| Hong Kong 6 ITF |
Round |
Result |
H |
A |
| 09.12. |
|
Hsieh / Yang - Inoue / Koshi |
R16 |
3-6, 6-4, 10-8 |
2.00 |
1.72 |
| Toyota ITF |
Round |
Result |
H |
A |
| 19.11. |
|
Han N / Yoo M - Koshi / Onish |
R16 |
6-3, 6-2 |
1.33 |
3.25 |
| Makinohara ITF |
Round |
Result |
H |
A |
| 17.10. |
|
Hozum / Ninom - Koshi / Miyaz |
R16 |
6-1, 6-1 |
|
|
| Cairns ITF |
Round |
Result |
H |
A |
| 20.09. |
|
Holla / Peers - Kato / Koshi |
F |
7-62, 4-6, 10-7 |
|
|
| 18.09. |
|
Kato / Koshi - Calde / Hadzi |
SF |
62-7, 6-3, 10-3 |
|
|
| 17.09. |
|
Kato / Koshi - Holla / Moria |
QF |
4-6, 6-3, 10-5 |
|
|
| 16.09. |
|
Kato / Koshi - James / Miyak |
R16 |
7-63, 6-3 |
|
|
| Toowoomba ITF |
Round |
Result |
H |
A |
| 13.09. |
|
Dokei / Koshi - Ryan / Zloch |
F |
6-2, 5-7, 10-7 |
|
|
| 12.09. |
|
Dokei / Koshi - Holla / Moria |
SF |
7-5, 6-3 |
|
|
| 11.09. |
|
Dokei / Koshi - Keir / Perez |
QF |
7-64, 3-6, 10-7 |
|
|
| 10.09. |
|
Dokei / Koshi - Donal / Srbin |
R16 |
6-1, 6-0 |
|
|
| Bangkok 8 ITF |
Round |
Result |
H |
A |
| 08.07. |
|
Nunom / Wang - Koshi / Ninom |
R16 |
6-4, 6-1 |
|
|
| Bangkok 7 ITF |
Round |
Result |
H |
A |
| 03.07. |
|
Lu J. / Lu J. - Koshi / Ninom |
SF |
7-65, 6-4 |
|
|
| 02.07. |
|
Koshi / Ninom - Hisam / Wang |
QF |
6-1, 6-1 |
|
|
| 01.07. |
|
Koshi / Ninom - Sakch / Sirij |
R16 |
6-0, 6-2 |
|
|
| Tokyo ITF |
Round |
Result |
H |
A |
| 19.06. |
|
Iijim / Yonem - Ito K / Koshi |
QF |
6-0, 7-5 |
|
|
| 18.06. |
|
Ito K / Koshi - Akiya / Sukeg |
R16 |
6-4, 6-1 |
|
|
| Karuizawa ITF |
Round |
Result |
H |
A |
| 21.05. |
|
Hozum / Ninom - Koshi / Onish |
R16 |
6-3, 6-3 |
|
|
| Kurume ITF |
Round |
Result |
H |
A |
| 16.05. |
|
Hsu C / Sun S - Koshi / Miyaz |
QF |
6-4, 4-6, 10-7 |
|
|
| 14.05. |
|
Koshi / Miyaz - Hsieh / Onish |
R16 |
7-5, 6-4 |
|
|
| Sharm El Sheikh 11 ITF |
Round |
Result |
H |
A |
| 27.03. |
|
Schmi / Wesse - Juan / Koshi |
QF |
6-4, 6-1 |
|
|
| 26.03. |
|
Juan / Koshi - Honig / Pater |
R16 |
6-1, 6-4 |
|
|
| Sharm El Sheikh 10 ITF |
Round |
Result |
H |
A |
| 19.03. |
|
Maus / Sekul - Koshi / Noury |
R16 |
6-1, 7-5 |
|
|