John Isner advances in Rome
The 6-foot-9 American looked headed for an early exit before Kohlschreiber lost control when he was serving for the match at 5-4 in the second. Isner then broke again in the opening game of the third and cruised from there.
After the 16th-ranked Verdasco won the first set 6-0, Dolgopolov called for the trainer then clutched his stomach as he went over to shake Verdasco's hand and concede.
Need the scores from any match played in today's tournaments? Results
On a clear but windy day at the Foro Italico, twelfth-seeded Nicolas Almagro defeated Marin Cilic of Croatia 6-2, 3-6, 6-0, 13th-seeded Gael Monfils beat Alex Bogomolov Jr. of Russia 6-4, 6-1, and Australian teenager Bernard Tomic rallied past Colombian qualifier Santiago Giraldo 4-6, 6-2, 6-4 to set up a meeting with top-ranked Novak Djokovic on Tuesday night.
Copyright 2012 by The Associated Press