| Nonthaburi 8 ITF | Round | Result | H | A | 
		
			| 04.12. |  | Guo M. - Kobayashi H. | 1R | 6-1, 6-3 | 1.23 | 3.62 | 
		
			| 03.12. |  | Kobayashi H. - Momkoonthod T. | Q-R16 | 7-5, 6-1 | 1.32 | 3.06 | 
		
			| 02.12. |  | Kobayashi H. - Uchiyama H. | Q-2R | 6-1, 6-0 | 1.01 | 10.75 | 
		
			| 01.12. |  | Kobayashi H. - Kawagishi N. | Q-1R | 5-7, 6-1, 10-6 | 1.47 | 2.52 | 
		
			| Nonthaburi 7 ITF | Round | Result | H | A | 
		
			| 27.11. |  | Ueda R. - Kobayashi H. | 1R | 6-3, 4-6, 7-65 | 1.65 | 2.08 | 
		
			| 26.11. |  | Kobayashi H. - Momkoonthod T. | Q-R16 | 6-4, 6-0 | 1.87 | 2.09 | 
		
			| 25.11. |  | Kobayashi H. - Zhang Y. | Q-2R | 6-0, 6-1 | 1.07 | 6.50 | 
		
			| 24.11. |  | Kobayashi H. - Chikaraishi Y. | Q-1R | 6-1, 6-4 | 4.33 | 1.20 | 
		
			| Hamamatsu ITF | Round | Result | H | A | 
		
			| 14.10. |  | Matsumoto A. - Kobayashi H. | Q-R16 | 7-66, 4-6, 10-5 |  |  | 
		
			| 14.10. |  | Kobayashi H. - Fujimoto M. | Q-1R | 6-0, 6-0 | 1.00 | 21.00 | 
		
			| Makinohara ITF | Round | Result | H | A | 
		
			| 09.10. |  | Hayashi E. - Kobayashi H. | 1R | 6-2, 6-4 | 1.12 | 5.08 | 
		
			| 08.10. |  | Kobayashi H. - Nakashima M. | Q-R16 | 6-2, 4-6, 11-9 | 1.48 | 2.39 | 
		
			| 07.10. |  | Kobayashi H. - Abe A. | Q-1R | 6-0, 6-4 |  |  | 
		
			| Anning 3 ITF | Round | Result | H | A | 
		
			| 24.09. |  | Bavisetti S. - Kobayashi H. | 1R | 6-0, 7-65 | 2.40 | 1.47 | 
		
			| Anning 2 ITF | Round | Result | H | A | 
		
			| 19.09. |  | Kulambayeva Z. - Kobayashi H. | R16 | 5-7, 7-61, 6-2 | 1.23 | 3.58 | 
		
			| 18.09. |  | Kobayashi H. - Zheng W. | 1R | 6-1, 6-4 | 1.02 | 8.87 | 
		
			| 16.09. |  | Kobayashi H. - Zhao C. | Q-R16 | 6-0, 1-6, 10-6 | 1.22 | 4.00 | 
		
			| 15.09. |  | Kobayashi H. - Wang S. | Q-2R | 6-4, 7-5 |  |  | 
		
			| Kyoto ITF | Round | Result | H | A | 
		
			| 02.09. |  | Kajitani R. - Kobayashi H. | Q-1R | 6-2, 6-4 |  |  | 
		
			| Nanao ITF | Round | Result | H | A | 
		
			| 29.08. |  | Shimizu A. - Kobayashi H. | 1R | 6-3, 6-1 | 1.13 | 4.94 | 
		
			| 26.08. |  | Kobayashi H. - Hosogi S. | Q-R16 | 6-3, 66-7, 10-8 | 1.87 | 1.80 | 
		
			| 25.08. |  | Kobayashi H. - Nishimura K. | Q-2R | 6-2, 4-6, 10-6 |  |  | 
		
			| Tsukuba ITF | Round | Result | H | A | 
		
			| 19.08. |  | Hosonuma C. - Kobayashi H. | Q-1R | 2-6, 6-3, 10-7 | 1.97 | 1.70 | 
		
			| Hua Hin 12 ITF | Round | Result | H | A | 
		
			| 09.07. |  | Kumhom L. - Kobayashi H. | Q-R16 | 6-2, 6-2 | 4.50 | 1.16 | 
		
			| 08.07. |  | Kobayashi H. - Kanaphuet T. | Q-1R | 6-0, 6-0 | 1.01 | 15.00 | 
		
			| Hua Hin 11 ITF | Round | Result | H | A | 
		
			| 03.07. |  | Kim D. - Kobayashi H. | 1R | 6-3, 6-4 | 1.51 | 2.34 | 
		
			| 02.07. |  | Kobayashi H. - Liu M. | Q-R16 | 6-3, 6-0 | 1.06 | 7.33 | 
		
			| 01.07. |  | Kobayashi H. - Pang S. | Q-1R | 6-0, 6-0 | 1.01 | 10.53 | 
		
			| Gimcheon 3 ITF | Round | Result | H | A | 
		
			| 19.06. |  | Koshiishi A. - Kobayashi H. | 1R | 4-6, 6-4, 6-4 | 1.61 | 2.12 | 
		
			| 18.06. |  | Kobayashi H. - Takayama C. | Q-R16 | 6-1, 6-1 | 1.11 | 5.38 | 
		
			| 17.06. |  | Kobayashi H. - Jung S. | Q-1R | 2-6, 7-5, 11-9 |  |  | 
		
			| Gimcheon 2 ITF | Round | Result | H | A | 
		
			| 11.06. |  | Back D. - Kobayashi H. | Q-R16 | 4-6, 6-0, 10-4 | 1.76 | 1.91 | 
		
			| 10.06. |  | Kobayashi H. - Kim S. | Q-1R | 6-3, 6-1 |  |  | 
		
			| Antalya 17 ITF | Round | Result | H | A | 
		
			| 07.05. |  | Khodan D. - Kobayashi H. | Q-R16 | 6-4, 7-5 |  |  | 
		
			| Antalya 16 ITF | Round | Result | H | A | 
		
			| 04.05. |  | De Vroome I. - Kobayashi H. | SF | 6-3, 2-6, 6-2 | 1.38 | 2.74 | 
		
			| 03.05. |  | Kobayashi H. - Nazarkina D. | QF | 6-3, 6-0 | 1.85 | 1.82 | 
		
			| 02.05. |  | Kobayashi H. - Schultheiss C. | R16 | 6-4, 6-4 | 1.79 | 1.86 | 
		
			| 01.05. |  | Kobayashi H. - Liauw A Fong N. | 1R | 2-6, 7-5, 6-1 | 1.99 | 1.69 | 
		
			| 30.04. |  | Kobayashi H. - Gogol V. | Q-R16 | 6-4, 7-5 |  |  | 
		
			| Antalya 15 ITF | Round | Result | H | A | 
		
			| 25.04. |  | Kawagishi N. - Kobayashi H. | R16 | 6-2, 6-4 | 4.38 | 1.16 | 
		
			| 24.04. |  | Kobayashi H. - Petrova A. | 1R | 6-3, 6-2 | 1.29 | 3.25 | 
		
			| 23.04. |  | Kobayashi H. - Graovac A. | Q-R16 | 6-1, 6-0 |  |  | 
		
			| Nishi-Tama ITF | Round | Result | H | A | 
		
			| 12.03. |  | Harrison C. - Kobayashi H. | Q-R16 | 6-4, 1-6, 10-7 | 1.22 | 3.72 | 
		
			| 11.03. |  | Kobayashi H. - Uchijima M. | Q-1R | 7-65, 6-2 | 3.09 | 1.31 | 
		
			| Yokohama 2 ITF | Round | Result | H | A | 
		
			| 04.03. |  | Myers A. - Kobayashi H. | Q-1R | 6-0, 6-4 |  |  | 
		
			| Osaka ITF | Round | Result | H | A | 
		
			| 25.02. |  | Eikeri U. - Kobayashi H. | Q-1R | 6-4, 3-6, 10-7 | 1.21 | 4.00 | 
		
			| Antalya 2 ITF | Round | Result | H | A | 
		
			| 25.01. |  | Kobayashi H. - Dema V. | 1R | 6-2, 6-4 | 8.14 | 1.05 | 
		
			| 24.01. |  | Kobayashi H. - Kong Q. | Q-R16 | 6-3, 6-2 | 1.19 | 4.17 | 
		
			| 22.01. |  | Kobayashi H. - Marmorstein J. | Q-1R | 6-0, 6-0 |  |  | 
		
			| Antalya ITF | Round | Result | H | A | 
		
			| 17.01. |  | Ekshibarova V. - Kobayashi H. | R16 | 6-2, 6-3 |  |  | 
		
			| 16.01. |  | Kobayashi H. - Carbonaro G. | 1R | 7-5, 6-2 | 1.40 | 2.75 | 
		
			| 14.01. |  | Kobayashi H. - Erman Z. | Q-R16 | 6-1, 6-0 |  |  |