| Nonthaburi 8 ITF | Round | Result | H | A | 
		
			| 05.12. |  | Kawam / Kozak - Okuno / Ubero | QF |  | 1.49 | 2.41 | 
		
			| 04.12. |  | Okuno / Ubero - Janda / Wongt | R16 | 6-1, 6-3 | 2.52 | 1.44 | 
		
			| Nonthaburi 7 ITF | Round | Result | H | A | 
		
			| 28.11. |  | Momko / Sawas - Okuno / Ubero | QF | 6-4, 6-4 | 1.30 | 3.16 | 
		
			| 27.11. |  | Okuno / Ubero - Cho I / Cho Y | R16 | 60-7, 7-61, 10-7 | 4.99 | 1.13 | 
		
			| Hua Hin 7 ITF | Round | Result | H | A | 
		
			| 14.11. |  | Patti / Tanas - Okuno / Xun F | QF | 6-1, 6-3 | 1.49 | 2.40 | 
		
			| 12.11. |  | Okuno / Xun F - Janda / Piwba | R16 | 6-2, 6-1 | 1.05 | 7.69 | 
		
			| Hua Hin 6 ITF | Round | Result | H | A | 
		
			| 08.11. |  | Craci / Guerr - Chong / Okuno | SF | 7-63, 5-7, 10-4 | 1.82 | 1.83 | 
		
			| 07.11. |  | Chong / Okuno - Momko / Sawas | QF | 6-2, 6-1 | 1.43 | 2.59 | 
		
			| 05.11. |  | Chong / Okuno - Ng K. / Zheng | R16 | 3-6, 6-3, 10-7 | 1.49 | 2.44 | 
		
			| Hamamatsu ITF | Round | Result | H | A | 
		
			| 15.10. |  | Kozak / Matsu - Hanat / Okuno | R16 | 62-7, 6-4, 10-7 | 2.24 | 1.56 | 
		
			| Makinohara ITF | Round | Result | H | A | 
		
			| 11.10. |  | Hayas / Kobor - Okuno / Ozeki | SF | 6-1, 7-65 | 1.42 | 2.59 | 
		
			| 10.10. |  | Okuno / Ozeki - Hosok / Kozak | QF | 6-3, 4-6, 10-6 | 1.25 | 3.48 | 
		
			| 09.10. |  | Okuno / Ozeki - Koike / Sakur | R16 | 6-1, 6-0 | 1.01 | 13.83 | 
		
			| Jinan ITF | Round | Result | H | A | 
		
			| 27.08. |  | Guo H / Kang - Okuno / Uchij | R16 | 6-4, 3-6, 10-7 | 1.33 | 3.09 | 
		
			| Guiyang ITF | Round | Result | H | A | 
		
			| 21.08. |  | Jiang / Tang - Hatou / Okuno | R16 | 63-7, 6-3, 10-6 | 1.41 | 2.62 | 
		
			| Fort Worth ITF | Round | Result | H | A | 
		
			| 01.08. |  | Bolto / Hart - Guill / Okuno | R16 | 6-1, 6-2 | 1.83 | 1.82 | 
		
			| Ashland ITF | Round | Result | H | A | 
		
			| 25.07. |  | Maran / Whori - Liang / Okuno | QF | 7-64, 6-4 | 1.83 | 1.82 | 
		
			| 24.07. |  | Liang / Okuno - Chen / Wu F. | R16 | 7-65, 3-6, 11-9 | 3.80 | 1.22 | 
		
			| Hua Hin 12 ITF | Round | Result | H | A | 
		
			| 12.07. |  | Cheap / Ni Ma - Broul / Okuno | SF | 6-3, 64-7, 10-7 | 3.31 | 1.29 | 
		
			| 11.07. |  | Broul / Okuno - Mu S. / Sawas | QF | 5-7, 6-4, 10-3 | 1.19 | 4.18 | 
		
			| 10.07. |  | Broul / Okuno - Jang / Jitta | R16 | 6-1, 6-1 | 1.24 | 3.62 | 
		
			| Hua Hin 11 ITF | Round | Result | H | A | 
		
			| 06.07. |  | Kajit / Yoshi - Broul / Okuno | F | 6-2, 5-7, 10-6 | 2.15 | 1.61 | 
		
			| 05.07. |  | Broul / Okuno - Buaya / Cheap | SF | 6-3, 7-64 |  |  | 
		
			| 05.07. |  | Broul / Okuno - Jitta / Manat | QF | 6-1, 6-2 | 1.02 | 9.70 | 
		
			| 04.07. |  | Broul / Okuno - Parna / Smith | R16 | 6-2, 3-6, 10-1 | 2.07 | 1.65 | 
		
			| Gimcheon 3 ITF | Round | Result | H | A | 
		
			| 22.06. |  | Moris / Okuno - Jung / Lee S | F | 65-7, 6-0, 10-2 | 1.49 | 2.44 | 
		
			| 21.06. |  | Moris / Okuno - Jeong / Kim S | SF | 6-0, 7-61 | 1.29 | 3.28 | 
		
			| 20.06. |  | Moris / Okuno - Koike / Oshin | QF | 6-3, 6-3 | 1.12 | 5.27 | 
		
			| 19.06. |  | Moris / Okuno - Back / Wi H. | R16 | 6-2, 6-1 |  |  | 
		
			| Gimcheon 2 ITF | Round | Result | H | A | 
		
			| 15.06. |  | Koshi / Mishi - Moris / Okuno | F | 6-3, 6-2 | 2.50 | 1.50 | 
		
			| 14.06. |  | Moris / Okuno - Jung / Kang | SF | 6-2, 6-3 | 1.16 | 4.30 | 
		
			| 13.06. |  | Moris / Okuno - Ahn Y / Jeong | QF | 7-5, 6-3 | 1.17 | 4.31 | 
		
			| 12.06. |  | Moris / Okuno - Lim E / Yoon | R16 | 6-3, 6-4 | 1.05 | 8.50 | 
		
			| Daegu ITF | Round | Result | H | A | 
		
			| 06.06. |  | Hsieh / Lee P - Kim D / Okuno | QF | 6-3, 6-1 | 1.64 | 2.06 | 
		
			| 05.06. |  | Kim D / Okuno - Dema / Mdlul | R16 | 6-4, 6-3 |  |  | 
		
			| Incheon ITF | Round | Result | H | A | 
		
			| 30.05. |  | Choi / Han N - Okuno / Simmo | QF | 6-4, 2-6, 10-6 | 1.32 | 3.13 | 
		
			| 28.05. |  | Okuno / Simmo - Hong / Jeong | R16 | 6-4, 6-2 | 1.35 | 2.87 | 
		
			| Karuizawa ITF | Round | Result | H | A | 
		
			| 25.05. |  | Broad / Okuno - Hayas / Kobor | F | 6-3, 2-6, 10-7 | 1.89 | 1.79 | 
		
			| 24.05. |  | Broad / Okuno - Moris / Yoneh | SF | 4-6, 6-4, 10-6 | 2.22 | 1.56 | 
		
			| 23.05. |  | Broad / Okuno - Honta / Miyam | QF | 65-7, 6-2, 10-7 | 1.34 | 2.90 | 
		
			| 22.05. |  | Broad / Okuno - Hanat / Yamag | R16 | 4-6, 6-4, 10-7 | 1.28 | 3.36 | 
		
			| Kurume ITF | Round | Result | H | A | 
		
			| 14.05. |  | Bekta / Moore - Broad / Okuno | R16 | 6-3, 3-6, 10-6 | 1.60 | 2.17 | 
		
			| Gifu ITF | Round | Result | H | A | 
		
			| 02.05. |  | Choi / Han N - Okuno / Zhu L | QF | 6-1, 6-3 | 1.55 | 2.19 | 
		
			| 01.05. |  | Okuno / Zhu L - Kuwat / Raina | R16 | 6-2, 6-2 |  |  | 
		
			| Osaka 2 ITF | Round | Result | H | A | 
		
			| 12.04. |  | Hsu C / Wang - Marin / Okuno | SF | 6-3, 4-6, 10-7 | 1.66 | 2.10 | 
		
			| 11.04. |  | Marin / Okuno - Okamu / Sema | QF | 6-4, 5-7, 10-3 |  |  | 
		
			| 11.04. |  | Marin / Okuno - Ozeki / Ueda | R16 | 6-4, 6-1 | 1.30 | 3.14 | 
		
			| Kashiwa ITF | Round | Result | H | A | 
		
			| 04.04. |  | Moris / Yoneh - Marin / Okuno | QF | 6-3, 63-7, 10-7 | 1.54 | 2.26 | 
		
			| 03.04. |  | Marin / Okuno - Akita / Hsu C | R16 | 2-6, 6-3, 11-9 | 1.64 | 2.09 | 
		
			| Kofu 3 ITF | Round | Result | H | A | 
		
			| 26.03. |  | Jang / Lee Y - Liang / Okuno | R16 | 6-3, 6-1 | 2.07 | 1.65 | 
		
			| Nishi-Tama ITF | Round | Result | H | A | 
		
			| 14.03. |  | Araka / Yoneh - Moris / Okuno | QF | 4-6, 6-2, 10-8 | 2.58 | 1.43 | 
		
			| 13.03. |  | Moris / Okuno - Andri / Tere | R16 | 7-66, 63-7, 12-10 | 2.33 | 1.52 | 
		
			| Yokohama 2 ITF | Round | Result | H | A | 
		
			| 08.03. |  | Bhosa / Omae - Liang / Okuno | SF | 6-4, 5-7, 11-9 | 1.43 | 2.58 | 
		
			| 07.03. |  | Liang / Okuno - Hayas / Shimi | QF | 6-2, 5-7, 10-6 | 2.17 | 1.60 | 
		
			| 06.03. |  | Liang / Okuno - Morgi / Radan | R16 | 6-2, 6-1 |  |  | 
		
			| Osaka ITF | Round | Result | H | A | 
		
			| 26.02. |  | Ushij / Yoneh - Lu J. / Okuno | R16 | 6-4, 1-6, 13-11 | 3.00 | 1.36 | 
		
			| Hong Kong 2 ITF | Round | Result | H | A | 
		
			| 09.01. |  | Kobor / Nishi - Okuno / Rodri | R16 | 6-4, 6-4 | 1.65 | 2.07 | 
		
			| Hong Kong ITF | Round | Result | H | A | 
		
			| 03.01. |  | Danil / Liang - Lu J. / Okuno | QF | 6-1, 3-6, 10-8 | 2.08 | 1.65 | 
		
			| 01.01. |  | Lu J. / Okuno - Ng M. / Zhang | R16 | 67-7, 6-3, 10-7 | 1.29 | 3.28 |