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Y Oku

Japan · Men's doubles, mixed doubles, women's doubles and women's singles · 2004 to 2026

19
matches
53%
won
0
senior titles
0
finals
World ranking

Not on a world ranking list we hold: the full lists are kept from September 2026 and the weekly top lists from 2013, so a player outside them has none.

Our ratingHow it works
1,558Men's doubles
rated 9 Aug 2026

130th of 781 rated in the last 12 months. Highest 1,558. Mixed doubles: 1,484. Women's doubles: 1,502.

Form
6/10won of the last
10 matches
  1. L
  2. W
  3. L
  4. W
  5. L
  6. W
  7. W
  8. L
  9. W
  10. W

Latest: lost to H Kawabe / K Matsukawa, Korea Masters 2026, quarter-final. Newest on the left.

Season by season

Matches played and won, year by year.

  • Played
  • Won
  • A title that year
'04
'06
'08
'10
'12
'14
'16
'18
'20
'22
'24
'26
Show the numbers
YearPlayedWonTitles
20261170
2007210
2006100
2004520
Recent matches

The last 19 matches.

Scores read from Y Oku's side.

Korea Masters 2026Men's doubles, with Shuntaro Mezaki Quarter-final H Kawabe / K Matsukawa 15–21 16–21 Lost
Round of 16 Lin YF / Yang JY 27–25 21–15 Won
Korea Masters 2026Mixed doubles, with Riko Kiyose Round of 32 Jin S-i / Lee So-hee 14–21 16–21 Lost
Korea Masters 2026Men's doubles, with Shuntaro Mezaki Round of 32 Kang G-h / Kim M-g 21–11 21–11 Won
Canada Open 2026Men's doubles, with Shuntaro Mezaki Quarter-final Julien Maio / William Villeger 13–21 21–15 17–21 Lost
Round of 16 Chou Y-h / Wu H-y 21–15 21–23 21–16 Won
Round of 32 Chiu S-h / Lin Bing-wei 21–16 25–23 Won
US Open 2026Men's doubles, with Shuntaro Mezaki Round of 32 Lai P-y / Tsai F-c 21–11 15–21 22–24 Lost
Baoji China Masters 2026Men's doubles, with Shuntaro Mezaki Quarter-final H Kawabe / K Matsukawa 15–21 21–14 21–17 Won
Round of 16 Lin YF / Yang JY 21–17 21–17 Won
Round of 32 Alfian Eko Prasetya / P Ramadhan 21–17 21–11 Won
Japan Open 2007Women's doubles, with Megumi Taruno Round of 16 A Akao / T Matsuda 5–21 11–21 Lost
Round of 32 Haw Chiou Hwee / Lim Pek Siah Won
World Junior Championships 2006Women's singles Round of 128 Han Li 8–21 16–21 Lost
World Junior Championships 2004Mixed doubles, with K Oshima Round of 32 Lee Sheng-mu / Cheng Shao-chieh 5–15 3–15 Lost
World Junior Championships 2004Women's singles Round of 32 Amelia Alicia Anscelly 9–11 6–11 Lost
World Junior Championships 2004Mixed doubles, with K Oshima Round of 64 Yeh C-h / Chang Y-l 15–13 12–15 15–13 Won
World Junior Championships 2004Women's singles Round of 64 Y Kartika 11–6 11–6 Won
World Junior Championships 2004Women's doubles, with M Sekiya Round of 64 Aparna Balan / Saina Nehwal 8–15 4–15 Lost
Partners and rivals

Who with, and who against.

Head to head counts every draw match between them, in any event.

Partners

Rivals