Querrey defeated Russian Igor Andreev 6-3 2-6 6-4 to reach his fourth semifinal this season.

CNN: STORY HIGHLIGHTS

He was last beaten on his favourite surface by Igor Andreev in Valencia in 2005.

BBC: SPORT | Tennis | Seeded trio falter in Monte Carlo

Mario Ancic and Ivan Ljubicic beat Dmitry Tursunov and Igor Andreev 6-2 4-6 7-6 3-6 6-4 to give Croatia a 2-1 lead against Russia.

BBC: SPORT | Tennis | Underdogs seize Davis Cup leads

Henman, who now faces Russian Igor Andreev in the last 16, admitted afterwards it was difficult coming up against his compatriot on a fast surface.

BBC: SPORT | Tennis | Henman overcomes rival Rusedski

The German 24th seed earned a clash against Igor Andreev, with the Russian 24th seed beating unseeded Italian Andreas Seppi 6-1 7-6 (7-5) 4-6 7-6 (8-6).

CNN: Merciless Murray maintains Wimbledon hopes

Sixth seed Roddick, last weekend's losing finalist, gave home fans some cheer as he crushed Russia's Igor Andreev 6-4 6-4 to set up a clash with Ukraine's Sergiy Stakhovsky.

CNN: Djokovic dumped out in Miami; Clijsters and Henin progress

And on a good day for Russia, Igor Andreev beat Gael Monfils 7-5 6-4 and Dmitry Tursunov reached the third round after Nicolas Almagro retired when trailing 6-3 5-4.

BBC: Safin won the Paris Masters title in 2000, 2002 and 2004

That leaves their fate in the hands of world number six Nikolay Davydenko, 20th-ranked Igor Andreev, Dmitry Tursunov (26) and Igor Kunitsyn, who is ranked 76 in the world.

BBC: Safin pulls out of Davis Cup tie

Fourth seed David Ferrer defeated Italian Potito Starace 4-6, 7-5, 6-2 in what he called "a very physical match" and 2004 champion Tommy Robredo overhauled Russian Igor Andreev 4-6, 6-2, 6-3.

BBC: Nadal handed bye into semi-finals