| Hua Hin 7 ITF | Round | Result | H | A | 
		
			| 04.12. |  | Garla / Sawan - Ma Y. / Okuno | R16 | 6-4, 6-3 | 1.96 | 1.74 | 
		
			| Hua Hin 6 ITF | Round | Result | H | A | 
		
			| 30.11. |  | Luang / Thamc - Okuno / Sutji | F | 6-4, 6-2 | 2.34 | 1.52 | 
		
			| 29.11. |  | Okuno / Sutji - Jang / Jitta | SF | 6-0, 6-1 | 1.11 | 5.65 | 
		
			| 28.11. |  | Okuno / Sutji - Hsieh / Ogata | QF | 2-6, 6-0, 10-4 | 1.12 | 5.49 | 
		
			| 26.11. |  | Okuno / Sutji - Tsang / Wang | R16 | 6-1, 6-1 | 1.12 | 5.31 | 
		
			| Norman ITF | Round | Result | H | A | 
		
			| 15.11. |  | Boren / Monte - Okuno / Lee G | QF | 6-2, 6-4 | 3.15 | 1.31 | 
		
			| 15.11. |  | Okuno / Lee G - Asgha / Koras | R16 | 6-3, 6-2 |  |  | 
		
			| Lubbock ITF | Round | Result | H | A | 
		
			| 20.09. |  | Broad / Podor - Okuno / Simmo | QF | 4-6, 6-1, 10-7 | 1.39 | 2.71 | 
		
			| 18.09. |  | Okuno / Simmo - Peet / Stoic | R16 | 6-3, 6-2 | 1.12 | 5.31 | 
		
			| Gimcheon 3 ITF | Round | Result | H | A | 
		
			| 22.08. |  | Ubero / Wijes - Gabue / Okuno | R16 |  |  |  | 
		
			| Gimcheon 2 ITF | Round | Result | H | A | 
		
			| 17.08. |  | Apple / Garla - Li J. / Okuno | SF | 6-2, 6-2 | 1.39 | 2.70 | 
		
			| 16.08. |  | Li J. / Okuno - Jeong / Kim C | QF | 7-5, 6-0 | 1.31 | 3.16 | 
		
			| 15.08. |  | Li J. / Okuno - Kim D / Yoo J | R16 | 64-7, 7-5, 10-8 | 1.40 | 2.66 | 
		
			| Fort Worth ITF | Round | Result | H | A | 
		
			| 04.08. |  | Hsu C / Zacar - Okuno / Tjand | F | 3-6, 7-66, 10-6 | 1.50 | 2.50 | 
		
			| 03.08. |  | Okuno / Tjand - Hanat / Omae | SF | 6-3, 67-7, 10-8 | 1.66 | 2.07 | 
		
			| 02.08. |  | Okuno / Tjand - Ander / Guill | QF | 2-6, 6-3, 10-3 | 1.70 | 1.99 | 
		
			| 31.07. |  | Okuno / Tjand - Gordo / Shin | R16 | 6-3, 6-2 | 1.24 | 3.66 | 
		
			| Jakarta ITF | Round | Result | H | A | 
		
			| 19.07. |  | Harto / Sutji - Li J. / Okuno | QF | 6-1, 6-0 | 1.65 | 2.08 | 
		
			| 17.07. |  | Li J. / Okuno - Mane / Seah | R16 | 6-2, 7-64 | 1.12 | 5.26 | 
		
			| Solo ITF | Round | Result | H | A | 
		
			| 13.07. |  | Kahfi / Okuno - Sabat / Sabri | F | 6-4, 6-0 | 1.28 | 3.36 | 
		
			| 12.07. |  | Kahfi / Okuno - Ayuka / Sutji | SF |  | 2.18 | 1.60 | 
		
			| 11.07. |  | Kahfi / Okuno - Damar / Nugro | QF | 4-6, 6-1, 10-5 | 1.21 | 3.86 | 
		
			| 09.07. |  | Kahfi / Okuno - Hsieh / Vig S | R16 | 6-2, 6-3 |  |  | 
		
			| Daegu ITF | Round | Result | H | A | 
		
			| 21.06. |  | Chang / Inoue - Okuno / Ozeki | QF | 7-5, 64-7, 10-5 | 2.63 | 1.42 | 
		
			| 20.06. |  | Okuno / Ozeki - Jeong / Park | R16 | 6-3, 6-2 | 1.24 | 3.65 | 
		
			| Gyeongsan ITF | Round | Result | H | A | 
		
			| 14.06. |  | Jung / Park - Ng K. / Okuno | QF | 7-65, 1-6, 10-6 | 1.82 | 1.83 | 
		
			| 13.06. |  | Ng K. / Okuno - Ogata / Takay | R16 | 6-1, 6-2 | 1.34 | 3.02 | 
		
			| Karuizawa ITF | Round | Result | H | A | 
		
			| 25.05. |  | Hoson / Moris - Okuno / Patte | SF | 6-4, 7-5 |  |  | 
		
			| 25.05. |  | Okuno / Patte - Hanat / Saigo | QF | 6-2, 6-4 | 1.27 | 3.41 | 
		
			| 24.05. |  | Okuno / Patte - Chian / Myers | R16 | 6-4, 2-6, 10-4 | 1.43 | 2.58 | 
		
			| Kurume ITF | Round | Result | H | A | 
		
			| 17.05. |  | Broad / Muham - Okuno / Patte | QF | 6-2, 6-2 | 1.34 | 2.98 | 
		
			| 15.05. |  | Okuno / Patte - Akita / Inoue | R16 | 6-1, 6-2 | 1.29 | 3.27 | 
		
			| Fukuoka ITF | Round | Result | H | A | 
		
			| 11.05. |  | Broad / Muham - Okuno / Patte | SF | 63-7, 6-2, 11-9 | 1.29 | 3.29 | 
		
			| 10.05. |  | Okuno / Patte - Fujiw / Lykin | QF | 4-6, 7-62, 12-10 | 2.44 | 1.49 | 
		
			| 08.05. |  | Okuno / Patte - Ozeki / Yoshi | R16 | 1-6, 6-4, 10-8 | 1.24 | 3.64 | 
		
			| Gifu ITF | Round | Result | H | A | 
		
			| 03.05. |  | Hozum / Ninom - Okuno / Patte | QF | 6-2, 6-2 | 1.21 | 3.88 | 
		
			| 02.05. |  | Okuno / Patte - Kaji / Yoshi | R16 | 6-4, 6-1 | 1.64 | 2.09 | 
		
			| Quanzhou ITF | Round | Result | H | A | 
		
			| 26.04. |  | Guo H / Wang - Okuno / Sema | SF | 6-2, 6-3 | 1.43 | 2.58 | 
		
			| 25.04. |  | Okuno / Sema - Raina / Shimi | QF | 5-7, 6-4, 10-8 | 1.91 | 1.76 | 
		
			| 24.04. |  | Okuno / Sema - Inoue / Kaji | R16 | 3-6, 7-66, 10-6 | 1.53 | 2.32 | 
		
			| Osaka ITF | Round | Result | H | A | 
		
			| 12.04. |  | Omae / Plipu - Gumul / Okuno | QF | 3-6, 6-3, 10-5 | 1.60 | 2.17 | 
		
			| 11.04. |  | Gumul / Okuno - Kaji / Kajit | R16 | 6-1, 1-6, 12-10 | 1.60 | 2.17 | 
		
			| Kashiwa ITF | Round | Result | H | A | 
		
			| 07.04. |  | Okamu / Okuno - Han N / Kajit | F | 6-2, 6-2 | 2.22 | 1.57 | 
		
			| 06.04. |  | Okamu / Okuno - Hayas / Kobor | SF | 2-6, 6-2, 10-7 | 2.23 | 1.56 | 
		
			| 05.04. |  | Okamu / Okuno - Silic / Thand | QF | 6-4, 62-7, 10-1 | 1.69 | 2.02 | 
		
			| 04.04. |  | Okamu / Okuno - Omae / Plipu | R16 | 6-2, 7-5 | 2.93 | 1.35 | 
		
			| Kofu ITF | Round | Result | H | A | 
		
			| 29.03. |  | Kajit / Nishi - Okamu / Okuno | QF | 6-3, 3-6, 10-7 | 2.70 | 1.39 | 
		
			| 28.03. |  | Okamu / Okuno - Kang / Minok | R16 | 6-2, 6-4 | 1.48 | 2.46 | 
		
			| Toyota 2 ITF | Round | Result | H | A | 
		
			| 15.03. |  | Namig / Sema - Okamu / Okuno | QF | 6-4, 64-7, 10-8 | 1.53 | 2.32 | 
		
			| 13.03. |  | Okamu / Okuno - Furuy / Sano | R16 | 6-0, 6-4 | 1.05 | 8.15 | 
		
			| Yokohama ITF | Round | Result | H | A | 
		
			| 08.03. |  | Kaji / Shimi - Okamu / Okuno | QF | 6-4, 6-1 | 1.99 | 1.70 | 
		
			| 06.03. |  | Okamu / Okuno - Nishi / Oshin | R16 | 6-2, 4-6, 16-14 | 1.33 | 3.25 | 
		
			| Surprise ITF | Round | Result | H | A | 
		
			| 14.02. |  | Krawc / Olmos - Okuno / Strak | R16 | 6-3, 6-4 | 1.27 | 3.39 | 
		
			| Hong Kong ITF | Round | Result | H | A | 
		
			| 01.01. |  | Ayuka / Yoshi - Ng K. / Okuno | R16 | 6-3, 6-1 | 1.47 | 2.49 |