Coria will play Rafael Nadal in the final of the Rome Masters.
The Russian had his endurance tested to the limit by the German before coming through the first round of the Australian Open.
Top seeded Roddick beat Austria's Jurgen Melzer while Grosjean scored over Nicolas Lapentti in the semi-finals of the U.S. Men's clay court championships.
Top seed Andy Roddick blasted his way into the last four with a 6-4, 6-1 victory over Peru's Luis Horna.
Defending champion Tommy Hass also moved into the second round at the US Clay Court Championships.
Andre Agassi says his toe injury will not stop him from playing in the Nasdaq-100 Open, a tournament he has won a record six times.
The 26-year-old has already done enough to replace Tommy Haas as the\n\nGerman No. 1 when the latest world rankings are released on Monday.
Defending champion Thomas Johansson of Sweden is injured and won't be defending his title at the Australian Open.
Roger Federer claimed a 6-3 6-1 victory over a shell-shocked Andre Agassi on Saturday to reach the final of the Dubai Open.
Croatia's Ivan Ljubicic upset third seed Tim Henman rain disrupted match to reach the semi-finals of the Dubai Open
Rediff.com takes a look at players who tested positive for use of banned substances over the years.
Andre Agassi retained his majestic touch to crush German Rainer Schuettler 6-3, 6-1, 6-0 in Melbourne.
The Russian is one of those fancied to wrest the title from world number one Roger Federer this time.
The Wimbledon champion split with his coach Peter Lundgren after the most successful year of his career.
Roddick ended the season ranked No. 1 but Wimbledon champion Federer is being hailed as the best player in men's tennis.