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.
JPN
A Kobayashi
Japan · Men's doubles and mixed doubles · 2009 to 2019
- 10
- matches
- 50%
- won
- 0
- senior titles
- 0
- finals
1,486Men's doubles
last rated 2019
last rated 2019
Highest 1,503. Mixed doubles: 1,485.
5/10won of the last
10 matches
10 matches
- L
- L
- L
- W
- L
- L
- W
- W
- W
- W
Latest: lost to S Hoshino / Y Nishikawa, Akita Masters 2019, round of 32. Newest on the left.
Season by season
Matches played and won, year by year.
- Played
- Won
- A title that year
'09
'11
'13
'15
'17
'19
Show the numbers
| Year | Played | Won | Titles |
|---|---|---|---|
| 2019 | 1 | 0 | 0 |
| 2012 | 3 | 1 | 0 |
| 2009 | 6 | 4 | 0 |
Recent matches
The last 10 matches.
Scores read from A Kobayashi's side.
Akita Masters 2019Men's doubles, with K Miyajima
Round of 32
S Hoshino / Y Nishikawa
18–21 21–19 14–21
Lost
Japan Open 2012Mixed doubles, with Megumi Yokoyama
Round of 64
Maneepong Jongjit / Savitree Amitrapai
21–18 13–21 19–21
Lost
Japan Open 2012Men's doubles, with S Hoshino
Round of 64
Phillip Chew / Sattawat Pongnairat
21–10 21–15
Won
World Junior Championships 2009Men's doubles, with S Hoshino
Quarter-final
Angga Pratama / Yohanes Rendy Sugiarto
15–21 14–21
Lost
World Junior Championships 2009Mixed doubles, with Naoko Fukuman
Round of 16
Liu Peixuan / Xia Huan
14–21 7–21
Lost
World Junior Championships 2009Men's doubles, with S Hoshino
Round of 16
M Middleton / Toby Penty
21–13 21–15
Won
World Junior Championships 2009Mixed doubles, with Naoko Fukuman
Round of 32
Koh JY / Jessica Tan
18–21 21–19 21–16
Won
World Junior Championships 2009Men's doubles, with S Hoshino
Round of 32
Rasmus Fladberg / Kim Astrup
21–19 22–20
Won
World Junior Championships 2009Mixed doubles, with Naoko Fukuman
Round of 64
Chan DL / Leung KY
21–14 21–13
Won
Partners and rivals
Who with, and who against.
Head to head counts every draw match between them, in any event.
Partners
- S HoshinoMen's doubles · 2009 to 20123–2
- Naoko FukumanMixed doubles · 20092–1
- K MiyajimaMen's doubles · 20190–1
- Megumi YokoyamaMixed doubles · 20120–1
Rivals
- S HoshinoJapan · last met 20190–1
- Y NishikawaJapan · last met 20190–1
- Naoki KawamaeJapan · last met 20120–1
- Shōji SatōJapan · last met 20120–1
- Maneepong JongjitThailand · last met 20120–1
- Savitree AmitrapaiThailand · last met 20120–1
- Phillip ChewUnited States · last met 20121–0
- Sattawat PongnairatUnited States · last met 20121–0