| Match History (2021) | View Advanced Player Stats |
|
Justin deMattos (Torrance, CA)
Male |
4.5 C 12/31/2024 |
| Estimated Dynamic Rating |
4.3051 12/10/2024 |
| Projected Year End Rating |
------ ---------- |
4.5 Rating Meter
4.0001 - 4.5000
4.0001 - 4.5000
| 2021 Overall Season [Doubles] |
| League/Level | Total Matches |
Win | Loss | Tie | WPct | Total Sets |
Win | Loss | WPct | Total Games |
Win | Loss | WPct | Defaults |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult 18+ 4.5 | 1 | 1 | 0 | 0 | 100.0 | 2 | 2 | 0 | 100.0 | 17 | 12 | 5 | 70.6 | 0 |
| Adult Other 4.5 | 11 | 10 | 1 | 0 | 90.9 | 26 | 21 | 5 | 80.8 | 199 | 129 | 70 | 64.8 | 0 |
| Mixed 18+ 9.0 | 6 | 4 | 2 | 0 | 66.7 | 14 | 9 | 5 | 64.3 | 122 | 67 | 55 | 54.9 | 0 |
| Mixed Other 0.0 | 2 | 1 | 1 | 0 | 50.0 | 6 | 3 | 3 | 50.0 | 36 | 19 | 17 | 52.8 | 0 |
| Total | 20 | 16 | 4 | 0 | 80.0 | 48 | 35 | 13 | 72.9 | 374 | 227 | 147 | 60.7 | 0 |
| 12/11/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-WestEnd/RogerKodani So California |
| Daniel Hying (4.33) | 6-0 6-0 |
Tom Hindman (3.84) Bruce Logan (4.03) |
| Match: 4.44 | Rating: 4.39 |
| 12/04/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-IndpendencePark/RafaelHerrera So California |
| Daniel Hying (4.33) | 6-2 6-1 |
Alan Devall (4.01) Ismael Soria (4.02) |
| Match: 4.37 | Rating: 4.37 |
| 11/14/2021 | D2 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
L | BC-Lakewood/KazKataoka So California |
| Ryan Lee (4.31) | 6-3 3-6 1-0 |
Takahito Koyama (4.44) Toshiaki Kamino (4.27) |
| Match: 4.39 | Rating: 4.40 |
| 11/13/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-MCC/EricSmith So California |
| Ryan Lee (4.26) | 7-6 6-4 |
Andrew Radden (4.32) Scott Brown (4.37) |
| Match: 4.47 | Rating: 4.43 |
| 10/30/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-Lakewood/KazKataoka So California |
| Ryan Lee (4.35) | 2-6 7-6 1-0 |
Takahito Koyama (4.39) Toshiaki Kamino (4.28) |
| Match: 4.31 | Rating: 4.38 |
| 10/23/2021 | D2 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-Kramer/JoePiccirillo So California |
| Daniel Hying (4.38) | 7-5 6-1 |
Marcus Lokier (4.20) Jason Frame (4.21) |
| Match: 4.46 | Rating: 4.41 |
| 10/16/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-WestEnd/RogerKodani So California |
| Ryan Lee (4.27) | 6-2 6-2 |
Philip Evatt (4.42) Matthew Willson (4.33) |
| Match: 4.70 | Rating: 4.45 |
| 10/02/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-IndpendencePark/RafaelHerrera So California |
| Daniel Hying (4.39) | 6-2 4-6 1-0 |
Rafael Herrera (4.14) Davis Kop (4.22) |
| Match: 4.26 | Rating: 4.33 |
| 09/25/2021 | D2 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-WestEnd/TienTrinh So California |
| Rex Sheng (3.94) | 6-1 6-0 |
David Chun (3.84) Ali Mashhadi (3.74) |
| Match: 4.44 | Rating: 4.38 |
| 09/18/2021 | D1 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-MCC/EricSmith So California |
| Ryan Lee (4.16) | 6-3 6-7 1-0 |
Tim Crawmer (4.55) Nick Griffith (4.38) |
| Match: 4.60 | Rating: 4.39 |
| 09/11/2021 | D2 | Adult Other 4.5 |
|---|---|---|
| BC-LLW-WestEnd/KeithOshiro So California |
W | BC-PalosVerdesTC/JeromeHaig So California |
| Brian Nguyen (-----) | 6-4 6-2 |
Jeffrey Tan (-----) Roland Rietz (3.77) |
| Match: S | Rating: 4.30 |
| 08/29/2021 | D1 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
L | BC-LLW-ElSegundo/JarrodQuan So California |
| Nin Newquist (4.29) | 5-7 6-4 1-0 |
Barry Dylewski (4.63) Shannon Theisen (4.57) |
| Match: S | Rating: 4.19 |
| 08/28/2021 | D3 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
W | BC-PVTC/KarenKredel So California |
| Judy Schultz (4.10) | 6-2 7-5 |
Andrew Chekian (4.35) Anne Hirata (4.00) |
| Match: 4.37 | Rating: 4.19 |
| 08/22/2021 | D1 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
W | BC-WestEnd/TienTrinh So California |
| Nin Newquist (4.29) | 6-3 6-3 |
Diego Leporini (3.91) Shannon Pereira (4.49) |
| Match: S | Rating: 4.15 |
| 08/08/2021 | D3 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
W | BC-AltaVista/ChikaTaylor So California |
| Nin Newquist (4.24) | 6-2 6-3 |
HAYATO NISHIGUCHI (4.02) TRAM LY (4.25) |
| Match: 4.30 | Rating: 4.15 |
| 08/01/2021 | D1 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
L | BC-WestEnd/JasonHanakeawe So California |
| Judy Schultz (4.15) | 6-1 7-6 |
Keith Oshiro (4.26) Regina Esperanza (4.35) |
| Match: 4.11 | Rating: 4.09 |
| Manhattan Beach Open ($$$) - Open Division | ||
| 07/23/2021 | 16 | Tournament MOPd |
| L | ||
| Ryan Lee (4.33) | 6-3 7-5 |
Troy LIst (-----) Max Elins (-----) |
| Match: S | Rating: ----- | |
| 07/17/2021 | D2 | Mixed 18+ 9.0 |
|---|---|---|
| BC-SouthEnd/NaomiLee So California |
W | BC-WestEnd/TienTrinh So California |
| Judy Schultz (4.03) | 7-6 4-6 1-0 |
Aki Eguchi (4.07) Tae Gim (4.24) |
| Match: 4.17 | Rating: 4.10 |
| Roy Emerson Adoption Guild Tennis Classic | ||
| 05/28/2021 | 16 | Tournament NM4.5d |
| L | ||
| Will A Ross (4.02) | 4-6 6-1 1-0 |
Chuck Ives (-----) Christian Spaulding (-----) |
| Match: S | Rating: ----- | |
| Roy Emerson Adoption Guild Tennis Classic | ||
| 05/27/2021 | 32 | Tournament NM4.5d |
| W | ||
| Will A Ross (4.02) | 6-3 7-6 |
Henry Nguyen (4.30) Dang Vu (-----) |
| Match: S | Rating: ----- | |
| 05/21/2021 | D1 | Mixed Other |
|---|---|---|
| BC-LLW-WestEnd/GaleDunleavy So California |
L | BC-PVTC/IanForsyth So California |
| Chie Kawauchi (4.27) | 6-4 0-6 1-0 |
Charles Lee (4.02) CHIKA TAYLOR (4.25) |
| Match: 4.11 | Rating: 4.07 |
| 04/10/2021 | D3 | Adult 18+ 4.5 |
|---|---|---|
| BC-WestEnd/KeithOshiro So California |
W | BC-MCC/EricSmith So California |
| Alejo Ramos-Ariansen (4.24) | 6-3 6-2 |
Eric Knudson (4.09) James Zimmerman (-----) |
| Match: S | Rating: 4.01 |
| 04/09/2021 | D1 | Mixed Other |
|---|---|---|
| BC-LLW-WestEnd/GaleDunleavy So California |
W | BC-PVTC/IanForsyth So California |
| Nin Newquist (4.22) | 6-4 2-6 1-0 |
CHIKA TAYLOR (4.27) Joshua Chou (4.16) |
| Match: 4.08 | Rating: 4.04 |
| 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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