Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2022) View Advanced Player Stats
Derek Clotfelter (Rancho Santa Fe, CA)
Male 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.4813
5/23/2024
Projected Year End Rating ------
----------
3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2022 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 3 0 3 0 0.0 6 0 6 0.0 60 23 37 38.3 0
Adult 40+ 3.5 7 3 4 0 42.9 17 7 10 41.2 130 56 74 43.1 0
Adult Other 3.5 7 4 3 0 57.1 15 8 7 53.3 126 61 65 48.4 0
Mixed 18+ 7.0 6 1 5 0 16.7 12 2 10 16.7 102 34 68 33.3 0
Mixed 40+ 7.0 5 3 2 0 60.0 12 7 5 58.3 90 46 44 51.1 0
Total 28 11 17 0 39.3 62 24 38 38.7 508 220 288 43.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/04/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D2 Daniel Morilak
(3.28) 		NOREN HONDA
(3.66)
Grigorii Evlantev
(3.39) 		L 6-3
6-3		 3.41 3.42
11/13/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D1 Murray Reicher
(3.14) 		Brian Zender
(3.22)
Agustin Lebron
(3.47) 		L 6-1
6-4		 3.25 3.39
11/06/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D1 Murray Reicher
(3.13) 		Saeid Baha
(3.10)
Evan Rhodes
(3.34) 		W 6-3
7-6		 3.46 3.43
10/30/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D1 Murray Reicher
(3.02) 		Jonathan Walmsley
(3.40)
Oded Shezifi
(3.05) 		W 6-4
6-2		 3.52 3.30
10/16/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D2 Emmanuel De Seroux
(3.25) 		Sam Madamba
(3.20)
Paul Russell
(3.47) 		L 6-2
6-3		 3.09 3.23
10/02/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D1 Brian Hays
(3.41) 		adam mezo
(3.27)
Aman Makkar
(3.22) 		W 6-4
1-6
1-0		 3.13 3.25
09/11/2022 Adult Other
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 D2 Daniel Morilak
(3.26) 		Phillip Schneider
(3.09)
Mark Noet
(3.15) 		W 6-1
6-3		 3.42 3.30
08/27/2022 Mixed 40+
7.0		 SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 D3 Marisel Bastias
(2.80) 		Michelle Atkinson
(3.37)
Bruce Danielson
(3.13) 		L 6-2
6-3		 3.27 3.31
08/20/2022 Mixed 40+
7.0		 SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 D1 Juliana Guillory
(2.90) 		Robert Picunko
(2.99)
Nancy Picunko
(3.37) 		W 6-4
3-6
1-0		 3.40 3.32
08/06/2022 Mixed 40+
7.0		 SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 D1 LJ Nicholas
(2.94) 		Scott Quintal
(3.31)
Patricia Newman
(3.31) 		W 6-4
6-4		 3.58 3.34
07/23/2022 Mixed 40+
7.0		 SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 D3 Ann Ortel
(2.76) 		Carlie Headapohl
(3.28)
Mark Lindsey
(3.03) 		L 6-1
3-6
1-0		 3.31 3.28
06/19/2022 Adult 18+
3.5		 SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 D1 Matias Clotfelter Bastias
(3.36) 		Jim Filicia
(3.22)
Michael Vaughan
(3.46) 		L 6-4
6-3		 S 3.29
06/18/2022 Mixed 40+
7.0		 SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 D3 Ann Ortel
(2.78) 		Steven Semolik
(-----)
Adriene Leung
(-----) 		W 6-1
6-3		 S 3.26
05/29/2022 Adult 18+
3.5		 SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 D1 Matias Clotfelter Bastias
(3.67) 		Gregory Rianhard
(3.35)
adam mezo
(3.28) 		L 6-4
6-3		 S 3.29
05/08/2022 Adult 18+
3.5		 SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 D1 Matias Clotfelter Bastias
(-----) 		NOREN HONDA
(3.62)
Jeffrey Felix
(3.52) 		L 6-3
7-6		 S 3.29
03/22/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.85) 		Tricia Bothmer
(3.24)
Tom Vu
(3.50) 		L 6-1
6-0		 3.16 3.26
03/06/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D2 Rick Lansley
(3.28) 		NOREN HONDA
(3.60)
Grigorii Evlantev
(3.12) 		L 7-5
6-2		 3.14 3.20
03/05/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.81) 		Michelle Atkinson
(3.20)
Bruce Danielson
(3.01) 		W 6-3
7-5		 3.46 3.30
02/27/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D1 Christopher Baker
(3.18) 		Stas Tara
(3.12)
Mauricio Castro
(3.17) 		L 4-6
6-1
1-0		 3.04 3.18
02/26/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.81) 		Rita Murphy
(3.15)
Steve Leffler
(3.37) 		L 6-2
6-3		 3.24 3.26
02/13/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D3 Jeffrey Schiffman
(3.00) 		Aman Makkar
(-----)
Tom Yip
(3.01) 		W 7-5
6-2		 S 3.21
02/12/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.81) 		Kenneth Lee
(3.46)
Charis Ioannides
(2.84) 		L 6-2
6-1		 S 3.26
02/06/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D2 Timothy Fox
(3.16) 		Christopher Nero
(3.14)
Steve Carmichael
(3.18) 		L 6-4
6-3		 S 3.21
02/05/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.81) 		Heather Lemon
(2.89)
Jamie Lemon
(3.02) 		L 6-4
6-3		 S 3.26
01/30/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D1 Kristoffer Lund
(2.88) 		Saeid Baha
(3.17)
Ray Gliner
(3.30) 		W 3-6
6-4
1-0		 S 3.21
01/23/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D1 Murray Reicher
(3.05) 		Jim Filicia
(3.15)
Michael Vaughan
(3.43) 		L 6-3
6-2		 3.14 3.21
01/16/2022 Mixed 18+
7.0		 SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 D1 Marisel Bastias
(2.81) 		Angela Verdenacci
(3.74)
Andre Freund
(3.09) 		L 6-2
6-3		 S 3.26
01/16/2022 Adult 40+
3.5		 SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 D1 Christopher Baker
(3.18) 		Jim Chen
(3.31)
Paul Russell
(3.47) 		W 6-3
0-6
1-0		 3.32 3.23
12/04/2022 D2 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 L SDNC LLW 3.5 Kit Carson Park/ Warren
So California
Daniel Morilak (3.28) 6-3
6-3		 NOREN HONDA (3.66)
Grigorii Evlantev (3.39)
Match: 3.41 Rating: 3.42
11/13/2022 D1 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 L SDNC 3.5 La Costa Resort/ Murphy
So California
Murray Reicher (3.14) 6-1
6-4		 Brian Zender (3.22)
Agustin Lebron (3.47)
Match: 3.25 Rating: 3.39
11/06/2022 D1 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 W SDNC 3.5 Santaluz Club / Baha
So California
Murray Reicher (3.13) 6-3
7-6		 Saeid Baha (3.10)
Evan Rhodes (3.34)
Match: 3.46 Rating: 3.43
10/30/2022 D1 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 W SDNC 3.5 La Costa Resort/ Bothmer
So California
Murray Reicher (3.02) 6-4
6-2		 Jonathan Walmsley (3.40)
Oded Shezifi (3.05)
Match: 3.52 Rating: 3.30
10/16/2022 D2 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 L SDNC 3.5 RPTC/ Maheswarappa
So California
Emmanuel De Seroux (3.25) 6-2
6-3		 Sam Madamba (3.20)
Paul Russell (3.47)
Match: 3.09 Rating: 3.23
10/02/2022 D1 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 W SDNC 3.5 Fairbanks Ranch CC/ Upasani
So California
Brian Hays (3.41) 6-4
1-6
1-0		 adam mezo (3.27)
Aman Makkar (3.22)
Match: 3.13 Rating: 3.25
09/11/2022 D2 Adult Other
3.5
SDNC 3.5 Rancho Santa Fe TC/ Lindsey
So California		 W SDNC 3.5 Morgan Run/ Chachisvilis
So California
Daniel Morilak (3.26) 6-1
6-3		 Phillip Schneider (3.09)
Mark Noet (3.15)
Match: 3.42 Rating: 3.30
08/27/2022 D3 Mixed 40+
7.0
SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 L SDNC 7.0 Morgan Run/ Brick
So California
Marisel Bastias (2.80) 6-2
6-3		 Michelle Atkinson (3.37)
Bruce Danielson (3.13)
Match: 3.27 Rating: 3.31
08/20/2022 D1 Mixed 40+
7.0
SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 W SDNC 7.0 Fairbanks Ranch CC/ Picunko
So California
Juliana Guillory (2.90) 6-4
3-6
1-0		 Robert Picunko (2.99)
Nancy Picunko (3.37)
Match: 3.40 Rating: 3.32
08/06/2022 D1 Mixed 40+
7.0
SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 W SDNC 7.0 TC of Vista/ Leung
So California
LJ Nicholas (2.94) 6-4
6-4		 Scott Quintal (3.31)
Patricia Newman (3.31)
Match: 3.58 Rating: 3.34
07/23/2022 D3 Mixed 40+
7.0
SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 L SDNC LLW 7.0 Rancho Santa Fe TC/ Lindsey
So California
Ann Ortel (2.76) 6-1
3-6
1-0		 Carlie Headapohl (3.28)
Mark Lindsey (3.03)
Match: 3.31 Rating: 3.28
06/19/2022 D1 Adult 18+
3.5
SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 L SDNC 3.5 Morgan Run/ Filicia (3:2)
So California
Matias Clotfelter Bastias (3.36) 6-4
6-3		 Jim Filicia (3.22)
Michael Vaughan (3.46)
Match: S Rating: 3.29
06/18/2022 D3 Mixed 40+
7.0
SDNC 7.0 Rancho Santa Fe TC/ Bastias
So California		 W SDNC 7.0 TC of Vista/ Leung
So California
Ann Ortel (2.78) 6-1
6-3		 Steven Semolik (-----)
Adriene Leung (-----)
Match: S Rating: 3.26
05/29/2022 D1 Adult 18+
3.5
SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 L SDNC 3.5 Fairbanks Ranch/ Upasani (2:3)
So California
Matias Clotfelter Bastias (3.67) 6-4
6-3		 Gregory Rianhard (3.35)
adam mezo (3.28)
Match: S Rating: 3.29
05/08/2022 D1 Adult 18+
3.5
SDNC 3.5 RSF TC/ Clotfelter (3:2)
So California		 L SDNC LLW 3.5 Kit Carson Park/ Warren
So California
Matias Clotfelter Bastias (-----) 6-3
7-6		 NOREN HONDA (3.62)
Jeffrey Felix (3.52)
Match: S Rating: 3.29
03/22/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 L SDNC 7.0 Rancho Santa Fe TC/ Lindsey
So California
Marisel Bastias (2.85) 6-1
6-0		 Tricia Bothmer (3.24)
Tom Vu (3.50)
Match: 3.16 Rating: 3.26
03/06/2022 D2 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 L SDNC LLW 3.5 Kit Carson Park/ Warren
So California
Rick Lansley (3.28) 7-5
6-2		 NOREN HONDA (3.60)
Grigorii Evlantev (3.12)
Match: 3.14 Rating: 3.20
03/05/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 W SDNC 7.0 Morgan Run/ Lemon
So California
Marisel Bastias (2.81) 6-3
7-5		 Michelle Atkinson (3.20)
Bruce Danielson (3.01)
Match: 3.46 Rating: 3.30
02/27/2022 D1 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 L SDNC 3.5 Tennis Club of Vista/ Tara (3:1)
So California
Christopher Baker (3.18) 4-6
6-1
1-0		 Stas Tara (3.12)
Mauricio Castro (3.17)
Match: 3.04 Rating: 3.18
02/26/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 L SDNC 7.0 RPTC/ Taillac
So California
Marisel Bastias (2.81) 6-2
6-3		 Rita Murphy (3.15)
Steve Leffler (3.37)
Match: 3.24 Rating: 3.26
02/13/2022 D3 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 W SDNC WC 3.5 Fairbanks Ranch CC/ Upasani (2:2)
So California
Jeffrey Schiffman (3.00) 7-5
6-2		 Aman Makkar (-----)
Tom Yip (3.01)
Match: S Rating: 3.21
02/12/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 L SDNC LLW 7.0 RBS&T/ Madden
So California
Marisel Bastias (2.81) 6-2
6-1		 Kenneth Lee (3.46)
Charis Ioannides (2.84)
Match: S Rating: 3.26
02/06/2022 D2 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 L SDNC 3.5 Omni La Costa/ Murphy (3:1)
So California
Timothy Fox (3.16) 6-4
6-3		 Christopher Nero (3.14)
Steve Carmichael (3.18)
Match: S Rating: 3.21
02/05/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 L SDNC 7.0 Morgan Run/ Lemon
So California
Marisel Bastias (2.81) 6-4
6-3		 Heather Lemon (2.89)
Jamie Lemon (3.02)
Match: S Rating: 3.26
01/30/2022 D1 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 W SDNC 3.5 Santaluz Club/ Baha (2:2)
So California
Kristoffer Lund (2.88) 3-6
6-4
1-0		 Saeid Baha (3.17)
Ray Gliner (3.30)
Match: S Rating: 3.21
01/23/2022 D1 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 L SDNC 3.5 Morgan Run/ Filicia (2:2)
So California
Murray Reicher (3.05) 6-3
6-2		 Jim Filicia (3.15)
Michael Vaughan (3.43)
Match: 3.14 Rating: 3.21
01/16/2022 D1 Mixed 18+
7.0
SDNC 7.0 Rancho Santa Fe/ Bastias
So California		 L SDNC 7.0 Fairbanks Ranch CC/ Picunko
So California
Marisel Bastias (2.81) 6-2
6-3		 Angela Verdenacci (3.74)
Andre Freund (3.09)
Match: S Rating: 3.26
01/16/2022 D1 Adult 40+
3.5
SDNC 3.5 Rancho Santa Fe TC/ Clotfelter (2:2)
So California		 W SDNC 3.5 RPTC/ Maheswarappa (2/2)
So California
Christopher Baker (3.18) 6-3
0-6
1-0		 Jim Chen (3.31)
Paul Russell (3.47)
Match: 3.32 Rating: 3.23
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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