| Start | Match | Round | Result | H | A |
|---|
| 21.12. | Sato - Sakamoto | | 6-4, 4-6, 6-3 | 2.45 | 1.45 | | 19.12. | Sakamoto - Kos | | 6-1, 7-5 | 1.14 | 4.60 | | 18.12. | Mochizuki - Sakamoto | | 6-2, 6-2 | 1.82 | 1.82 | | 17.12. | Sakamoto - Yoshimura | | 4-6, 6-3, 7-63 | 1.76 | 1.88 | | 15.12. | Elamin - Sakamoto | | 5-7, 6-3, 6-3 | 1.22 | 3.63 | | 05.07. | Sakamoto - Yin | | 2-6, 7-5, 6-1 | 1.78 | 1.85 | | 04.07. | Sakamoto - Mehrotra | | 6-3, 6-0 | 1.85 | 1.75 | | 03.07. | Fairclough - Sakamoto | | 7-63, 6-3 | 2.65 | 1.37 | | 01.07. | Sakamoto - Estephan | | 6-4, 6-4 | 1.18 | 4.00 | | 21.06. | Matsumura - Sakamoto | | 6-4, 7-62 | 1.36 | 2.73 | | 20.06. | Sakamoto - Okude | | 6-1, 6-2 | 1.20 | 3.80 | | 19.06. | Sakamoto - Ono | | 6-3, 6-4 | 1.36 | 2.73 | | 17.06. | Sakamoto - Nakanishi | | 1-6, 6-3, 6-4 | 1.82 | 1.82 | | 16.06. | Sakamoto - Connaughton | | 6-3, 6-4 | 1.22 | 3.50 | | 14.06. | Ho - Sakamoto | | 6-1, 2-6, 7-65 | 1.63 | 2.05 | | 12.06. | Sakamoto - Becroft | | 6-2, 6-2 | 5.13 | 1.10 | | 11.06. | Sakamoto - Lai | | 6-3, 6-2 | 1.15 | 4.20 |
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