# 2011 Australian Open Grand Prix Gold

The 2011 Australian Open Grand Prix Gold was a badminton tournament which took place at the Melbourne Sports and Aquatic Centre in Melbourne, Australia on 5–10 April 2011 and had a total purse of $120,000. This is for the first time Australian Open was rated as a Grand Prix Gold event, where before in 2009–2010 were a Grand Prix events.

## Men's singles
### Seeds

* Boonsak Ponsana (quarterfinals)
* Nguyễn Tiến Minh (quarterfinals)
* Hu Yun (third round)
* Alamsyah Yunus (withdrew)
* Kazushi Yamada (third round)
* Sho Sasaki (champion)
* Brice Leverdez (third round)
* Wong Choong Hann (final)
* Tommy Sugiarto (semifinals)
* Muhammad Hafiz Hashim (third round)
* Wong Wing Ki (third round)
* Sony Dwi Kuncoro (withdrew)
* Arvind Bhat (third round)
* Mathieu Lo Ying Ping (third round)
* Chan Yan Kit (semifinals)
* R. M. V. Gurusaidutt (first round)

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Boonsak Ponsana | 19 | 21 | 9 | | | | | | | | | | |
| 9 | Tommy Sugiarto | 21 | 19 | 21 | | | | | | | | | | |
| 9 | Tommy Sugiarto | 21 | 19 | 21 | 9 | Tommy Sugiarto | 16 | 19 | | | | | | |
| | | | | | 8 | Wong Choong Hann | 21 | 21 | | | | | | |
| | Takuma Ueda | 11 | 12 | | 8 | Wong Choong Hann | 21 | 21 | | | | | | |
| 8 | Wong Choong Hann | 21 | 21 | | | | | | | | | | | |
| 8 | Wong Choong Hann | 21 | 21 | | | | | | | 8 | Wong Choong Hann | 11 | 21 | 19 |
| | | | | | | | | | | 6 | Sho Sasaki | 21 | 12 | 21 |
| 15 | Chan Yan Kit | 21 | 21 | | | | | | | | | | | | 6 | Sho Sasaki | 21 | 12 | 21 |
| | Pisit Poodchalat | 12 | 10 | | | | | | | | | | | |
| | Pisit Poodchalat | 12 | 10 | | 15 | Chan Yan Kit | 21 | 16 | 11 | | | | | |
| | | | | | 6 | Sho Sasaki | 13 | 21 | 21 | | | | | |
| 6 | Sho Sasaki | 21 | 7 | 21 | 6 | Sho Sasaki | 13 | 21 | 21 | | | | | |
| 2 | Nguyễn Tiến Minh | 19 | 21 | 18 | | | | | | | | | | |

### Top half
#### Section 1

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round |
| 1 | Boonsak Ponsana | 21 | 22 | 21 | | | | | | | | |
| | Lin Yu-hsien | 15 | 24 | 9 | | | | | | | | |
| | Lin Yu-hsien | 15 | 24 | 9 | 1 | Boonsak Ponsana | 21 | 21 | | | | |
| | | | | | | Yuhan Tan | 9 | 7 | | | | |
| | Sattawat Pongnairat | 12 | 8 | | | Yuhan Tan | 9 | 7 | | | | |
| | Yuhan Tan | 21 | 21 | | | | | | | | | |
| | Yuhan Tan | 21 | 21 | | | | | | 1 | Boonsak Ponsana | 21 | 21 |
| | | | | | | | | | 13 | Arvind Bhat | 18 | 14 |
| 13 | Arvind Bhat | 21 | 21 | | | | | | | | | | 13 | Arvind Bhat | 18 | 14 |
| | Nicholas Jinadasa | 19 | 14 | | | | | | | | | |
| | Nicholas Jinadasa | 19 | 14 | | 13 | Arvind Bhat | 21 | 21 | | | | |
| | | | | | | Kaveh Mehrabi | 14 | 16 | | | | |
| | Jeff Tho | 24 | 21 | 7 | | Kaveh Mehrabi | 14 | 16 | | | | |
| | Kaveh Mehrabi | 26 | 19 | 21 | | | | | | | | |

#### Section 2

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round |
| 5 | Kazushi Yamada | 21 | 21 | | | | | | | | |
| Q | Kaizar Bobby Alexander | 12 | 8 | | | | | | | | |
| Q | Kaizar Bobby Alexander | 12 | 8 | 5 | Kazushi Yamada | 21 | 21 | | | | |
| | | | | | Daniel Paiola | 14 | 3 | | | | |
| | Luke Chong | 17 | 13 | | Daniel Paiola | 14 | 3 | | | | |
| | Daniel Paiola | 21 | 21 | | | | | | | | |
| | Daniel Paiola | 21 | 21 | | | | | 5 | Kazushi Yamada | 12 | 10 |
| | | | | | | | | 9 | Tommy Sugiarto | 21 | 21 |
| 9 | Tommy Sugiarto | 21 | 21 | | | | | | | | | 9 | Tommy Sugiarto | 21 | 21 |
| | Aditya Elango | 12 | 5 | | | | | | | | |
| | Aditya Elango | 12 | 5 | 9 | Tommy Sugiarto | 21 | 21 | | | | |
| | | | | Q | Jan Fröhlich | 7 | 8 | | | | |
| | James Paterson | 10 | 9 | Q | Jan Fröhlich | 7 | 8 | | | | |
| Q | Jan Fröhlich | 21 | 21 | | | | | | | | |

#### Section 3

| First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round |
| 3 | Hu Yun | 21 | 22 | | | | | | | | | | |
| | Shesar Hiren Rhustavito | 18 | 20 | | | | | | | | | | |
| | Shesar Hiren Rhustavito | 18 | 20 | | 3 | Hu Yun | 23 | 19 | 21 | | | | |
| | | | | | | Chen Yuekun | 21 | 21 | 15 | | | | |
| | Rodrigo Pacheco | | | | | Chen Yuekun | 21 | 21 | 15 | | | | |
| | Chen Yuekun | w | / | o | | | | | | | | | |
| | Chen Yuekun | w | / | o | | | | | | 3 | Hu Yun | 14 | 20 |
| | | | | | | | | | | | Takuma Ueda | 21 | 22 |
| PFQ | Wesley Caulkett | 9 | 12 | | | | | | | | | | | Takuma Ueda | 21 | 22 |
| | Takuma Ueda | 21 | 21 | | | | | | | | | | |
| | Takuma Ueda | 21 | 21 | | | Takuma Ueda | 21 | 21 | | | | | |
| | | | | | | Hsu Jen-hao | 19 | 19 | | | | | |
| | Hsu Jen-hao | 21 | 21 | | | Hsu Jen-hao | 19 | 19 | | | | | |
| | Joe Wu | 14 | 11 | | | | | | | | | | |

#### Section 4

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round |
| 8 | Wong Choong Hann | 21 | 21 | | | | | | | | | |
| Q | Ashwant Gobinathan | 6 | 10 | | | | | | | | | |
| Q | Ashwant Gobinathan | 6 | 10 | 8 | Wong Choong Hann | 21 | 21 | | | | | |
| | | | | | Yuichi Ikeda | 19 | 16 | | | | | |
| | Yuichi Ikeda | 21 | 21 | | Yuichi Ikeda | 19 | 16 | | | | | |
| Q | Hung Pham | 6 | 16 | | | | | | | | | |
| Q | Hung Pham | 6 | 16 | | | | | 8 | Wong Choong Hann | 13 | 21 | 21 |
| | | | | | | | | 14 | Mathieu Lo Ying Ping | 21 | 18 | 14 |
| 14 | Mathieu Lo Ying Ping | 21 | 21 | | | | | | | | | | 14 | Mathieu Lo Ying Ping | 21 | 18 | 14 |
| | Adnan Fauzi | 15 | 12 | | | | | | | | | |
| | Adnan Fauzi | 15 | 12 | 14 | Mathieu Lo Ying Ping | 21 | 21 | | | | | |
| | | | | | Yara Azad | 10 | 12 | | | | | |
| | Yara Azad | 21 | 21 | | Yara Azad | 10 | 12 | | | | | |
| | James Eunson | 18 | 15 | | | | | | | | | |

### Bottom half
#### Section 1

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round |
| | Chad Whitehead | 12 | 11 | | | | | | | | | |
| | Hock Lai Lee | 21 | 21 | | | | | | | | | |
| | Hock Lai Lee | 21 | 21 | | Hock Lai Lee | 18 | 21 | 7 | | | | |
| | | | | 15 | Chan Yan Kit | 21 | 19 | 21 | | | | |
| Q | Eshan Naqvi | 7 | 8 | 15 | Chan Yan Kit | 21 | 19 | 21 | | | | |
| 15 | Chan Yan Kit | 21 | 21 | | | | | | | | | |
| 15 | Chan Yan Kit | 21 | 21 | | | | | | 15 | Chan Yan Kit | 21 | 21 |
| | | | | | | | | | 7 | Brice Leverdez | 13 | 9 |
| Q | Hu-Wen Chew | 19 | 11 | | | | | | | | | | 7 | Brice Leverdez | 13 | 9 |
| | Michael Fowke | 21 | 21 | | | | | | | | | |
| | Michael Fowke | 21 | 21 | | Michael Fowke | 12 | 8 | | | | | |
| | | | | 7 | Brice Leverdez | 21 | 21 | | | | | |
| | Anthony Dumartheray | 13 | 12 | 7 | Brice Leverdez | 21 | 21 | | | | | |
| 7 | Brice Leverdez | 21 | 21 | | | | | | | | | |

#### Section 2

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round |
| | Marius Myhre | 19 | 17 | | | | | | | | | | |
| | Chiang Jiann Shiarng | 21 | 21 | | | | | | | | | | |
| | Chiang Jiann Shiarng | 21 | 21 | | Chiang Jiann Shiarng | 21 | 13 | 13 | | | | | |
| | | | | 11 | Wong Wing Ki | 19 | 21 | 21 | | | | | |
| | Nelson Oon | 15 | 13 | 11 | Wong Wing Ki | 19 | 21 | 21 | | | | | |
| 11 | Wong Wing Ki | 21 | 21 | | | | | | | | | | |
| 11 | Wong Wing Ki | 21 | 21 | | | | | | 11 | Wong Wing Ki | 21 | 17 | 19 |
| | | | | | | | | | | Pisit Poodchalat | 14 | 21 | 21 |
| | Hugo Arthuso | 8 | 12 | | | | | | | | | | | Pisit Poodchalat | 14 | 21 | 21 |
| | Pisit Poodchalat | 21 | 21 | | | | | | | | | | |
| | Pisit Poodchalat | 21 | 21 | | Pisit Poodchalat | 121 | 21 | | | | | | |
| | | | | | Alton Chew | 13 | 11 | | | | | | |
| | Alton Chew | 21 | 21 | | Alton Chew | 13 | 11 | | | | | | |
| PFQ | Zdeněk Sváta | 17 | 19 | | | | | | | | | | |

#### Section 3

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round |
| | Bjorn Seguin | 17 | 14 | | | | | | | | | |
| | Andre Kurniawan Tedjono | 21 | 21 | | | | | | | | | |
| | Andre Kurniawan Tedjono | 21 | 21 | | Andre Kurniawan Tedjono | 15 | 21 | 9 | | | | |
| | | | | 10 | Muhammad Hafiz Hashim | 21 | 17 | 21 | | | | |
| | Kazuteru Kozai | 19 | 13 | 10 | Muhammad Hafiz Hashim | 21 | 17 | 21 | | | | |
| 10 | Muhammad Hafiz Hashim | 21 | 21 | | | | | | | | | |
| 10 | Muhammad Hafiz Hashim | 21 | 21 | | | | | | 10 | Muhammad Hafiz Hashim | 17 | 11 |
| | | | | | | | | | 6 | Sho Sasaki | 21 | 21 |
| | Lino Muñoz | 21 | 21 | | | | | | | | | | 6 | Sho Sasaki | 21 | 21 |
| | Alistair Casey | 18 | 13 | | | | | | | | | |
| | Alistair Casey | 18 | 13 | | Lino Muñoz | 11 | 12 | | | | | |
| | | | | 6 | Sho Sasaki | 21 | 21 | | | | | |
| Q | Michael Fariman | 7 | 9 | 6 | Sho Sasaki | 21 | 21 | | | | | |
| 6 | Sho Sasaki | 21 | 21 | | | | | | | | | |

#### Section 4

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round |
| | Soroush Eskandari | 9 | 19 | | | | | | | | | | |
| | Zulfadli Zulkiffli | 21 | 21 | | | | | | | | | | |
| | Zulfadli Zulkiffli | 21 | 21 | | Zulfadli Zulkiffli | 16 | 21 | 12$^r$ | | | | | |
| | | | | | Lü Yi | 21 | 12 | 14 | | | | | |
| | Lü Yi | 21 | 21 | | Lü Yi | 21 | 12 | 14 | | | | | |
| 16 | R. M. V. Gurusaidutt | 11 | 18 | | | | | | | | | | |
| 16 | R. M. V. Gurusaidutt | 11 | 18 | | | | | | | Lü Yi | 21 | 16 | 10 |
| | | | | | | | | | 2 | Nguyễn Tiến Minh | 16 | 21 | 21 |
| | Lin Yu-jui | 21 | 21 | | | | | | | | | | | 2 | Nguyễn Tiến Minh | 16 | 21 | 21 |
| | Daniel Gouw | 13 | 8 | | | | | | | | | | |
| | Daniel Gouw | 13 | 8 | | Lin Yu-jui | 8 | 16 | | | | | | |
| | | | | 2 | Nguyễn Tiến Minh | 21 | 21 | | | | | | |
| | Yogendran Khrishnan | 16 | 13 | 2 | Nguyễn Tiến Minh | 21 | 21 | | | | | | |
| 2 | Nguyễn Tiến Minh | 21 | 21 | | | | | | | | | | |

## Women's singles
### Seeds

* Liu Xin (champion)
* Yip Pui Yin (first round)
* Salakjit Ponsana (first round)
* Tai Tzu-ying (quarterfinals)
* Ai Goto (first round)
* Porntip Buranaprasertsuk (finals)
* Ratchanok Intanon (semifinals)
* Sayaka Sato (quarterfinals)

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Liu Xin | 15 | 22 | 21 | | | | |
| 7 | Ratchanok Intanon | 21 | 20 | 12 | | | | |
| 7 | Ratchanok Intanon | 21 | 20 | 12 | 1 | Liu Xin | 21 | 21 |
| | | | | | 6 | Porntip Buranaprasertsuk | 14 | 9 |
| 6 | Porntip Buranaprasertsuk | 14 | 22 | 21 | 6 | Porntip Buranaprasertsuk | 14 | 9 |
| PFQ | Wang Lin | 21 | 20 | 17 | | | | |

## Men's doubles
### Seeds

* Hirokatsu Hashimoto / Noriyasu Hirata (semifinals)
* Hendra Aprida Gunawan / Alvent Yulianto (semifinals)
* Gan Teik Chai / Tan Bin Shen (quarterfinals)
* Naoki Kawamae / Shoji Sato (final)
* Hiroyuki Endo / Kenichi Hayakawa (champion)
* Songphon Anugritayawon / Sudket Prapakamol (second round)
* Yoshiteru Hirobe / Kenta Kazuno (first round)
* Chen Chung-jen / Lin Yen-jui (quarterfinals)

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Hirokatsu Hashimoto Noriyasu Hirata | 19 | 21 | 7 | | | | |
| 5 | Hiroyuki Endo Kenichi Hayakawa | 21 | 18 | 21 | | | | |
| 5 | Hiroyuki Endo Kenichi Hayakawa | 21 | 18 | 21 | 5 | Hiroyuki Endo Kenichi Hayakawa | 21 | 21 |
| | | | | | 4 | Naoki Kawamae Shoji Sato | 17 | 18 |
| 4 | Naoki Kawamae Shoji Sato | 14 | 21 | 21 | 4 | Naoki Kawamae Shoji Sato | 17 | 18 |
| 2 | Alvent Yulianto Chandra Hendra Aprida Gunawan | 21 | 8 | 12 | | | | |

## Women's doubles
### Seeds

* Mizuki Fujii / Reika Kakiiwa (quarterfinals)
* Duanganong Aroonkesorn / Kunchala Voravichitchaikul (second round)
* Shinta Mulia Sari / Yao Lei (quarterfinals)
* Shizuka Matsuo / Mami Naito (champion)

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Chin Eei Hui Wong Pei Tty | 25 | 21 | | | | |
| | Poon Lok Yan Tse Ying Suet | 23 | 18 | | | | |
| | Poon Lok Yan Tse Ying Suet | 23 | 18 | | Chin Eei Hui Wong Pei Tty | 18 | 11 |
| | | | | 4 | Shizuka Matsuo Mami Naito | 21 | 21 |
| 4 | Shizuka Matsuo Mami Naito | 21 | 21 | 4 | Shizuka Matsuo Mami Naito | 21 | 21 |
| | Ou Dongni Xiong Rui | 19 | 14 | | | | |

## Mixed doubles
### Seeds

* Sudket Prapakamol / Saralee Thoungthongkam (semifinals)
* Songphon Anugritayawon / Kunchala Voravichitchaikul (champion)
* Shintaro Ikeda / Reiko Shiota (semifinals)
* Wong Wai Hong / Chau Hoi Wah (quarterfinals)
* Hirokatsu Hashimoto / Mizuki Fujii (final)
* Nova Widianto / Vita Marissa (quarterfinals)
* Raj Veeran / Renuga Veeran (quarterfinals)
* Hock Lai Lee / Priscilla Lun (second round)

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Sudket Prapakamol Saralee Thoungthongkam | 21 | 19 | 12 | | | | |
| 5 | Hirokatsu Hashimoto Mizuki Fujii | 10 | 21 | 21 | | | | |
| 5 | Hirokatsu Hashimoto Mizuki Fujii | 10 | 21 | 21 | 5 | Hirokatsu Hashimoto Mizuki Fujii | 15 | 9 |
| | | | | | 2 | Songphon Anugritayawon Kunchala Voravichitchaikul | 21 | 21 |
| 3 | Shintaro Ikeda Reiko Shiota | 12 | 20 | | 2 | Songphon Anugritayawon Kunchala Voravichitchaikul | 21 | 21 |
| 2 | Songphon Anugritayawon Kunchala Voravichitchaikul | 21 | 22 | | | | | |