| Honolulu | Round | Result | H | A | 
		
			| 21.11. |  | Pivov / Rodin - Jovic / Okuno | R16 | 6-1, 6-1 | 1.55 | 2.34 | 
		
			| Shenzhen 5 ITF | Round | Result | H | A | 
		
			| 09.11. |  | Aoyam / Yang - Okuno / Xun F | QF | 6-1, 6-1 | 1.15 | 4.40 | 
		
			| 07.11. |  | Okuno / Xun F - Steva / Zhao | R16 | 6-1, 6-2 | 2.22 | 1.56 | 
		
			| Liuzhou ITF | Round | Result | H | A | 
		
			| 25.10. |  | Kenne / Neel - Okuno / Zhang | R16 | 6-2, 6-2 | 2.38 | 1.50 | 
		
			| Hamamatsu ITF | Round | Result | H | A | 
		
			| 22.10. |  | Fujiw / Okamu - Lu J. / Okuno | F | 6-2, 6-4 | 1.89 | 1.78 | 
		
			| 20.10. |  | Lu J. / Okuno - Gumul / Tjand | SF | 6-2, 3-6, 13-11 | 1.36 | 2.90 | 
		
			| 19.10. |  | Lu J. / Okuno - Teram / Yoshi | QF | 6-1, 1-6, 10-3 | 1.03 | 8.88 | 
		
			| 18.10. |  | Lu J. / Okuno - Kuzne / Yamam | R16 | 6-3, 6-2 | 1.06 | 6.93 | 
		
			| Makinohara ITF | Round | Result | H | A | 
		
			| 10.10. |  | Haseg / Kajur - Neel / Okuno | R16 | 4-6, 6-3, 10-8 |  |  | 
		
			| Nanao ITF | Round | Result | H | A | 
		
			| 30.08. |  | Saigo / Zhang - Fujiw / Okuno | R16 | 4-6, 7-68, 10-4 | 3.79 | 1.21 | 
		
			| Tsukuba ITF | Round | Result | H | A | 
		
			| 22.08. |  | Araka / Nishi - Inoue / Okuno | R16 | 6-4, 1-6, 10-5 | 3.86 | 1.21 | 
		
			| Fort Worth ITF | Round | Result | H | A | 
		
			| 05.08. |  | Olmos / Perez - Imani / Okuno | F | 6-4, 6-3 | 1.58 | 2.18 | 
		
			| 04.08. |  | Imani / Okuno - Guara / Whori | SF | 6-4, 2-6, 10-7 | 2.45 | 1.47 | 
		
			| 03.08. |  | Imani / Okuno - Birre / Minok | QF | 4-6, 6-4, 10-6 |  |  | 
		
			| 01.08. |  | Imani / Okuno - Basho / Garri | R16 | 6-3, 7-5 |  |  | 
		
			| Hua Hin 12 ITF | Round | Result | H | A | 
		
			| 19.07. |  | Hong / Park - Okuno / Yoshi | QF | 6-4, 6-2 | 2.25 | 1.55 | 
		
			| 18.07. |  | Okuno / Yoshi - Sawas / Tumth | R16 | 6-3, 6-3 | 1.07 | 6.00 | 
		
			| Hua Hin 11 ITF | Round | Result | H | A | 
		
			| 10.07. |  | Baba / Sheng - Okuno / Yoshi | R16 | 1-6, 6-2, 10-5 | 3.19 | 1.30 | 
		
			| Kofu 2 ITF | Round | Result | H | A | 
		
			| 15.06. |  | Fujiw / Okamu - Okuno / Sema | QF |  |  |  | 
		
			| 13.06. |  | Okuno / Sema - Matsu / Nishi | R16 | 7-64, 4-6, 10-7 |  |  | 
		
			| Tokyo ITF | Round | Result | H | A | 
		
			| 08.06. |  | Kobor / Takah - Okuno / Sema | QF | 4-6, 6-1, 10-4 | 2.21 | 1.57 | 
		
			| 06.06. |  | Okuno / Sema - Lee P / Zhang | R16 | 6-3, 6-1 | 1.32 | 3.12 | 
		
			| Karuizawa ITF | Round | Result | H | A | 
		
			| 27.05. |  | Hoson / Moris - Okuno / Patte | F | 7-5, 6-3 |  |  | 
		
			| 27.05. |  | Okuno / Patte - Hanat / Saigo | SF | 6-3, 6-1 | 1.23 | 3.64 | 
		
			| 25.05. |  | Okuno / Patte - Sakat / Shimi | QF | 7-5, 6-4 | 1.09 | 5.76 | 
		
			| 24.05. |  | Okuno / Patte - Ozeki / Yoshi | R16 | 6-2, 7-5 | 1.30 | 3.15 | 
		
			| Kurume ITF | Round | Result | H | A | 
		
			| 20.05. |  | Dunne / Patte - Fujiw / Okuno | SF | 3-6, 6-2, 10-6 | 2.49 | 1.45 | 
		
			| 19.05. |  | Fujiw / Okuno - Araka / Nishi | QF | 6-3, 6-2 | 1.19 | 4.05 | 
		
			| 16.05. |  | Fujiw / Okuno - Minok / Shimi | R16 | 6-2, 6-4 | 1.16 | 4.32 | 
		
			| Fukuoka ITF | Round | Result | H | A | 
		
			| 10.05. |  | Imani / Tanak - Fujiw / Okuno | R16 | 7-65, 7-66 | 3.39 | 1.27 | 
		
			| Gifu ITF | Round | Result | H | A | 
		
			| 02.05. |  | Naito / Tjand - Okuno / Sema | R16 | 4-6, 6-2, 10-4 | 2.45 | 1.45 | 
		
			| Kashiwa ITF | Round | Result | H | A | 
		
			| 04.04. |  | Lertc / Okamu - Okuno / Sema | R16 | 7-66, 68-7, 10-5 | 2.58 | 1.43 | 
		
			| Kofu ITF | Round | Result | H | A | 
		
			| 31.03. |  | Han N / Kumkh - Okuno / Sema | SF | 3-6, 6-4, 10-8 | 2.07 | 1.65 | 
		
			| 30.03. |  | Okuno / Sema - Choi / Kim N | QF | 6-4, 6-4 | 1.57 | 2.20 | 
		
			| 29.03. |  | Okuno / Sema - Lertc / Saigo | R16 | 7-67, 6-2 |  |  | 
		
			| Nishi-Tama ITF | Round | Result | H | A | 
		
			| 24.03. |  | Akita / Sema - Inoue / Okuno | SF | 66-7, 6-4, 12-10 | 1.83 | 1.83 | 
		
			| 23.03. |  | Inoue / Okuno - Sekul / Talco | QF | 6-3, 7-62 | 1.56 | 2.23 | 
		
			| 22.03. |  | Inoue / Okuno - Shimi / Tachi | R16 | 6-1, 6-0 | 1.09 | 6.06 | 
		
			| Yokohama ITF | Round | Result | H | A | 
		
			| 11.03. |  | Okuno / Sema - Moris / Yoneh | F | 6-4, 6-4 | 1.16 | 4.33 | 
		
			| 10.03. |  | Okuno / Sema - Hsu C / Okamu | SF | 6-2, 6-1 | 1.56 | 2.23 | 
		
			| 09.03. |  | Okuno / Sema - Eshir / Nishi | QF | 2-6, 7-63, 10-5 | 1.07 | 6.85 | 
		
			| 07.03. |  | Okuno / Sema - Araka / Kaji | R16 | 6-2, 6-3 | 1.33 | 3.25 | 
		
			| Nanjing 3 ITF | Round | Result | H | A | 
		
			| 22.02. |  | Chen / Ye Q. - Ferra / Okuno | QF | 7-5, 6-3 | 2.43 | 1.49 | 
		
			| 20.02. |  | Ferra / Okuno - Kang / Zhang | R16 | 6-4, 4-6, 11-9 | 1.32 | 3.06 | 
		
			| Nanjing 2 ITF | Round | Result | H | A | 
		
			| 14.02. |  | Gabue / Poutc - Ferra / Okuno | R16 | 7-5, 1-6, 10-8 | 2.23 | 1.55 | 
		
			| Hong Kong ITF | Round | Result | H | A | 
		
			| 02.01. |  | Lykin / Saway - Doros / Okuno | R16 | 6-1, 4-6, 10-8 | 1.70 | 1.96 |