| Furth challenger |
Round |
Result |
H |
A |
| 01.06. |
|
Arman / Patri - Kato / Linds |
R16 |
1-6, 6-4, 6-4 |
|
|
| French Open |
Round |
Result |
H |
A |
| 26.05. |
|
Andre / Davyd - Huss / Kato |
1R |
6-2, 7-5 |
|
|
| Prague challenger |
Round |
Result |
H |
A |
| 18.05. |
|
Dlouh / Savrd - Benfe / Kato |
R16 |
7-6, 6-2 |
|
|
| Zagreb challenger |
Round |
Result |
H |
A |
| 11.05. |
|
Schuk / Tursu - Benfe / Kato |
R16 |
6-2, 6-1 |
|
|
| Aix en Provence challenger |
Round |
Result |
H |
A |
| 29.04. |
|
Brown / Wasse - Kato / Shima |
SF |
6-7, 7-6, 6-2 |
|
|
| 28.04. |
|
Kato / Shima - Levin / Vacek |
QF |
6-1, 7-5 |
|
|
| 27.04. |
|
Kato / Shima - Cleme / Cleme |
R16 |
7-5, 6-4 |
|
|
| Napoli 4 challenger |
Round |
Result |
H |
A |
| 22.04. |
|
Schuk / Voltc - Kato / Mulle |
QF |
6-2, 0-6, 6-3 |
|
|
| 20.04. |
|
Kato / Mulle - Cobol / Pesco |
R16 |
6-4, 6-3 |
|
|
| Busan challenger |
Round |
Result |
H |
A |
| 30.03. |
|
Bastl / Manka - Kato / Shima |
R16 |
6-3, 3-6, 6-4 |
|
|
| Kyoto challenger |
Round |
Result |
H |
A |
| 04.03. |
|
Lu Y. / Marsh - Kato / Motom |
SF |
6-3, 2-6, 6-2 |
|
|
| 03.03. |
|
Kato / Motom - Chen / Sakai |
QF |
6-3, 6-3 |
|
|
| 02.03. |
|
Kato / Motom - Ratiw / Ratiw |
R16 |
6-3, 7-5 |
|
|
| Ho Chi Minh City challenger |
Round |
Result |
H |
A |
| 25.02. |
|
De Vo / Hemme - Econo / Kato |
QF |
7-67, 6-4 |
|
|
| 24.02. |
|
Econo / Kato - Jones / Lucza |
R16 |
2-6, 6-3, 6-4 |
|
|
| Cherbourg challenger |
Round |
Result |
H |
A |
| 13.02. |
|
Merti / Waske - Benfe / Kato |
F |
6-4, 7-6 |
|
|
| 12.02. |
|
Benfe / Kato - Zeng / Zhu B |
SF |
6-3, 3-6, 6-3 |
|
|
| 11.02. |
|
Benfe / Kato - Krale / Zib T |
QF |
6-3, 6-1 |
|
|
| 10.02. |
|
Benfe / Kato - Lugas / Saoud |
R16 |
6-1, 6-4 |
|
|
| Belgrade challenger |
Round |
Result |
H |
A |
| 06.02. |
|
Madja / Tipsa - Behr / Kato |
SF |
6-4, 6-7, 6-3 |
|
|
| 04.02. |
|
Behr / Kato - Loren / Seppi |
QF |
6-1, 6-2 |
|
|
| 02.02. |
|
Behr / Kato - Hadad / Zovko |
R16 |
6-4, 6-4 |
|
|