Marco Chiudinelli defeated Frederik Nielsen 6-7 6-3 6-3 in the US Open qualifying round of 128 on hard. The result followed the form book — Marco Chiudinelli came in defending last year's round of 64.
Chiudinelli M. came through in three sets.
Chiudinelli M. and Nielsen F. faced 1 of the same opponent in the last 12 months. Chiudinelli M. went 0–1 (0%) against them, Nielsen F. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Marco Chiudinelli beat Frederik Nielsen 6-7(8) 6-3 6-3. Umpiry, "Marco Chiudinelli vs Frederik Nielsen — US Open Qualifying Round of 128", https://umpiry.com/match/2011-08-24/chiudinelli-vs-nielsen-us-open-q128?utm_source=cite (as of 24 August 2011).