Japan F4
Tsukuba, Japan
April 5-11, 2010
Surface: Hard
Main Draw      : 32
Qualifying Draw: 64
$10,000

Singles
Seeds: (cut: Peerakit Siributwong - 1199)
1. Yuichi Ito
2. Hiroki Moriya
3. Kittiphong Wachiramanowong
4. Tasuku Iwami
5. Masato Hatanaka
6. Andrew Gregory
7. Peraklat Siriluethaiwattana
8. Joshua Crowe

First Round
(1)Yuichi Ito (JPN) d. (WC)Hiroyasu Ehara (JPN) 6-2 6-1
(WC)Jea-Moon Lee (KOR) d. (WC)Warut Korkiatthaworn (THA) 6-2 6-3
Peerakit Siributwong (THA) d. (q)Ryota Doi (JPN) 6-1 6-2
Yaoki Ishii (JPN) d. (8)Joshua Crowe (AUS) 7-6(7) 6-1
(4)Tasuku Iwami (JPN) d. Weerapat Doakmaiklee (THA) 6-1 3-6 6-2
Maciek Sykut (USA) d. (q)Koki Matsunaga (JPN) 2-6 7-5 7-5
(SE)Shuichi Sekiguchi (JPN) d. (q)Akito Higa (JPN) 6-3 6-1
Kirati Siributwong (THA) d. (6)Andrew Gregory (AUS) 6-3 6-4
(q)Kosuke Naruse (JPN) d. (5)Masato Hatanaka (JPN) 3-6 6-4 6-3
Arata Onozawa (JPN) d. Joss Espasandin (SUI) 6-2 6-1
Masatoshi Miyazaki (JPN) d. (WC)Yasuteru Ishii (JPN) 6-2 6-0
Bumpei Sato (JPN) d. (3)Kittiphong Wachiramanowong (THA) 6-4 7-6(4)
(q)Jun Ito (JPN) d. (7)Peraklat Siriluethaiwattana (THA) 6-3 2-6 6-4
(q)Yasutaka Uchiyama (JPN) d. Yuki Matsuo (JPN) 6-2 6-4
(q)Ryota Hisamatsu (JPN) d. Yusuke Watanuki (JPN) 6-3 6-3
(q)Yugo Inoue (JPN) d. (2)Hiroki Moriya (JPN) 6-4 7-6(4)

Second Round
(1)Yuichi Ito (JPN) d. (WC)Jea-Moon Lee (KOR) 6-2 3-6 6-0
Peerakit Siributwong (THA) d. Yaoki Ishii (JPN) 6-3 6-1
(4)Tasuku Iwami (JPN) d. Maciek Sykut (USA) 6-3 6-2
(SE)Shuichi Sekiguchi (JPN) d. Kirati Siributwong (THA) 6-2 6-1
Arata Onozawa (JPN) d. (q)Kosuke Naruse (JPN) 6-2 6-4
Bumpei Sato (JPN) d. Masatoshi Miyazaki (JPN) 5-2 ret.
(q)Yasutaka Uchiyama (JPN) d. (q)Jun Ito (JPN) 6-3 4-6 6-2
(q)Yugo Inoue (JPN) d. (q)Ryota Hisamatsu (JPN) 6-4 7-5

Quarterfinals
(1)Yuichi Ito (JPN) d. Peerakit Siributwong (THA) 6-2 6-4
(SE)Shuichi Sekiguchi (JPN) d. (4)Tasuku Iwami (JPN) 7-5 6-7(4) 7-6(4)
Arata Onozawa (JPN) d. Bumpei Sato (JPN) 6-1 6-4
(q)Yasutaka Uchiyama (JPN) d. (q)Yugo Inoue (JPN) 6-4 6-3

Semifinals
(SE)Shuichi Sekiguchi (JPN) d. (1)Yuichi Ito (JPN) 6-2 2-1 ret.
(q)Yasutaka Uchiyama (JPN) d. Arata Onozawa (JPN) 7-6(4) 6-0

Finals
(q)Yasutaka Uchiyama (JPN) d. (SE)Shuichi Sekiguchi (JPN) 7-5 6-1


Doubles
Seeds:
1. Tasuku Iwami/Hiroki Moriya
2. Bumpei Sato/Maciek Sykut
3. Weerapat Doakmaiklee/Kittiphong Wachiramanowong
4. Kirati Siributwong/Peerakit Siributwong

First Round
(1)Tasuku Iwami/Hiroki Moriya (JPN) d. Jun Ito/Arata Onozawa (JPN) 6-1 6-1
(WC)Daichi Kato/Wittawat Pingmoung (JPN/THA) d. Warut Korkiatthaworn/Peraklat Siriluethaiwattana (THA) 6-0 7-6(6)
(3)Weerapat Doakmaiklee/Kittiphong Wachiramanowong (THA) d. Joss Espasandin/Hiroyasu Sato (SUI/JPN) 6-2 6-2
Ryota Hisamatsu/Shunrou Takeshima (JPN) d. Masato Hatanaka/Akito Higa (JPN) 6-4 0-6 (10-7)
Fumiaki Kita/Takuto Niki (JPN) d. Shinta Fujii/Yuki Matsuo (JPN) 7-5 6-1
(4)Kirati Siributwong/Peerakit Siributwong (THA) d. Joshua Crowe/Andrew Gregory (AUS) 6-2 6-2
Yaoki Ishii/Yuichi Ito (JPN) d. (WC)Hiroyasu Ehara/Yasutaka Uchiyama (JPN) 6-4 6-3
(2)Bumpei Sato/Maciek Sykut (JPN/USA) d. (WC)Yasuteru Ishii/Kenya Takenaka (JPN) 6-1 6-4

Quarterfinals
(1)Tasuku Iwami/Hiroki Moriya (JPN) d. (WC)Daichi Kato/Wittawat Pingmoung (JPN/THA) 6-4 6-2
(3)Weerapat Doakmaiklee/Kittiphong Wachiramanowong (THA) d. Ryota Hisamatsu/Shunrou Takeshima (JPN) 6-2 7-6(3)
Fumiaki Kita/Takuto Niki (JPN) d. (4)Kirati Siributwong/Peerakit Siributwong (THA) 6-0 6-7(5) (12-10)
(2)Bumpei Sato/Maciek Sykut (JPN/USA) d. Yaoki Ishii/Yuichi Ito (JPN) 6-1 1-6 (10-6)

Semifinals
(1)Tasuku Iwami/Hiroki Moriya (JPN) d. (3)Weerapat Doakmaiklee/Kittiphong Wachiramanowong (THA) 6-3 7-6(5)
(2)Bumpei Sato/Maciek Sykut (JPN/USA) d. Fumiaki Kita/Takuto Niki (JPN) 6-4 6-7(5) (10-3)

Finals
(1)Tasuku Iwami/Hiroki Moriya (JPN) d. (2)Bumpei Sato/Maciek Sykut (JPN/USA) 6-4 6-2