Denis Istomin defeated Jan Hajek 6-1 6-2 in the Sydney qualifying round of 16 on hard. The result followed the form book — Denis Istomin came in defending last year's round of 32.
Istomin D. took it in straight sets.
Istomin D. and Hajek J. faced 1 of the same opponent in the last 12 months. Istomin D. went 0–1 (0%) against them, Hajek J. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Denis Istomin beat Jan Hajek 6-1 6-2. Umpiry, "Denis Istomin vs Jan Hajek — Sydney Qualifying Round of 16", https://umpiry.com/match/2012-01-07/hajek-vs-istomin-sydney-q16?utm_source=cite (as of 7 January 2012).