TennisRecord.com - Estimated Tennis Ratings & Stats

Match History (2019)

Derek Yamamoto (Sacramento, CA) Male	4.0 C 12/31/2021
Estimated Dynamic Rating	3.5348 6/14/2024
Projected Year End Rating	------ ----------

4.0 Rating Meter

3.5001 - 4.0000

Recent Match History Current Rating History

4.0 Rating Meter

Recent Match History
Current Rating Season

2019 Overall Season

League/Level	Total Matches	Win	Loss	WPct	Total Sets	Win	Loss	WPct	Total Games	Win	Loss	WPct
Adult 18+ 4.0	6	2	4	33.3	11	3	8	27.3	106	47	59	44.3
Combo 8.5	2	0	2	0.0	5	1	4	20.0	38	15	23	39.5
Mixed 18+ 8.0	3	3	0	100.0	7	6	1	85.7	63	37	26	58.7
Mixed 40+ 8.0	4	0	4	0.0	9	1	8	11.1	90	38	52	42.2
Total	15	5	10	33.3	32	11	21	34.4	297	137	160	46.1

Match Date	League	Team	Court	Partner	Opponent(s)	W/L	Result	Match	Rating
12/19/2019	Combo 8.5	NATOMAS RC CM8.5A No California	D2	Kevin Burnham (4.07)	Charles Lasalle (4.52) Greg Ingram (3.76)	L	6-1 3-6 1-0	3.78	-----
11/23/2019	Combo 8.5	NATOMAS RC CM8.5A No California	D1	Alex Agurto (4.13)	Roger Putty (4.03) Rob Lessler (3.74)	L	6-2 7-6	3.46	-----
11/07/2019	Mixed 40+ 8.0	NATOMAS RC 40MX8.0A No California	D2	Hong Manh (3.79)	Pierre Ladion (4.42) Ella Hurd (3.43)	L	6-4 7-6	3.75	3.63
10/22/2019	Mixed 40+ 8.0	NATOMAS RC 40MX8.0A No California	D2	Malou Catanyag (3.88)	Randy Marchbanks (3.41) Kristen Bailey (4.08)	L	7-5 6-4	3.51	3.59
10/07/2019	Mixed 40+ 8.0	NATOMAS RC 40MX8.0A No California	D3	Angelita Vallejo (3.52)	Derek Wiggin (3.46) Cheryl Mattox (3.43)	L	6-7 7-6 1-0	3.46	3.59
09/18/2019	Mixed 40+ 8.0	NATOMAS RC 40MX8.0A No California	D2	Malou Catanyag (3.84)	Mark Obrochta (4.27) Lyn Wilson (3.31)	L	6-4 6-2	3.50	3.59
08/29/2019	Mixed 18+ 8.0	NATOMAS RC 18MX8.0A No California	D2	Marissa Fullum-Campbell (3.87)	Dani Weinstein (3.58) Maureen Snyder (3.67)	W	6-1 7-5	3.73	3.65
08/27/2019	Mixed 18+ 8.0	NATOMAS RC 18MX8.0A No California	D2	Malou Catanyag (3.72)	Rob Lessler (4.10) Susan Mouzes (3.62)	W	4-6 7-6 1-0	3.78	3.63
08/15/2019	Tournament NM4.0s	Spare Time Sports Club Adult Championships 2019	Q		oliver wreford (3.88)	L	4-6 6-1 1-0	S	-----
08/14/2019	Tournament NM4.0s	Spare Time Sports Club Adult Championships 2019	16		Donald R Bricker (3.58)	W	6-3 6-2	S	-----
06/28/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	S1		Gregory Hayes (3.96)	L	6-4 6-1	3.72	3.65
06/25/2019	Mixed 18+ 8.0	NATOMAS RC 18MX8.0A No California	D3	Janice Low (3.59)	Mark Grip (3.21) Carrie Grip (3.56)	W	6-4 6-4	3.50	3.58
06/13/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	S2		Russell Jilot (-----)	W	3-0	-----	-----
05/28/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	D2	Kobi Sonoyama (3.77)	Eric Andrus (3.83) Mike Hendrick (3.74)	L	6-4 7-6	3.65	3.64
05/23/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	S2		Richard Le (3.82)	L	6-0 7-6	3.60	3.63
05/17/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	D1	Andrew Hindman (3.69)	Henri Pelletier (3.53) Daniel Lee (3.61)	L	7-6 6-4	3.49	3.62
04/25/2019	Adult 18+ 4.0	NATOMAS RC 18AM4.0A No California	S1		Richard Le (3.73)	W	7-6 6-2	3.86	3.66
03/17/2019	Tournament NM4.0d	Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0	3RD	Matt Mentch (3.66)	Dil Chitaure (3.54) Joelle Miller (3.41)	W	6-2 6-3	3.70	-----
03/17/2019	Tournament NM4.0d	Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0	S	Matt Mentch (3.66)	Gary Cain (3.54) Mark Wallace (3.87)	L	7-6 6-2	3.56	-----
03/16/2019	Tournament NM4.0s	Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0	Q		oliver wreford (3.88)	L	6-3 6-0	S	-----
03/16/2019	Tournament NM4.0s	Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0	16		Jose Cross (-----)	W	6-4	S	-----

12/19/2019	D2	Combo 8.5
NATOMAS RC CM8.5A No California	L	GOLD RIVER RC CM8.5A No California
Kevin Burnham (4.07)	6-1 3-6 1-0	Charles Lasalle (4.52) Greg Ingram (3.76)
Match: 3.78		Rating: -----

11/23/2019	D1	Combo 8.5
NATOMAS RC CM8.5A No California	L	JOHNSON RANCH CM8.5A No California
Alex Agurto (4.13)	6-2 7-6	Roger Putty (4.03) Rob Lessler (3.74)
Match: 3.46		Rating: -----

11/07/2019	D2	Mixed 40+ 8.0
NATOMAS RC 40MX8.0A No California	L	MAHANY PK 40MX8.0A No California
Hong Manh (3.79)	6-4 7-6	Pierre Ladion (4.42) Ella Hurd (3.43)
Match: 3.75		Rating: 3.63

10/22/2019	D2	Mixed 40+ 8.0
NATOMAS RC 40MX8.0A No California	L	JOHNSON RANCH 40MX8.0A No California
Malou Catanyag (3.88)	7-5 6-4	Randy Marchbanks (3.41) Kristen Bailey (4.08)
Match: 3.51		Rating: 3.59

10/07/2019	D3	Mixed 40+ 8.0
NATOMAS RC 40MX8.0A No California	L	BROADSTONE RC 40MX8.0B No California
Angelita Vallejo (3.52)	6-7 7-6 1-0	Derek Wiggin (3.46) Cheryl Mattox (3.43)
Match: 3.46		Rating: 3.59

09/18/2019	D2	Mixed 40+ 8.0
NATOMAS RC 40MX8.0A No California	L	GOLD RIVER RC 40MX8.0A No California
Malou Catanyag (3.84)	6-4 6-2	Mark Obrochta (4.27) Lyn Wilson (3.31)
Match: 3.50		Rating: 3.59

08/29/2019	D2	Mixed 18+ 8.0
NATOMAS RC 18MX8.0A No California	W	BROADSTONE RC 18MX8.0C No California
Marissa Fullum-Campbell (3.87)	6-1 7-5	Dani Weinstein (3.58) Maureen Snyder (3.67)
Match: 3.73		Rating: 3.65

08/27/2019	D2	Mixed 18+ 8.0
NATOMAS RC 18MX8.0A No California	W	JOHNSON RANCH 18MX8.0A No California
Malou Catanyag (3.72)	4-6 7-6 1-0	Rob Lessler (4.10) Susan Mouzes (3.62)
Match: 3.78		Rating: 3.63

Spare Time Sports Club Adult Championships 2019
08/15/2019	Q	Tournament NM4.0s
	L
	4-6 6-1 1-0	oliver wreford (3.88)
Match: S		Rating: -----

Spare Time Sports Club Adult Championships 2019
08/14/2019	16	Tournament NM4.0s
	W
	6-3 6-2	Donald R Bricker (3.58)
Match: S		Rating: -----

06/28/2019	S1	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	L	LAGUNA CREEK 18AM4.0A No California
	6-4 6-1	Gregory Hayes (3.96)
Match: 3.72		Rating: 3.65

06/25/2019	D3	Mixed 18+ 8.0
NATOMAS RC 18MX8.0A No California	W	BROADSTONE RC 18MX8.0C No California
Janice Low (3.59)	6-4 6-4	Mark Grip (3.21) Carrie Grip (3.56)
Match: 3.50		Rating: 3.58

06/13/2019	S2	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	W	REGIONAL PK 18AM4.0A No California
	3-0	Russell Jilot (-----)
Match: -----		Rating: -----

05/28/2019	D2	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	L	JOHNSON RANCH 18AM4.0A No California
Kobi Sonoyama (3.77)	6-4 7-6	Eric Andrus (3.83) Mike Hendrick (3.74)
Match: 3.65		Rating: 3.64

05/23/2019	S2	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	L	LAGUNA CREEK 18AM4.0A No California
	6-0 7-6	Richard Le (3.82)
Match: 3.60		Rating: 3.63

05/17/2019	D1	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	L	GOLD RIVER RC 18AM4.0B No California
Andrew Hindman (3.69)	7-6 6-4	Henri Pelletier (3.53) Daniel Lee (3.61)
Match: 3.49		Rating: 3.62

04/25/2019	S1	Adult 18+ 4.0
NATOMAS RC 18AM4.0A No California	W	LAGUNA CREEK 18AM4.0A No California
	7-6 6-2	Richard Le (3.73)
Match: 3.86		Rating: 3.66

Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0
03/17/2019	3RD	Tournament NM4.0d
	W
Matt Mentch (3.66)	6-2 6-3	Dil Chitaure (3.54) Joelle Miller (3.41)
Match: 3.70		Rating: -----

Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0
03/17/2019	S	Tournament NM4.0d
	L
Matt Mentch (3.66)	7-6 6-2	Gary Cain (3.54) Mark Wallace (3.87)
Match: 3.56		Rating: -----

Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0
03/16/2019	Q	Tournament NM4.0s
	L
	6-3 6-0	oliver wreford (3.88)
Match: S		Rating: -----

Natomas $2,000 Open/NTRP/Senior Tournament - TOY 3.5, 4.0, 5.0
03/16/2019	16	Tournament NM4.0s
	W
	6-4	Jose Cross (-----)
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.