis
(3.68)
Kalliope Bellesis
(3.68) 		W 4-6
6-3
1-0		 3.67 3.84
08/15/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D3 Shin Koo
(3.87) 		Douglas Friedman
(4.08)
Isobel Gotto
(3.04) 		W 6-1
6-3		 3.87 3.87
08/14/2022 Mixed 40+
8.0		 PLEASANTON 40MX8.0A
No California		 D1 Shin Koo
(3.98) 		Lisa Chapman
(4.04)
Ronald Santilli
(3.51) 		W 6-3
6-1		 4.00 3.90
08/12/2022 Mixed 40+
9.0		 SAN RAMON VALLEY HIGH 40MX9.0A
No California		 D2 Julianne Gee
(4.02) 		Ning Docena
(3.54)
Sanjay Backliwal
(4.19) 		W 1-6
6-3
1-0		 3.75 3.85
08/07/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D2 Irina Weintraub
(3.76) 		Tracy Leeds
(3.64)
Leon Wann
(3.78) 		W 7-6
7-5		 3.85 3.87
07/27/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D2 Shin Koo
(3.85) 		Katy Keim
(3.93)
Paul Munson
(3.91) 		W 6-3
6-4		 4.06 3.90
07/23/2022 Mixed 40+
9.0		 SAN RAMON VALLEY HIGH 40MX9.0A
No California		 D3 Devon Brodhead
(4.01) 		Paul Liu
(4.32)
Laura Norden
(4.04) 		L 6-1
6-3		 3.83 3.84
07/10/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D3 Shin Koo
(3.78) 		Kalliope Bellesis
(3.73)
David Kim
(3.82) 		W 6-2
6-2		 4.08 3.89
07/06/2022 Mixed 40+
9.0		 SAN RAMON VALLEY HIGH 40MX9.0A
No California		 D2 Suzanne Chan
(4.47) 		Parag Bhatt
(4.31)
Marianne Dundon
(4.56) 		L 6-2
6-1		 3.78 3.80
06/25/2022 Mixed 40+
8.0		 MERVYN MORRIS PK 40MX8.0A
No California		 D1 Kathryn Aguilar
(3.78) 		Paul Munson
(3.92)
Katy Keim
(3.91) 		W 2-6
6-2
1-0		 3.97 3.84
10/07/2022 D2 Mixed 40+
8.0
Sectionals
MERVYN MORRIS PK 40MX8.0A
No California		 W LAGUNA CREEK 40MX8.0B
No California
Shin Koo (3.97) 6-2
6-2		 Kurt Munch (4.10)
Erika Stone (3.51)
Match: 4.08 Rating: 3.95
09/08/2022 D3 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 L CLAREMONT R and S 40MX8.0A
No California
Shin Koo (-----) 6-3
6-4		 Andrew Waterman (-----)
Anita Kressner (-----)
Match: NC Rating: NC
08/28/2022 D2 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W LANEY TA/ALAMEDA HS 40MX8.0A
No California
Shin Koo (3.91) 6-3
2-6
1-0		 Sanjay Backliwal (4.15)
Caroline Hauck (3.13)
Match: 3.61 Rating: 3.83
08/21/2022 D3 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W CHABOT CANYON 40MX8.0A
No California
Shin Koo (4.00) 4-6
6-3
1-0		 Ovidiu Roatis (3.68)
Kalliope Bellesis (3.68)
Match: 3.67 Rating: 3.84
08/15/2022 D3 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W WASHINGTON PK 40MX8.0A
No California
Shin Koo (3.87) 6-1
6-3		 Douglas Friedman (4.08)
Isobel Gotto (3.04)
Match: 3.87 Rating: 3.87
08/14/2022 D1 Mixed 40+
8.0
PLEASANTON 40MX8.0A
No California		 W BLACKHAWK CC 40MX8.0A
No California
Shin Koo (3.98) 6-3
6-1		 Lisa Chapman (4.04)
Ronald Santilli (3.51)
Match: 4.00 Rating: 3.90
08/12/2022 D2 Mixed 40+
9.0
SAN RAMON VALLEY HIGH 40MX9.0A
No California		 W WALNUT CREEK RC/Walnut Creek TC 40MX9.0A
No California
Julianne Gee (4.02) 1-6
6-3
1-0		 Ning Docena (3.54)
Sanjay Backliwal (4.19)
Match: 3.75 Rating: 3.85
08/07/2022 D2 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W WASHINGTON PK 40MX8.0A
No California
Irina Weintraub (3.76) 7-6
7-5		 Tracy Leeds (3.64)
Leon Wann (3.78)
Match: 3.85 Rating: 3.87
07/27/2022 D2 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W CLAREMONT R and S 40MX8.0A
No California
Shin Koo (3.85) 6-3
6-4		 Katy Keim (3.93)
Paul Munson (3.91)
Match: 4.06 Rating: 3.90
07/23/2022 D3 Mixed 40+
9.0
SAN RAMON VALLEY HIGH 40MX9.0A
No California		 L BAY CLUB PL 40MX9.0A
No California
Devon Brodhead (4.01) 6-1
6-3		 Paul Liu (4.32)
Laura Norden (4.04)
Match: 3.83 Rating: 3.84
07/10/2022 D3 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W CHABOT CANYON 40MX8.0A
No California
Shin Koo (3.78) 6-2
6-2		 Kalliope Bellesis (3.73)
David Kim (3.82)
Match: 4.08 Rating: 3.89
07/06/2022 D2 Mixed 40+
9.0
SAN RAMON VALLEY HIGH 40MX9.0A
No California		 L Walnut Creek TC 40MX9.0B
No California
Suzanne Chan (4.47) 6-2
6-1		 Parag Bhatt (4.31)
Marianne Dundon (4.56)
Match: 3.78 Rating: 3.80
06/25/2022 D1 Mixed 40+
8.0
MERVYN MORRIS PK 40MX8.0A
No California		 W CLAREMONT R and S 40MX8.0A
No California
Kathryn Aguilar (3.78) 2-6
6-2
1-0		 Paul Munson (3.92)
Katy Keim (3.91)
Match: 3.97 Rating: 3.84
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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