Daisuke Sumizawa

Guangzhou • ATP CH 100 Q1 Ogura K 10 76³ 76⁷ 13 September Bangalore • ATP CH 50 Q1 Papa C 61 62 17 May Nouméa • ATP CH 75 Q1 Watt J 5 63 64 4 January Sydney • ATP CH 75 Q1 Yamanaka T 12 63 60 16 November Darmstadt • ATP CH 75 Q1 Kumasaka T 1 64 46 61 9 November Taipei • ATP CH 100 Q1 Yuzuki T Alt 64 63 2 November Takasaki • M 25 R2 Kumasaka T 6 36 75 76¹ 18 September R1 Brumm J 76⁵ 62 17 September Sapporo • M 25 R2 Broom C 4 62 62 4 September R1 Kusuhara Y 61 64 2 September