Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Rating) View Advanced Player Stats
Mark Ishihara (San Diego, CA)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.9875
7/4/2025
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
Current Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 5 2 3 0 40.0 11 5 6 45.5 101 50 51 49.5 0
Adult 18+ 4.5 2 0 2 0 0.0 5 1 4 20.0 42 16 26 38.1 0
Adult 40+ 4.0 2 2 0 0 100.0 5 4 1 80.0 36 23 13 63.9 0
Adult 40+ 4.5 2 0 2 0 0.0 5 1 4 20.0 40 15 25 37.5 0
Adult 55+ 8.0 1 1 0 0 100.0 2 2 0 100.0 23 13 10 56.5 0
Adult Other 4.5 1 0 1 0 0.0 2 0 2 0.0 18 6 12 33.3 0
Mixed 18+ 8.0 2 1 1 0 50.0 4 2 2 50.0 30 17 13 56.7 0
Mixed Other 8.0 5 5 0 0 100.0 11 10 1 90.9 84 59 25 70.2 0
Mixed Other 9.0 1 0 1 0 0.0 2 0 2 0.0 15 3 12 20.0 0
Total 21 11 10 0 52.4 47 25 22 53.2 389 202 187 51.9 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
06/29/2025 Adult 55+
8.0		 SDNC 8.0 RPTC/ Ackley
So California		 D2 Jeffrey Ackley
(3.67) 		Eric Harnish
(4.05)
Daniel Patton
(3.43) 		W 6-4
7-6		 3.98 3.99
06/22/2025 Adult 18+
4.0
Flight		 SDNC 4.0 RPTC (3:2)/ Yeem
So California		 D2 Jeff Speir
(3.84) 		Cer Jeeno Villamor
(4.04)
Randy Tran
(4.03) 		L 7-5
6-7
1-0		 4.06 4.00
06/14/2025 Mixed Other
8.0
Flight		 SDNC 8.0 UCRC/ Isihara
So California		 D1 Desiree Seager
(3.85) 		Scott Carr
(4.13)
Kim Pathammavong
(3.89) 		W 3-6
6-4
1-0		 4.14 4.08
06/08/2025 Adult 18+
4.0		 SDNC 4.0 RPTC (3:2)/ Yeem
So California		 D1 Andrew Mikschl
(3.98) 		Stephen Nicol
(3.87)
Stephen McCourt
(3.63) 		W 6-3
6-3		 3.95 3.98
06/07/2025 Mixed Other
8.0		 SDNC 8.0 UCRC/ Isihara
So California		 D1 Desiree Seager
(3.81) 		Kellie Doyle
(4.19)
scott arnold
(3.33) 		W 6-1
6-3		 4.17 4.09
06/01/2025 Adult 18+
4.0		 SDNC 4.0 RPTC (3:2)/ Yeem
So California		 D2 Andrew Mikschl
(3.97) 		William McGuigan
(3.83)
Ronan Brown
(3.83) 		W 7-5
6-2		 4.00 3.99
05/31/2025 Adult 18+
4.5		 SDNC 4.5 RPTC (3:2)/ Donahue
So California		 D2 Sunmin Jeremiah Hong
(4.07) 		Bernie Buggs
(4.26)
Chad Basinger
(4.30) 		L 6-3
6-0		 3.91 3.97
05/25/2025 Adult 18+
4.5		 SDNC 4.5 RPTC (3:2)/ Donahue
So California		 D2 Robert Love
(4.12) 		Russell Silberstein
(4.12)
Andres Gutierrez
(4.00) 		L 6-7
7-6
1-0		 3.97 3.99
05/18/2025 Adult 18+
4.0		 SDNC 4.0 RPTC (3:2)/ Yeem
So California		 D2 Rand Smith
(3.80) 		Jason Alfrey
(4.02)
Brian Stevens
(3.96) 		L 6-3
6-4		 3.93 3.99
05/17/2025 Mixed Other
8.0		 SDNC 8.0 UCRC/ Isihara
So California		 D1 Desiree Seager
(3.86) 		Bradley Blose
(3.40)
Bea Vega
(3.50) 		W 6-1
6-2		 4.00 4.04
05/10/2025 Mixed Other
8.0		 SDNC 8.0 UCRC/ Isihara
So California		 D1 Stephanie Yasukochi
(3.71) 		Holly Miller
(3.73)
Joe Manheim
(3.80) 		W 7-5
6-3		 4.08 4.06
05/04/2025 Adult 18+
4.0		 SDNC 4.0 RPTC (3:2)/ Yeem
So California		 D1 Ha Dang
(3.98) 		Eric Harnish
(3.96)
Vinh Tran
(3.65) 		L 6-2
6-4		 3.63 3.96
05/03/2025 Mixed Other
8.0		 SDNC 8.0 UCRC/ Isihara
So California		 D1 Desiree Seager
(3.79) 		Zhuoling Jia
(3.75)
Casey Moore
(3.61) 		W 6-0
6-0		 4.27 4.09
03/09/2025 Adult 40+
4.0		 SDNC 4.0 RPTC(2:2)/ Yeem
So California		 D1 Andrew Mikschl
(3.98) 		Tim Hackett
(3.96)
Marcus Serrano
(3.87) 		W 6-2
4-6
1-0		 4.02 4.03
03/02/2025 Adult 40+
4.5		 SDNC 4.5 RPTC(2:2)/ Ishihara
So California		 D2 Brock Vandenberg
(4.11) 		Jose Ruelas
(4.52)
Joseph Merrill
(4.33) 		L 6-4
6-0		 4.09 4.03
01/25/2025 Mixed 18+
8.0		 SDNC 8.0 UCRC/ Ishihara
So California		 D2 Desiree Seager
(3.79) 		Yasmin Pakzad
(3.82)
Loren Chang
(3.93) 		L 6-3
6-2		 3.78 4.01
01/19/2025 Adult 40+
4.5		 SDNC 4.5 RPTC(2:2)/ Ishihara
So California		 D2 Brock Vandenberg
(4.07) 		Marty Martinez
(4.18)
Peter Vanderhyden
(4.03) 		L 6-7
6-4
1-0		 4.04 4.02
01/12/2025 Adult 40+
4.0		 SDNC 4.0 RPTC(2:2)/ Yeem
So California		 D1 Michael Donahue
(3.85) 		Rick Sauer
(3.90)
Jim Valenzuela
(3.73) 		W 6-2
6-3		 4.13 4.03
01/11/2025 Mixed 18+
8.0		 SDNC 8.0 UCRC/ Ishihara
So California		 D1 Desiree Seager
(3.70) 		Monica Berenter
(3.65)
Seth Mullen
(3.91) 		W 6-0
6-1		 4.36 4.08
11/17/2024 Adult Other
4.5		 SDNC 4.5 RPTC/ Ishihara
So California		 D3 Dieter Steinmetz
(4.12) 		Alex Barnett
(4.27)
James Koontz
(4.13) 		L 6-4
6-2		 3.95 3.99
11/16/2024 Mixed Other
9.0		 SDNC HT UCRC/ Hotta
So California		 D1 Robyn K F Leong
(4.30) 		Prentiss Van Den Berg
(4.31)
Keane Hindle
(4.45) 		L 6-3
6-0		 3.89 3.99
06/29/2025 D2 Adult 55+
8.0
SDNC 8.0 RPTC/ Ackley
So California		 W SDNC 8.0 SDTC/ Harnish
So California
Jeffrey Ackley (3.67) 6-4
7-6		 Eric Harnish (4.05)
Daniel Patton (3.43)
Match: 3.98 Rating: 3.99
06/22/2025 D2 Adult 18+
4.0
Flight
SDNC 4.0 RPTC (3:2)/ Yeem
So California		 L SDNC 4.0 RBHS (3:2)/ Villamor
So California
Jeff Speir (3.84) 7-5
6-7
1-0		 Cer Jeeno Villamor (4.04)
Randy Tran (4.03)
Match: 4.06 Rating: 4.00
06/14/2025 D1 Mixed Other
8.0
Flight
SDNC 8.0 UCRC/ Isihara
So California		 W SDNC LLW 8.0 KCP RANGERS/ Warren
So California
Desiree Seager (3.85) 3-6
6-4
1-0		 Scott Carr (4.13)
Kim Pathammavong (3.89)
Match: 4.14 Rating: 4.08
06/08/2025 D1 Adult 18+
4.0
SDNC 4.0 RPTC (3:2)/ Yeem
So California		 W SDNC 4.0 La Costa (3:2)/ Flaherty
So California
Andrew Mikschl (3.98) 6-3
6-3		 Stephen Nicol (3.87)
Stephen McCourt (3.63)
Match: 3.95 Rating: 3.98
06/07/2025 D1 Mixed Other
8.0
SDNC 8.0 UCRC/ Isihara
So California		 W SDNC 8.0 FRCC/ Arnold
So California
Desiree Seager (3.81) 6-1
6-3		 Kellie Doyle (4.19)
scott arnold (3.33)
Match: 4.17 Rating: 4.09
06/01/2025 D2 Adult 18+
4.0
SDNC 4.0 RPTC (3:2)/ Yeem
So California		 W SDNC 4.0 Lomas Santa Fe (3:2)/ Munce
So California
Andrew Mikschl (3.97) 7-5
6-2		 William McGuigan (3.83)
Ronan Brown (3.83)
Match: 4.00 Rating: 3.99
05/31/2025 D2 Adult 18+
4.5
SDNC 4.5 RPTC (3:2)/ Donahue
So California		 L SDNC 4.5 KCP (3:2)/ Buggs
So California
Sunmin Jeremiah Hong (4.07) 6-3
6-0		 Bernie Buggs (4.26)
Chad Basinger (4.30)
Match: 3.91 Rating: 3.97
05/25/2025 D2 Adult 18+
4.5
SDNC 4.5 RPTC (3:2)/ Donahue
So California		 L SDNC 4.5 FRCC (3:2)/ Mazarelli
So California
Robert Love (4.12) 6-7
7-6
1-0		 Russell Silberstein (4.12)
Andres Gutierrez (4.00)
Match: 3.97 Rating: 3.99
05/18/2025 D2 Adult 18+
4.0
SDNC 4.0 RPTC (3:2)/ Yeem
So California		 L SDNC 4.0 Brengle Terr (2:3)/ Bernard
So California
Rand Smith (3.80) 6-3
6-4		 Jason Alfrey (4.02)
Brian Stevens (3.96)
Match: 3.93 Rating: 3.99
05/17/2025 D1 Mixed Other
8.0
SDNC 8.0 UCRC/ Isihara
So California		 W SDNC 8.0 Carmel Valley/ Kuba
So California
Desiree Seager (3.86) 6-1
6-2		 Bradley Blose (3.40)
Bea Vega (3.50)
Match: 4.00 Rating: 4.04
05/10/2025 D1 Mixed Other
8.0
SDNC 8.0 UCRC/ Isihara
So California		 W SDNC 8.0 La Valle CC/ Manheim
So California
Stephanie Yasukochi (3.71) 7-5
6-3		 Holly Miller (3.73)
Joe Manheim (3.80)
Match: 4.08 Rating: 4.06
05/04/2025 D1 Adult 18+
4.0
SDNC 4.0 RPTC (3:2)/ Yeem
So California		 L SDNC 4.0 San Dieguito (3:2)/ Harnish
So California
Ha Dang (3.98) 6-2
6-4		 Eric Harnish (3.96)
Vinh Tran (3.65)
Match: 3.63 Rating: 3.96
05/03/2025 D1 Mixed Other
8.0
SDNC 8.0 UCRC/ Isihara
So California		 W SD 8.0 Balboa TC/ Fitzgerald
So California
Desiree Seager (3.79) 6-0
6-0		 Zhuoling Jia (3.75)
Casey Moore (3.61)
Match: 4.27 Rating: 4.09
03/09/2025 D1 Adult 40+
4.0
SDNC 4.0 RPTC(2:2)/ Yeem
So California		 W SDNC 4.0 Fairbanks(3:1)/ Hansen
So California
Andrew Mikschl (3.98) 6-2
4-6
1-0		 Tim Hackett (3.96)
Marcus Serrano (3.87)
Match: 4.02 Rating: 4.03
03/02/2025 D2 Adult 40+
4.5
SDNC 4.5 RPTC(2:2)/ Ishihara
So California		 L SDNC 4.5 SDTC(3:1)/ Martinez
So California
Brock Vandenberg (4.11) 6-4
6-0		 Jose Ruelas (4.52)
Joseph Merrill (4.33)
Match: 4.09 Rating: 4.03
01/25/2025 D2 Mixed 18+
8.0
SDNC 8.0 UCRC/ Ishihara
So California		 L SDNC LLW 8.0 RBS&TC/ Carmichael
So California
Desiree Seager (3.79) 6-3
6-2		 Yasmin Pakzad (3.82)
Loren Chang (3.93)
Match: 3.78 Rating: 4.01
01/19/2025 D2 Adult 40+
4.5
SDNC 4.5 RPTC(2:2)/ Ishihara
So California		 L SDNC 4.5 SDTC(3:1)/ Martinez
So California
Brock Vandenberg (4.07) 6-7
6-4
1-0		 Marty Martinez (4.18)
Peter Vanderhyden (4.03)
Match: 4.04 Rating: 4.02
01/12/2025 D1 Adult 40+
4.0
SDNC 4.0 RPTC(2:2)/ Yeem
So California		 W SDNC 4.0 RBS&T(2:2)/ Ramsayer
So California
Michael Donahue (3.85) 6-2
6-3		 Rick Sauer (3.90)
Jim Valenzuela (3.73)
Match: 4.13 Rating: 4.03
01/11/2025 D1 Mixed 18+
8.0
SDNC 8.0 UCRC/ Ishihara
So California		 W SDNC 8.0 La Valle/ Dunn
So California
Desiree Seager (3.70) 6-0
6-1		 Monica Berenter (3.65)
Seth Mullen (3.91)
Match: 4.36 Rating: 4.08
11/17/2024 D3 Adult Other
4.5
SDNC 4.5 RPTC/ Ishihara
So California		 L SDNC 4.5 LSF/ Boone
So California
Dieter Steinmetz (4.12) 6-4
6-2		 Alex Barnett (4.27)
James Koontz (4.13)
Match: 3.95 Rating: 3.99
11/16/2024 D1 Mixed Other
9.0
SDNC HT UCRC/ Hotta
So California		 L SDNC HT RSFTC/ Tumini
So California
Robyn K F Leong (4.30) 6-3
6-0		 Prentiss Van Den Berg (4.31)
Keane Hindle (4.45)
Match: 3.89 Rating: 3.99
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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