Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Johonna Katz (Portola Valley, CA)
Female 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.4569
11/2/2024
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 Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 40+ 3.5 2 2 0 0 100.0 4 4 0 100.0 32 24 8 75.0 0
Combo 5.5 1 1 0 0 100.0 2 2 0 100.0 19 13 6 68.4 0
Combo 6.5 3 2 1 0 66.7 8 5 3 62.5 52 34 18 65.4 0
Combo 7.5 1 1 0 0 100.0 3 2 1 66.7 20 11 9 55.0 0
Total 7 6 1 0 85.7 17 13 4 76.5 123 82 41 66.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/03/2021 Combo
7.5		 ALPINE HILLS CW7.5A
No California		 D2 Jenny Harley
(-----) 		Yvonne Selner
(3.70)
Vicki Juelsgaard
(3.15) 		W 6-3
4-6
1-0		 S -----
09/30/2021 Combo
6.5		 ALPINE HILLS CW6.5A
No California		 D3 Allison Carlson
(2.69) 		Jessica Yu
(2.84)
Hyun Ju Park
(3.13) 		L 7-5
2-6
1-0		 3.33 -----
02/10/2020 Adult 40+
3.5		 ALPINE HILLS 40AW3.5A
No California		 D1 Kirsty Baker
(3.23) 		Elaine Taylor
(3.17)
Renata Mullen
(3.28) 		W 6-2
6-1		 3.53 3.29
02/01/2020 Adult 40+
3.5		 ALPINE HILLS 40AW3.5A
No California		 D3 Kirsty Baker
(3.15) 		Cheryl Mejia
(2.95)
Elizabeth ShrankYapp
(3.17) 		W 6-2
6-3		 3.28 3.17
12/14/2019 Combo
5.5		 ALPINE HILLS CW5.5A
No California		 D2 Rachel Berg
(1.99) 		Gloria Chaw
(2.52)
Revathy Shiv
(2.23) 		W 6-1
7-5		 3.19 -----
11/23/2019 Combo
6.5		 ALPINE HILLS CW6.5A
No California		 D2 Minnie Sarwal
(-----) 		Marianne Barulich Tracy
(2.89)
Trevlyn Williams
(2.49) 		W 6-0
6-1		 S -----
11/17/2019 Combo
6.5		 ALPINE HILLS CW6.5A
No California		 D3 Minnie Sarwal
(-----) 		Sophia Gupta
(3.04)
Sandy Verma
(3.01) 		W 6-1
4-6
1-0		 S -----
10/03/2021 D2 Combo
7.5
ALPINE HILLS CW7.5A
No California		 W SHARON HTS CC CW7.5A
No California
Jenny Harley (-----) 6-3
4-6
1-0		 Yvonne Selner (3.70)
Vicki Juelsgaard (3.15)
Match: S Rating: -----
09/30/2021 D3 Combo
6.5
ALPINE HILLS CW6.5A
No California		 L RINCONADA PK CW6.5A
No California
Allison Carlson (2.69) 7-5
2-6
1-0		 Jessica Yu (2.84)
Hyun Ju Park (3.13)
Match: 3.33 Rating: -----
02/10/2020 D1 Adult 40+
3.5
ALPINE HILLS 40AW3.5A
No California		 W LADERA OAKS 40AW3.5A
No California
Kirsty Baker (3.23) 6-2
6-1		 Elaine Taylor (3.17)
Renata Mullen (3.28)
Match: 3.53 Rating: 3.29
02/01/2020 D3 Adult 40+
3.5
ALPINE HILLS 40AW3.5A
No California		 W PENINSULA CC 40AW3.5A
No California
Kirsty Baker (3.15) 6-2
6-3		 Cheryl Mejia (2.95)
Elizabeth ShrankYapp (3.17)
Match: 3.28 Rating: 3.17
12/14/2019 D2 Combo
5.5
ALPINE HILLS CW5.5A
No California		 W STANFORD-CRA CW5.5A
No California
Rachel Berg (1.99) 6-1
7-5		 Gloria Chaw (2.52)
Revathy Shiv (2.23)
Match: 3.19 Rating: -----
11/23/2019 D2 Combo
6.5
ALPINE HILLS CW6.5A
No California		 W PENINSULA CC CW6.5A
No California
Minnie Sarwal (-----) 6-0
6-1		 Marianne Barulich Tracy (2.89)
Trevlyn Williams (2.49)
Match: S Rating: -----
11/17/2019 D3 Combo
6.5
ALPINE HILLS CW6.5A
No California		 W FREMONT HILLS CC CW6.5A
No California
Minnie Sarwal (-----) 6-1
4-6
1-0		 Sophia Gupta (3.04)
Sandy Verma (3.01)
Match: S Rating: -----
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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