Japan F4 qualifying
April 5-11, 2010

Singles
Seeds: (cut: none)
1. Yasutaka Uchiyama
2. Akito Higa
3. Jun Ito
4. Takuto Niki
5. Ryota Hisamatsu
6. Shu Saito
7. Takahiro Ittogi
8. Shunrou Takeshima
9. Adirek Khundarnpinitvon
10. Ken Onoda
11. Kazuya Tamura
12. Fumiaki Kita
13. Shinta Fujii

First Round
(1)Yasutaka Uchiyama (JPN) bye
Kazuma Nishio (JPN) d. Michael Barnfather (GBR) 6-0 6-0
Genki Hosoya (JPN) d. Masaharu Tsuchiya (JPN) 6-0 6-0
Shingo Moriguchi (JPN) d. David Barclay (AUS) 6-3 6-1
(2)Akito Higa (JPN) d. Yuto Takeguti (JPN) 6-1 6-4
Tomohiro Shinokawa (JPN) d. Takekazu Longhi (JPN) 6-3 6-0
Yujii Shioda (JPN) d. Ryouhei Takahasi (JPN) 6-2 6-7(5) 6-0
Gengo Kikuchi (JPN) d. Seiji Itou (JPN) 6-0 6-0
(3)Jun Ito (JPN) d. Kong Pop Lertchai (THA) 6-0 6-3
(WC)Yuichi Hasegawa (JPN) d. Hiroshi Yano (JPN) 6-0 6-3
Tadayuki Longhi (JPN) d. Daiki Nagakubo (JPN) 6-0 6-2
Yasuo Miyazaki (JPN) d. (WC)Keisuke Numajiri (JPN) 6-0 6-1
(4)Takuto Niki (JPN) d. Osamu Morishima (JPN) 6-1 6-0
Keita Koyama (JPN) d. Masaki Sasai (JPN) 6-1 6-2
Daichi Kato (JPN) d. (WC)Kenichi Sakakibara (JPN) 6-4 2-6 6-4
Yugo Inoue (JPN) d. (13)Shinta Fujii (JPN) 6-4 6-4
(5)Ryota Hisamatsu (JPN) d. (WC)Wataru Mitsui (JPN) 6-3 6-0
Daigo Sakurai (JPN) d. Kazunari Kato (JPN) 6-0 6-0
Riki Ihara (JPN) d. Takeshi Furuta (JPN) 6-1 6-1
(12)Fumiaki Kita (JPN) d. Hiroyasu Sato (JPN) 6-2 7-6(2)
(6)Shu Saito (JPN) d. (WC)Yuichi Ichikawa (JPN) 7-5 6-1
Thomas Tomczak (USA) d. (WC)Shogo Fujita (JPN) 6-3 6-4
Ryota Doi (JPN) d. Ikki Amaki (JPN) 6-1 6-2
(11)Kazuya Tamura (JPN) d. Akinori Uchiumi (JPN) 7-6(3) 6-1
Xander Spong (NED) d. (7)Takahiro Ittogi (JPN) 6-4 6-4
(WC)Kenya Takenaka (JPN) d. Natasith Luesantia (THA) 6-3 6-4
Kosuke Naruse (JPN) d. Kazuhito Mizutani (JPN) 6-0 6-0
(10)Ken Onoda (JPN) d. Norimasa Hayashi (JPN) 6-4 6-2
(8)Shunrou Takeshima (JPN) d. Musashi Hoshino (JPN) 3-6 7-6(3) 6-2
Kotaro Isobe (JPN) d. Jin Tanaka (JPN) 6-2 6-1
Koki Matsunaga (JPN) d. (WC)Wittawat Pingmoung (THA) 6-3 6-3
Hasier Pastor (ESP) d. (9)Adirek Khundarnpinitvon (THA) 5-2 ret.

Second Round
(1)Yasutaka Uchiyama (JPN) d. Kazuma Nishio (JPN) 6-4 6-2
Genki Hosoya (JPN) d. Shingo Moriguchi (JPN) 6-0 6-3
(2)Akito Higa (JPN) d. Tomohiro Shinokawa (JPN) 6-3 6-4
Yujii Shioda (JPN) d. Gengo Kikuchi (JPN) 6-4 2-6 6-4
(3)Jun Ito (JPN) d. (WC)Yuichi Hasegawa (JPN) 6-3 6-4
Yasuo Miyazaki (JPN) d. Tadayuki Longhi (JPN) 6-3 3-0 ret.
Keita Koyama (JPN) d. (4)Takuto Niki (JPN) 6-4 2-6 6-4
Yugo Inoue (JPN) d. Daichi Kato (JPN) 6-3 6-3
(5)Ryota Hisamatsu (JPN) d. Daigo Sakurai (JPN) 6-3 6-1
Riki Ihara (JPN) d. (12)Fumiaki Kita (JPN) 4-3 ret.
(6)Shu Saito (JPN) d. Thomas Tomczak (USA) 6-1 6-1
Ryota Doi (JPN) d. (11)Kazuya Tamura (JPN) 6-3 6-4
Xander Spong (NED) d. (WC)Kenya Takenaka (JPN) 6-4 6-3
Kosuke Naruse (JPN) d. (10)Ken Onoda (JPN) 7-6(3) 6-2
(8)Shunrou Takeshima (JPN) d. Kotaro Isobe (JPN) 6-2 7-5
Koki Matsunaga (JPN) d. Hasier Pastor (ESP) 6-0 6-3

Qualifying Round
(1)Yasutaka Uchiyama (JPN) d. Genki Hosoya (JPN) 6-3 6-0
(2)Akito Higa (JPN) d. Yujii Shioda (JPN) 7-6(3) 6-2
(3)Jun Ito (JPN) d. Yasuo Miyazaki (JPN) 6-0 6-2
Yugo Inoue (JPN) d. Keita Koyama (JPN) 6-2 6-2
(5)Ryota Hisamatsu (JPN) d. Riki Ihara (JPN) 6-4 6-1
Ryota Doi (JPN) d. (6)Shu Saito (JPN) 6-4 6-3
Kosuke Naruse (JPN) d. Xander Spong (NED) 4-6 6-0 6-4
Koki Matsunaga (JPN) d. (8)Shunrou Takeshima (JPN) 6-4 6-3