Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Robert Duong (VACAVILLE, CA)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.7800
4/30/2025
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2019 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 12 9 3 0 75.0 27 18 9 66.7 220 129 91 58.6 0
Adult 18-39 4.0 5 3 2 0 60.0 5 3 2 60.0 42 21 21 50.0 0
Mixed 18+ 8.0 2 0 2 0 0.0 4 0 4 0.0 36 12 24 33.3 0
Total 19 12 7 0 63.2 36 21 15 58.3 298 162 136 54.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/21/2019 Tournament
NX4.0d		 STL December One Night Mixed RR Lydia Sanders
(3.43) 		Aidan Miller
(4.11)
Haina Shin
(3.70) 		W 4-2
4-3		 4.07 -----
12/21/2019 Tournament
NX4.0d		 STL December One Night Mixed RR Lydia Sanders
(3.43) 		Shashi Pathak
(2.89)
Trevor Rees
(3.61) 		L 1-4
4-0
1-0		 3.19 -----
12/21/2019 Tournament
NX4.0d		 STL December One Night Mixed RR Lydia Sanders
(3.43) 		Scott Stinson
(3.63)
Florence Streeter
(3.52) 		L 4-1
4-2		 3.35 -----
08/17/2019 Tournament
MX8.0d		 STL August One Night Tri-Level Mixed RR Lydia Sanders
(3.36) 		Connie Weiss
(3.74)
Carl Weiss
(3.88) 		L 4-1
4-2		 3.50 -----
08/17/2019 Tournament
MX8.0d		 STL August One Night Tri-Level Mixed RR Lydia Sanders
(3.36) 		Ashley Ragnow
(4.14)
Stefan Nosic
(3.94) 		L 4-3
4-3		 3.91 -----
07/31/2019 Mixed 18+
8.0		 Lahm
Missouri Valley		 D3 Grace Chi
(3.77) 		jay lyons
(3.63)
Regan Hannigan
(3.46) 		L 6-3
6-4		 3.17 3.28
07/12/2019 Adult 18-39
4.0		 Ace Force
Missouri Valley		 D1X Julianne Baer
(-----) 		Stefan DuBois
(-----)
Meg Gregory
(3.86) 		W 6-3 S -----
07/12/2019 Adult 18-39
4.0		 Ace Force
Missouri Valley		 S1M Stefan DuBois
(-----) 		W 6-4 S -----
06/19/2019 Mixed 18+
8.0		 Lahm
Missouri Valley		 D3 Liz Lahm
(3.76) 		Margaret Cimarolli
(3.46)
Scott Hornung
(3.86) 		L 6-1
6-4		 3.21 3.32
06/14/2019 Adult 18-39
4.0		 Ace Force
Missouri Valley		 D1M Rajit Sikka
(-----) 		Ryan Weber
(4.05)
Raymond Yang
(-----) 		L 6-1 S -----
06/09/2019 Adult 18+
3.5
Districts		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D2 Eric Elverhoy
(3.41) 		John Heimburger
(3.30)
Jeremy Rohrbach
(3.48) 		L 3-6
6-4
1-0		 3.35 3.33
06/09/2019 Adult 18+
3.5
Districts		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Robert McKendry
(3.39) 		keith allison
(3.54)
Joel Wiesehan
(3.49) 		W 7-6
2-6
1-0		 3.42 3.34
06/08/2019 Adult 18+
3.5
Districts		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Robert McKendry
(3.40) 		Venky Shanmugam
(3.17)
Vembakkam Sampath
(3.36) 		W 6-4
6-4		 3.33 3.30
06/07/2019 Adult 18-39
4.0		 Ace Force
Missouri Valley		 D2X Alicia Eicher
(-----) 		Aaron Levin
(3.65)
Elena Breer
(-----) 		L 6-2 S -----
06/07/2019 Adult 18-39
4.0		 Ace Force
Missouri Valley		 D1M Dani Amir
(-----) 		Aaron Levin
(3.65)
Jarred Nolasco
(-----) 		W 6-2 S -----
04/27/2019 Tournament
Combo MX8.0d		 STL April One Night Mixed RR Lydia Sanders
(3.36) 		Brenda Eller
(3.43)
Billy Niemann
(3.77) 		W 9-8 3.63 -----
04/27/2019 Tournament
Combo MX8.0d		 STL April One Night Mixed RR Lydia Sanders
(3.36) 		Rebecca Welton
(3.34)
Charles Welton
(4.05) 		L 8-5 3.57 -----
04/27/2019 Tournament
Combo MX8.0d		 STL April One Night Mixed RR Lydia Sanders
(3.36) 		Rachel Doveikis
(3.83)
Sam Doveikis
(3.79) 		L 8-1 3.34 -----
04/14/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Robert McKendry
(3.36) 		jacob boling
(3.46)
Clayton Matthews
(3.12) 		W 6-4
6-6		 S 3.34
03/24/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D2 Eric Elverhoy
(3.35) 		Matthew Mertens
(3.09)
Timothy Reinwald
(3.38) 		W 6-3
6-1		 3.50 3.34
03/17/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Tod Robberson
(3.52) 		William Johnson
(3.18)
David Fox
(3.34) 		W 7-5
7-5		 3.20 3.29
03/03/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Tod Robberson
(3.52) 		Thomas Crabtree
(3.04)
Joel Wiesehan
(3.42) 		L 6-3
6-3		 2.95 3.24
02/24/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D3 Pete Hasse
(3.19) 		David Cormak
(3.20)
David Steidtmann
(2.90) 		W 6-3
6-1		 3.43 3.34
02/23/2019 Tournament
Combo MX7.5d		 STL February One Night Mixed and 4.0M C-F Lydia Sanders
(3.36) 		Stanislav Anguelov
(-----)
Kelly Lauman
(3.23) 		W Def ----- -----
02/17/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Tod Robberson
(3.44) 		Timothy O'Bryan
(3.45)
Bijan Zahiri
(3.19) 		W 6-2
6-0		 3.61 3.38
02/03/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Nicholas Argyres
(3.51) 		Venky Shanmugam
(3.04)
Kun Zhang
(3.58) 		L 6-2
6-4		 3.02 3.25
01/13/2019 Adult 18+
3.5		 STL-WC2-Bohn/Woods (S)
Missouri Valley		 D1 Robert McKendry
(3.44) 		Dana Best
(3.27)
Dan Luebbert
(3.09) 		W 4-6
6-0
1-0		 3.29 3.31
01/06/2019 Adult 18+
3.5		 Bohn/Woods (F)
Missouri Valley		 D2 Robert McKendry
(3.42) 		Jeffrey Risley
(3.11)
David Steidtmann
(2.88) 		W 6-0
6-1		 3.38 3.33
STL December One Night Mixed
12/21/2019 RR Tournament
NX4.0d
W
Lydia Sanders (3.43) 4-2
4-3		 Aidan Miller (4.11)
Haina Shin (3.70)
Match: 4.07 Rating: -----
STL December One Night Mixed
12/21/2019 RR Tournament
NX4.0d
L
Lydia Sanders (3.43) 1-4
4-0
1-0		 Shashi Pathak (2.89)
Trevor Rees (3.61)
Match: 3.19 Rating: -----
STL December One Night Mixed
12/21/2019 RR Tournament
NX4.0d
L
Lydia Sanders (3.43) 4-1
4-2		 Scott Stinson (3.63)
Florence Streeter (3.52)
Match: 3.35 Rating: -----
STL August One Night Tri-Level Mixed
08/17/2019 RR Tournament
MX8.0d
L
Lydia Sanders (3.36) 4-1
4-2		 Connie Weiss (3.74)
Carl Weiss (3.88)
Match: 3.50 Rating: -----
STL August One Night Tri-Level Mixed
08/17/2019 RR Tournament
MX8.0d
L
Lydia Sanders (3.36) 4-3
4-3		 Ashley Ragnow (4.14)
Stefan Nosic (3.94)
Match: 3.91 Rating: -----
07/31/2019 D3 Mixed 18+
8.0
Lahm
Missouri Valley		 L Fry
Missouri Valley
Grace Chi (3.77) 6-3
6-4		 jay lyons (3.63)
Regan Hannigan (3.46)
Match: 3.17 Rating: 3.28
07/12/2019 D1X Adult 18-39
4.0
Ace Force
Missouri Valley		 W Hawkeye for the Blind Guy
Missouri Valley
Julianne Baer (-----) 6-3 Stefan DuBois (-----)
Meg Gregory (3.86)
Match: S Rating: -----
07/12/2019 S1M Adult 18-39
4.0
Ace Force
Missouri Valley		 W Hawkeye for the Blind Guy
Missouri Valley
6-4 Stefan DuBois (-----)
Match: S Rating: -----
06/19/2019 D3 Mixed 18+
8.0
Lahm
Missouri Valley		 L STL/Waters/Shaw
Missouri Valley
Liz Lahm (3.76) 6-1
6-4		 Margaret Cimarolli (3.46)
Scott Hornung (3.86)
Match: 3.21 Rating: 3.32
06/14/2019 D1M Adult 18-39
4.0
Ace Force
Missouri Valley		 L Hawkeye for the Blind Guy
Missouri Valley
Rajit Sikka (-----) 6-1 Ryan Weber (4.05)
Raymond Yang (-----)
Match: S Rating: -----
06/09/2019 D2 Adult 18+
3.5
Districts
STL-WC2-Bohn/Woods (S)
Missouri Valley		 L STL-WC-Rhoads/Gregerson (S)
Missouri Valley
Eric Elverhoy (3.41) 3-6
6-4
1-0		 John Heimburger (3.30)
Jeremy Rohrbach (3.48)
Match: 3.35 Rating: 3.33
06/09/2019 D1 Adult 18+
3.5
Districts
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W STL-Brinkmeyer/Rog (S)
Missouri Valley
Robert McKendry (3.39) 7-6
2-6
1-0		 keith allison (3.54)
Joel Wiesehan (3.49)
Match: 3.42 Rating: 3.34
06/08/2019 D1 Adult 18+
3.5
Districts
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Stanley/Sprowls (F)
Missouri Valley
Robert McKendry (3.40) 6-4
6-4		 Venky Shanmugam (3.17)
Vembakkam Sampath (3.36)
Match: 3.33 Rating: 3.30
06/07/2019 D2X Adult 18-39
4.0
Ace Force
Missouri Valley		 L A Series of Unforced Errors
Missouri Valley
Alicia Eicher (-----) 6-2 Aaron Levin (3.65)
Elena Breer (-----)
Match: S Rating: -----
06/07/2019 D1M Adult 18-39
4.0
Ace Force
Missouri Valley		 W A Series of Unforced Errors
Missouri Valley
Dani Amir (-----) 6-2 Aaron Levin (3.65)
Jarred Nolasco (-----)
Match: S Rating: -----
STL April One Night Mixed
04/27/2019 RR Tournament
Combo MX8.0d
W
Lydia Sanders (3.36) 9-8 Brenda Eller (3.43)
Billy Niemann (3.77)
Match: 3.63 Rating: -----
STL April One Night Mixed
04/27/2019 RR Tournament
Combo MX8.0d
L
Lydia Sanders (3.36) 8-5 Rebecca Welton (3.34)
Charles Welton (4.05)
Match: 3.57 Rating: -----
STL April One Night Mixed
04/27/2019 RR Tournament
Combo MX8.0d
L
Lydia Sanders (3.36) 8-1 Rachel Doveikis (3.83)
Sam Doveikis (3.79)
Match: 3.34 Rating: -----
04/14/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt B: Masengill (S)
Missouri Valley
Robert McKendry (3.36) 6-4
6-6		 jacob boling (3.46)
Clayton Matthews (3.12)
Match: S Rating: 3.34
03/24/2019 D2 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt A: Spangler (S)
Missouri Valley
Eric Elverhoy (3.35) 6-3
6-1		 Matthew Mertens (3.09)
Timothy Reinwald (3.38)
Match: 3.50 Rating: 3.34
03/17/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt B: Eimer/Ercal (S)
Missouri Valley
Tod Robberson (3.52) 7-5
7-5		 William Johnson (3.18)
David Fox (3.34)
Match: 3.20 Rating: 3.29
03/03/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 L STL-Brinkmeyer/Rog (S)
Missouri Valley
Tod Robberson (3.52) 6-3
6-3		 Thomas Crabtree (3.04)
Joel Wiesehan (3.42)
Match: 2.95 Rating: 3.24
02/24/2019 D3 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt A: Yuan/McWard (S)
Missouri Valley
Pete Hasse (3.19) 6-3
6-1		 David Cormak (3.20)
David Steidtmann (2.90)
Match: 3.43 Rating: 3.34
STL February One Night Mixed and 4.0M
02/23/2019 C-F Tournament
Combo MX7.5d
W
Lydia Sanders (3.36) Def Stanislav Anguelov (-----)
Kelly Lauman (3.23)
Match: ----- Rating: -----
02/17/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt A: Spangler (S)
Missouri Valley
Tod Robberson (3.44) 6-2
6-0		 Timothy O'Bryan (3.45)
Bijan Zahiri (3.19)
Match: 3.61 Rating: 3.38
02/03/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 L Flt A: Stanley/Sprowls (S)
Missouri Valley
Nicholas Argyres (3.51) 6-2
6-4		 Venky Shanmugam (3.04)
Kun Zhang (3.58)
Match: 3.02 Rating: 3.25
01/13/2019 D1 Adult 18+
3.5
STL-WC2-Bohn/Woods (S)
Missouri Valley		 W Flt A: Best (S)
Missouri Valley
Robert McKendry (3.44) 4-6
6-0
1-0		 Dana Best (3.27)
Dan Luebbert (3.09)
Match: 3.29 Rating: 3.31
01/06/2019 D2 Adult 18+
3.5
Bohn/Woods (F)
Missouri Valley		 W Yuan/McWard (F)
Missouri Valley
Robert McKendry (3.42) 6-0
6-1		 Jeffrey Risley (3.11)
David Steidtmann (2.88)
Match: 3.38 Rating: 3.33
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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