Career Statistics
R. Yamaoka has officiated 63 matches, issuing 104 yellow and 1 red card (1.65 yellows per match). Home teams win 42.9% of the time when this referee is in charge.
63
Matches
104
1.65/game
Yellow Cards
1
0.02/game
Red Cards
4
0.06/game
Penalties
127
2.02/game
Goals
27
42.9%
Home Wins
21
33.3%
Away Wins
15
23.8%
Draws
Result Distribution
Match outcome breakdown when R. Yamaoka officiates: 42.9% home wins, 23.8% draws, 33.3% away wins. A higher home win percentage may indicate a tendency that bettors can factor into match predictions.
Matches per Year
R. Yamaoka's workload across 5 years (2020–2025). Tracking how many matches a referee handles per year helps assess experience and current activity level.
League Level Breakdown
Statistics by League
R. Yamaoka has officiated across 4 competitions, with the most appearances in J3 League (31 matches). Compare card and goal averages across leagues to see if the referee's style varies by competition level.
| Competition | Matches | Yellow | Red | Y/M | Goals | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
J3 League· Japan31Matches 59Y/M 1.9Goals 59 | J3 League· Japan | 31 | 59 | 1.9 | 59 | 1.9 | 1 | 16 | 7 | 8 | |
J2 League· Japan29Matches 411Y/M 1.4Goals 61 | J2 League· Japan | 29 | 41 | 1 | 1.4 | 61 | 2.1 | 2 | 8 | 14 | 7 |
J-League Cup· Japan2Matches 4Y/M 2.0Goals 6 | J-League Cup· Japan | 2 | 4 | 2.0 | 6 | 3.0 | 1 | 2 | 0 | 0 | |
Emperor Cup· Japan1Matches Y/M 0.0Goals 1 | Emperor Cup· Japan | 1 | 0.0 | 1 | 1.0 | 0 | 1 | 0 | 0 |
Recent Matches
The last 50 matches officiated by R. Yamaoka. Review recent cards, goals, and results to spot current trends in this referee's decision-making.
| Date | Competition | Home | Score | Away | Yellow | Red | |
|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | J3 League | 1–1 | 1 | ||||
| Apr 26, 2025 | J3 League | 1–2 | 2 | ||||
| Apr 12, 2025 | J3 League | 1–0 | 3 | ||||
| Mar 30, 2025 | J3 League | 1–1 | 4 | ||||
Mar 23, 2025J3 League | Mar 23, 2025 | J3 League | 2–0 | ||||
| Mar 8, 2025 | J3 League | 5–2 | 2 | ||||
| Feb 23, 2025 | J3 League | 0–0 | 3 | ||||
| Nov 24, 2024 | J3 League | 0–1 | 1 | ||||
| Nov 16, 2024 | J3 League | 1–1 | 4 | ||||
| Nov 2, 2024 | J3 League | 2–2 | 1 | ||||
Oct 12, 2024J3 League | Oct 12, 2024 | J3 League | 3–1 | ||||
Sep 15, 2024J3 League | Sep 15, 2024 | J3 League | 2–0 | ||||
| Sep 6, 2024 | J3 League | 0–1 | 1 | ||||
| May 6, 2024 | J3 League | 4–1 | 5 | ||||
| Nov 26, 2023 | J3 League | 0–0 | 1 | ||||
| Nov 11, 2023 | J3 League | 1–0 | 3 | ||||
| Oct 29, 2023 | J3 League | 0–2 | 1 | ||||
| Oct 1, 2023 | J3 League | 0–1 | 3 | ||||
| Sep 24, 2023 | J3 League | 0–0 | 2 | ||||
| Sep 2, 2023 | J3 League | 1–1 | 1 | ||||
| Aug 19, 2023 | J3 League | 1–0 | 1 | ||||
| Aug 5, 2023 | J3 League | 1–0 | 1 | ||||
Jul 22, 2023J2 League | Jul 22, 2023 | J2 League | 1–1 | ||||
| Jul 8, 2023 | J3 League | 4–0 | 2 | ||||
| Jun 24, 2023 | J3 League | 0–1 | 2 | ||||
Jun 11, 2023J2 League | Jun 11, 2023 | J2 League | 0–1 | ||||
| Jun 3, 2023 | J3 League | 2–1 | 4 | ||||
| May 28, 2023 | J3 League | 1–0 | 1 | ||||
| May 3, 2023 | J3 League | 1–0 | 2 | ||||
| Apr 15, 2023 | J3 League | 2–0 | 2 | ||||
| Apr 2, 2023 | J3 League | 1–0 | 3 | ||||
| Mar 19, 2023 | J3 League | 0–1 | 2 | ||||
| Mar 5, 2023 | J3 League | 1–0 | 1 | ||||
| Oct 16, 2021 | J2 League | 2–2 | 1 | ||||
Sep 26, 2021J2 League | Sep 26, 2021 | J2 League | 2–1 | ||||
| Sep 11, 2021 | J2 League | 2–0 | 1 | ||||
| Sep 4, 2021 | J2 League | 1–0 | 2 | ||||
| Aug 25, 2021 | J2 League | 0–1 | 1 | ||||
| Aug 9, 2021 | J2 League | 1–1 | 3 | ||||
| Jul 18, 2021 | J2 League | 1–0 | 2 | ||||
| Jul 11, 2021 | J2 League | 1–0 | 1 | ||||
Jun 9, 2021Emperor Cup | Jun 9, 2021 | Emperor Cup | 1–0 | ||||
| Jun 5, 2021 | J2 League | 2–2 | 2 | ||||
| May 30, 2021 | J2 League | 0–1 | 4 | ||||
| May 27, 2021 | J2 League | 0–1 | 2 | ||||
May 5, 2021J2 League | May 5, 2021 | J2 League | 0–0 | ||||
| Apr 21, 2021 | J2 League | 1–3 | 2 | ||||
| Apr 4, 2021 | J2 League | 0–1 | 2 | ||||
| Mar 27, 2021 | J-League Cup | 1–0 | 2 | ||||
Mar 14, 2021J2 League | Mar 14, 2021 | J2 League | 0–2 |