Ryosuke Mizumachi

**Ryosuke Mizumachi** (born 10 September 1981) is a retired Japanese basketball player. He used to play for Akita Northern Happinets.

### Regular season

|-
| align="left" | 2005-06
| align="left" | Oita
|31||4||14||36.7%||25.0%||**76.9%**||1.4 ||1.4||0.5||0||2
|-
| align="left" | 2006-07
| align="left" | Oita
|22||7||12||43.6%||33.3%||0.0%||1.3 ||1.2||0.4||0||1.8
|-
| align="left" | 2007-08
| align="left" | Oita
|29||5||9||32.4%||0.0%||75.0%||1.2 ||0.9||0.3||0||1
|-
| align="left" | 2008-09
| align="left" | Niigata
|29||0||4||42.1%||11.1%||50.0%||0.7 ||0.2||0.3||**0.1**||0.7
|-
| align="left" | 2009-10
| align="left" | Niigata
|35||11||6||41.0%||**50.0%**||66.7%||0.8 ||0.6||0.4||0||1.2
|-
| align="left" | 2010-11
| align="left" | Akita
|50||**45**||**29**||33.2%||30.3%||59.2%||**3.1** ||**2.8**||**1.3**||0||**4.6**
|-
| align="left" | 2011-12
| align="left" | Akita
|50||11||18||42.9%||33.8%||51.7%||1.9 ||1.6||0.8||0||3.5
|-
| align="left" | 2012-13
| align="left" | Akita
|44||13||7||46.9%||28.6%||66.7%||1.0 ||0.9||0.6||0||1.3
|-
| align="left" | 2013-14
| align="left" | Akita
|41||0||6.0||45.5%||28.6%||42.9%||0.3||0.7||0.5||0||1.2
|-
| align="left" | 2014-15
| align="left" | Akita
|50||13||13.2||**47.1**||26.5||66.7||1.0||1.5||0.5||**0.1**||2.7
|-
|-
| align="left" | 2015-16
| align="left" | Akita
|**52**||32||16.2||41.7||28.3||52.6||1.8||2.0||0.8||**0.1**||2.9
|-
|-
|style="background-color:#FFCCCC" align="left" | 2016-17
| align="left" | Akita
|45||2||10.4||25.0||0||50.0||0.8||0.7||0.4||0||0.8
|-
|-
| align="left" | 2017-18
| align="left" | Akita
|48||8||8.4||37.8||22.2||55.6||0.8||0.6||0.4||0||1.4
|-
|- class="sortbottom"
! style="text-align:center;" colspan=2| Career
! 526||  ||  12.5|| 39.1||  27.9||  58.6|| 1.4|| 1.2|| 0.6|| 0.0||2.1

### Playoffs

|-
|style="text-align:left;"|2010-11
|style="text-align:left;"|Akita
| 2 ||   ||31.0  || .455 || .333 || .500 ||3.5 ||4.5 || 1.5|| 0.0 ||6.0
|-
|style="text-align:left;"|2011-12
|style="text-align:left;"|Akita
| 4 ||   ||14.5  || .500 || .800 || .000 ||1.0 ||1.3 || 0.5|| 0.0 ||3.0
|-
|style="text-align:left;"|2013-14
|style="text-align:left;"|Akita
| 3 || 0 ||4.00  || .667 || .000 || .000 ||1.0 ||0.33 || 0|| 0 ||1.33
|-
|style="text-align:left;"|2016-17
|style="text-align:left;"|Akita
| 1 || 0 ||  || .000 || .000 || .000 || 0 ||1.0 || 0|| 0 ||0
|-
|style="text-align:left;"|2017-18
|style="text-align:left;"|Akita
| 5 || 0 || 8.06 || .200 || .000 || 1.000 || 1.6 || 1.8 || 0.6 || 0 || 0.8
|-

## Infobox (basketball biography)

- **name**: Ryosuke Mizumachi
- **image**: Mizumachi ryosuke akita.jpg
- **caption**: Mizumachi in 2010
- **position**: Academy Development Director
- **height ft**: 6
- **height in**: 1
- **weight lb**: 183
- **league**: B.League
- **team**: Saga Ballooners
- **nationality**: Japanese
- **birth place**: Imari, Saga, Imari, Saga Prefecture
- **highschool**: Saganishi High School, Saganishi (Saga, Japan)
- **college**: Gakushuin University (2000–2004)
- **career start**: 2004
- **career end**: 2018
- **years1**: 2005–2008
- **team1**: Oita Heat Devils
- **years2**: 2008-2010
- **team2**: Niigata Albirex BB
- **years3**: 2010-2018
- **team3**: Akita Northern Happinets
- **cyears1**: 2018-2020
- **cteam1**: Akita Northern Happinets U15
- **cyears2**: 2020-present
- **cteam2**: Saga Ballooners U15