1 of 9
Australia's Lleyton Hewitt takes the first set 6-3 against Russia's Igor Andreev as he aims to make it to the semi-finals

2 of 9
Andreev cannot repeat his shock win over Andre Agassi as Hewitt keeps his cool to take the match 6-3 7-5

3 of 9
Andy Roddick takes control against Paradorn Srichaphan, winning the first set 6-3 and breaking early in the second

4 of 9
Srichaphan can only stand by as Roddick fires down an unofficial world record ace at 153mph

5 of 9
Roddick produces some of his best tennis of the tournament to beat his Thai opponent 6-3 6-3

6 of 9
Radek Stepanek breaks Sebastien Grosjean in the first game but soon loses his lead as the Frenchman settles

7 of 9
Grosjean recovers to take the first set 6-3, threatening Stepanek's serve in nearly every game

8 of 9
Grosjean continues his impressive record at the Queen's club with a 6-3 6-3 win over Stepanek

9 of 9
Grosjean will meet South Korea's Hyung-Taik Lee who comfortably beat Slovakia's Karol Beck 6-3 6-4